Fundamentals of Computer Systems - MCQs Quiz (BCA 1st Sem)

1. What is the main focus of computer architecture?

A) Physical layout of hardware components
B) Fundamental properties and connectivity of hardware components
C) Design of software applications
D) User interface design

2. What does computer organization primarily deal with?

A) Software design
B) Achieving specific performance and function goals
C) Arrangement and design of hardware components
D) Data storage formats

3. Which of the following factors does NOT typically influence computer organization?

A) Cost
B) Physical dimensions
C) Technology employed
D) User preferences

4. What is the primary role of the CPU in a computer system?

A) Managing external devices
B) Processing data and managing system components
C) Storing data permanently
D) Displaying information on the screen

5. Which of the following is NOT a phase of the CPU cycle?

A) Fetching
B) Decoding
C) Transmitting
D) Executing

6. What does the Control Unit (CU) of the CPU do?

A) Performs arithmetic operations
B) Carries out logical operations
C) Regulates data flow and manages execution order
D) Stores data

7. What kind of operations does the Arithmetic Unit (AU) perform?

A) Logical operations
B) Memory management
C) Arithmetic operations like addition and subtraction
D) Data transmission

8. Which operations are typically handled by the Logic Unit (LU)?

A) Data storage
B) Input/output operations
C) Logical operations like comparison and shifting
D) Network communication

9. What is the purpose of a register in a CPU?

A) Permanent data storage
B) Temporary data storage for processing
C) Controlling data flow
D) Network routing

10. What does the fetch phase in the CPU cycle involve?

A) Executing instructions
B) Retrieving an instruction from memory
C) Decoding instructions
D) Storing results

11. What does the decode phase in the CPU cycle involve?

A) Fetching instructions
B) Interpreting the instruction and preparing for execution
C) Executing instructions
D) Storing data

12. What happens during the execute phase of the CPU cycle?

A) Decoding instructions
B) Carrying out the instruction's operations
C) Fetching instructions
D) Storing data

13. What is an interrupt in a CPU?

A) A break in the power supply
B) A signal that temporarily halts CPU operations to address an urgent task
C) A type of data storage
D) A method of data retrieval

14. What is the main function of a bus in a computer system?

A) Perform arithmetic operations
B) Execute instructions
C) Store data
D) Transfer data between different components

15. Which type of bus is used to connect the CPU to memory?

A) Address bus
B) Data bus
C) Control bus
D) Expansion bus

16. What is the purpose of the data bus?

A) Carrying instructions from the CPU to other components
B) Transferring actual data between the CPU and memory or other devices
C) Managing power supply to the CPU
D) Controlling the speed of the CPU

17. Which bus coordinates the timing and control signals in a computer system?

A) Data bus
B) Address bus
C) Control bus
D) Expansion bus

18. What is the function of the expansion bus in a computer?

A) Connects external peripherals to the CPU
B) Stores instructions
C) Allows for additional hardware to be added to the computer
D) Manages memory allocation

19. What is the purpose of the instruction register (IR) in the CPU?

A) Holds the instruction currently being executed
B) Stores data temporarily
C) Manages power distribution
D) Controls external devices

20. Which register in the CPU is used to store the address of the next instruction to be executed?

A) Data register
B) Program counter (PC)
C) Memory address register (MAR)
D) Stack pointer

21. Which generation of computers introduced the concept of artificial intelligence and "knowledge processors"?

A) First Generation
B) Second Generation
C) Third Generation
D) Fifth Generation

Correct Answer: D) Fifth Generation

22. What key feature distinguishes fourth-generation computers from their predecessors?

A) Use of vacuum tubes
B) Integration of transistors
C) Implementation of microprocessors
D) Use of magnetic core memory

Correct Answer: C) Implementation of microprocessors

23. What does the term "Very Large Integrated Circuits (VLICs)" refer to in the context of fourth-generation computers?

A) Circuits with multiple transistors and resistors integrated on a single chip
B) Large-sized vacuum tubes
C) Basic integrated circuits with minimal components
D) Advanced networking technologies

Correct Answer: A) Circuits with multiple transistors and resistors integrated on a single chip

24. Which memory type is described as being “burned” onto the chip and cannot be altered once created?

A) RAM
B) ROM
C) PROM
D) Magnetic Drum Memory

Correct Answer: B) ROM

25. During which generation did computers become significantly smaller and more portable due to advancements in miniaturization?

A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation

Correct Answer: C) Third Generation

26. What was a major programming advancement during the second generation of computers?

A) Development of high-level programming languages like BASIC
B) Introduction of assembly language programming
C) Use of integrated circuits
D) Utilization of Very Large Integrated Circuits (VLICs)

Correct Answer: B) Introduction of assembly language programming

27. Which type of memory in fourth-generation computers allows data to be programmed and modified by the user?

A) ROM
B) RAM
C) PROM
D) Magnetic Drum Memory

Correct Answer: C) PROM

28. What was the primary role of high-level programming languages like FORTRAN and COBOL during the second generation?

A) To improve the efficiency of magnetic core memory
B) To provide easier programming options compared to machine code
C) To enhance the use of punch cards
D) To develop integrated circuits

Correct Answer: B) To provide easier programming options compared to machine code

29. Which generation of computers saw the development of early networking technologies such as ARPANET?

A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation

Correct Answer: C) Third Generation

30. What is a key characteristic of fifth-generation computers in terms of their processing capabilities?

A) They use only vacuum tubes for circuitry.
B) They are designed to process billions of instructions per second.
C) They are large, room-sized machines.
D) They rely solely on punch cards for data input.

Correct Answer: B) They are designed to process billions of instructions per second.

31. What is a primary characteristic of analog computers?

A) They use discrete signals to represent data.
B) They operate with continuous electrical signals.
C) They store data in binary form.
D) They are designed for precise and accurate computations.

Correct Answer: B) They operate with continuous electrical signals.

32. Which type of computer is designed to handle both analog and digital data?

A) Digital Computer
B) Analog Computer
C) Hybrid Computer
D) Mainframe Computer

Correct Answer: C) Hybrid Computer

33. What is the main advantage of digital computers over analog computers?

A) Faster computation of analog data
B) Better accuracy and reliability in processing data
C) Ability to handle continuous signals directly
D) More suitable for solving differential equations

Correct Answer: B) Better accuracy and reliability in processing data

34. What is one of the key features of an Operational Amplifier (Op-Amp) used in analog computers?

A) High output resistance
B) Infinite voltage gain
C) Limited input resistance
D) Low-speed processing

Correct Answer: B) Infinite voltage gain

35. What distinguishes a special purpose computer from a general-purpose computer?

A) It is designed for specific tasks only.
B) It is versatile and can perform multiple tasks.
C) It is typically used for data storage.
D) It is designed to be more expensive.

Correct Answer: A) It is designed for specific tasks only.

36. What is a typical use case for a general-purpose computer?

A) Performing specific scientific simulations
B) Processing large financial transactions
C) Running various software applications for diverse tasks
D) Measuring heartbeat in medical applications

Correct Answer: C) Running various software applications for diverse tasks

37. Which type of computer is designed for use by individuals and is built around a microprocessor?

A) Mainframe Computer
B) Microcomputer
C) Supercomputer
D) Mini Computer

Correct Answer: B) Microcomputer

38. What is a characteristic of mini computers compared to microcomputers?

A) More powerful than mainframes
B) Less powerful than microcomputers
C) Capable of supporting multiple users simultaneously
D) Designed for personal use only

Correct Answer: C) Capable of supporting multiple users simultaneously

39. What feature makes mainframe computers suitable for large-scale applications and enterprise environments?

A) Small physical size and portability
B) Ability to handle millions of records in a day
C) High speed of personal data processing
D) Use of multiple microprocessors for single-task execution

Correct Answer: B) Ability to handle millions of records in a day

40. In what application are supercomputers most commonly used?

A) Simple office tasks
B) Home entertainment systems
C) Complex scientific calculations and simulations
D) Basic data entry tasks

Correct Answer: C) Complex scientific calculations and simulations

41. Which of the following is NOT a typical feature of supercomputers?

A) High processing speed
B) Use of pipelining and parallelism
C) High cost and large physical size
D) Limited to performing a small number of tasks at a time

Correct Answer: D) Limited to performing a small number of tasks at a time

42. What is the primary purpose of a hybrid computer?

A) To exclusively use digital data for processing
B) To integrate both analog and digital processing features
C) To handle large-scale commercial transactions
D) To perform basic arithmetic operations only

Correct Answer: B) To integrate both analog and digital processing features

43. How are computers used in the field of education?

A) For conducting physical fitness assessments
B) For creating lecture notes, presentations, and administering online tests
C) For cooking and food preparation
D) For managing and maintaining physical libraries

Correct Answer: B) For creating lecture notes, presentations, and administering online tests

44. In what way do computers impact the entertainment industry?

A) By improving physical fitness
B) By enabling users to download movies, play games, and create music
C) By managing office supplies
D) By designing and manufacturing sports equipment

Correct Answer: B) By enabling users to download movies, play games, and create music

45. What role do computers play in sports?

A) They help in cooking and food preparation for athletes.
B) They are used to watch games, view scores, and train players.
C) They are primarily used for weather forecasting.
D) They assist in designing sports uniforms.

Correct Answer: B) They are used to watch games, view scores, and train players.

46. How do computers contribute to advertising?

A) By managing physical store inventories
B) By displaying advertisements on websites and facilitating email campaigns
C) By designing and manufacturing advertising billboards
D) By conducting market research personally

Correct Answer: B) By displaying advertisements on websites and facilitating email campaigns

47. In what way are computers utilized in medicine?

A) By manually keeping track of medical records
B) By storing patients' medical histories and assisting in surgeries
C) By manufacturing medical equipment
D) By providing physical therapy

Correct Answer: B) By storing patients' medical histories and assisting in surgeries

48. What is a primary use of computers in science and engineering?

A) Designing kitchen appliances
B) Performing complex scientific computations and simulations
C) Managing human resources
D) Conducting physical fitness assessments

Correct Answer: B) Performing complex scientific computations and simulations

49. How do computers assist governments in their operations?

A) By organizing physical meetings
B) By providing e-governance services and managing departmental websites
C) By conducting physical security checks
D) By maintaining office supplies

Correct Answer: B) By providing e-governance services and managing departmental websites

50. What are some common uses of computers in homes?

A) Only for managing physical paperwork
B) For education, gaming, managing accounts, and controlling home appliances
C) For maintaining physical security systems
D) For designing and constructing home furniture

Correct Answer: B) For education, gaming, managing accounts, and controlling home appliances

51. Which of the following fields uses computers for tasks like stock trading and online banking?

A) Agriculture
B) Banking and Finance
C) Construction
D) Textile Manufacturing

Correct Answer: B) Banking and Finance

52. How are computers integrated into everyday household appliances?

A) By enhancing their physical strength
B) By controlling functions in home theatre systems, food processors, and washing machines
C) By manufacturing their physical components
D) By designing their appearance

Correct Answer: B) By controlling functions in home theatre systems, food processors, and washing machines

53. In what capacity are computers used in law enforcement?

A) By manually conducting criminal investigations
B) By performing criminal searches and fingerprint matching
C) By designing and constructing new police stations
D) By organizing physical evidence storage

Correct Answer: B) By performing criminal searches and fingerprint matching

54. Which of the following is a significant application of computers in weather forecasting?

A) Physical weather measurements
B) Complex data analysis and prediction modeling
C) Manual data recording
D) Designing weather instruments

Correct Answer: B) Complex data analysis and prediction modeling

55. What role do computers play in the field of publishing?

A) By printing physical books and newspapers
B) By facilitating online publishing and managing digital content
C) By manually editing written content
D) By organizing book fairs

Correct Answer: B) By facilitating online publishing and managing digital content

56. What does the term "Speed" refer to in the context of computer capabilities?

A) The time a computer system takes to execute a task
B) The physical size of the computer system
C) The number of users accessing the computer system simultaneously
D) The amount of storage space available in the computer system

Correct Answer: A) The time a computer system takes to execute a task

57. Which standard is used to classify computers based on their speed?

A) Data Transfer Rate (DTR)
B) Million Instructions per Second (MIPS)
C) Operations per Minute (OPM)
D) Processor Speed Index (PSI)

Correct Answer: B) Million Instructions per Second (MIPS)

58. What is a key factor contributing to the accuracy of computer calculations?

A) The number of users
B) The physical location of the computer
C) The precision in calculations and task performance
D) The computer's physical design

Correct Answer: C) The precision in calculations and task performance

59. What is one way computer systems ensure reliability in highly automated industries?

A) By using manual data entry
B) By implementing backup facilities
C) By reducing the number of users
D) By limiting the storage capacity

Correct Answer: B) By implementing backup facilities

60. How does a computer’s storage capability benefit organizations?

A) By increasing the physical size of the computer
B) By allowing immediate data access and retaining large amounts of data
C) By limiting the number of calculations per second
D) By reducing the need for backup facilities

Correct Answer: B) By allowing immediate data access and retaining large amounts of data

61. What is a significant limitation of computers regarding common sense?

A) They can perform tasks at high speeds
B) They lack the ability to reason and make nuanced judgments
C) They can store vast amounts of data
D) They can perform repetitive tasks without fatigue

Correct Answer: B) They lack the ability to reason and make nuanced judgments

62. Why do computers have a "zero IQ"?

A) They cannot perceive or autonomously deduce actions without programming
B) They can perform complex tasks without any programming
C) They have an inherent ability to adapt to unforeseen circumstances
D) They are equipped with advanced decision-making capabilities

Correct Answer: A) They cannot perceive or autonomously deduce actions without programming

63. What is a notable limitation in decision-making for computer systems?

A) They can follow predetermined procedures but lack nuanced decision-making abilities
B) They can make decisions based on context-specific information
C) They have an inherent ability to adapt and respond to new situations
D) They can independently create new algorithms for decision-making

Correct Answer: A) They can follow predetermined procedures but lack nuanced decision-making abilities

64. Which of the following is NOT a capability of computers?

A) Speed
B) Accuracy
C) Common Sense
D) Reliability

Correct Answer: C) Common Sense

65. What is one factor that can cause errors in Computer-Based Information Systems (CBIS)?

A) High speed of processing
B) Poor programming and erroneous data
C) Extensive data storage
D) Reliable task performance

Correct Answer: B) Poor programming and erroneous data

66. How do computers exhibit accuracy in their operations?

A) By performing tasks with high speed
B) By minimizing errors in hardware
C) By detecting and correcting errors autonomously
D) By requiring human intervention for error detection

Correct Answer: C) By detecting and correcting errors autonomously

67. Which of the following is a limitation of computer storage?

A) High data retrieval speed
B) Extensive storage capabilities
C) Compact physical footprint
D) Limited capacity for data retention

Correct Answer: D) Limited capacity for data retention

68. What are the four integral components of a computer system?

A) Hardware, Software, Data, Users
B) Keyboard, Mouse, Monitor, Printer
C) CPU, Memory, Disk, Network
D) Input, Process, Output, Storage

Correct Answer: A) Hardware, Software, Data, Users

69. What does the term "Hardware" refer to in a computer system?

A) The collection of programs and applications
B) The physical components of the computer
C) The data that is processed
D) The users who operate the computer

Correct Answer: B) The physical components of the computer

70. Which part of the CPU is responsible for executing arithmetic operations?

A) Control Unit (CU)
B) Arithmetic Logic Unit (ALU)
C) Memory Unit
D) Input/Output Unit

Correct Answer: B) Arithmetic Logic Unit (ALU)

71. What is the primary function of the Control Unit (CU) in the CPU?

A) To execute arithmetic operations
B) To manage the input and output devices
C) To retrieve and decode instructions from memory
D) To store data temporarily during processing

Correct Answer: C) To retrieve and decode instructions from memory

72. What is the primary role of system software?

A) To manage the computer hardware and interact with application software
B) To perform specific tasks for the user, like word processing
C) To create and edit multimedia content
D) To store user data and applications

Correct Answer: A) To manage the computer hardware and interact with application software

73. Which type of software includes spreadsheets, word processors, and presentation programs?

A) System software
B) Application software
C) Hardware drivers
D) Operating systems

Correct Answer: B) Application software

74. How is data presented in a computer system?

A) Only in quantitative form
B) Only in qualitative form
C) In both quantitative and qualitative forms
D) Only as text files

Correct Answer: C) In both quantitative and qualitative forms

75. What unit of information is represented by 8 bits in a computer system?

A) Byte
B) Kilobyte
C) Megabyte
D) Gigabyte

Correct Answer: A) Byte

76. Who are considered as "users" of computer systems?

A) Only the individuals who design computer hardware
B) Only the individuals who create software
C) Both the individuals who use computer systems and those who design them
D) Only the professionals working in computer system development

Correct Answer: C) Both the individuals who use computer systems and those who design them

77. What concept describes the process of accepting data, processing it, generating output, and storing data?

A) Input-Process-Output
B) Data Management Cycle
C) System Software Operations
D) Computer Hardware Functions

Correct Answer: A) Input-Process-Output

78. What does the "Input" stage of the Input-Process-Output concept involve?

A) Processing data to generate output
B) Storing data for future retrieval
C) Receiving data from the user via input devices
D) Displaying the processed data to the user

Correct Answer: C) Receiving data from the user via input devices

79. Which part of the computer system is responsible for transforming user-provided data into a format understandable by the computer?

A) Output Unit
B) Memory Unit
C) Input Unit
D) CPU

Correct Answer: C) Input Unit

80. What does the "Memory Unit" in a computer system do?

A) It handles arithmetic and logic operations
B) It temporarily stores data, instructions, and intermediate results
C) It manages input and output operations
D) It stores data permanently for future retrieval

Correct Answer: B) It temporarily stores data, instructions, and intermediate results

81. Which of the following is NOT a primary part of computer hardware?

A) Input/Output (I/O) Unit
B) CPU
C) Memory Unit
D) System Software

Correct Answer: D) System Software

82. What type of data is expressed numerically?

A) Qualitative Data
B) Quantitative Data
C) Textual Data
D) Graphic Data

Correct Answer: B) Quantitative Data

83. What does the "Output" stage of the Input-Process-Output concept involve?

A) Accepting data from the user
B) Storing data on secondary storage media
C) Displaying the processed data to the user
D) Processing data to generate results

Correct Answer: C) Displaying the processed data to the user

84. What is the main role of the "Output Unit" in computer hardware?

A) To transform data into a format understandable by the computer
B) To process arithmetic and logic operations
C) To present processed data in an understandable format
D) To temporarily store data and instructions

Correct Answer: C) To present processed data in an understandable format

85. What is the main focus of computer architecture?

A) Physical layout of hardware components
B) Fundamental properties and connectivity of hardware components
C) Design of software applications
D) User interface design

Correct Answer: B) Fundamental properties and connectivity of hardware components

86. What does computer organization primarily deal with?

A) Software design
B) Achieving specific performance and function goals
C) Arrangement and design of hardware components
D) Data storage formats

Correct Answer: C) Arrangement and design of hardware components

87. Which of the following factors does NOT typically influence computer organization?

A) Cost
B) Physical dimensions
C) Technology employed
D) User preferences

Correct Answer: D) User preferences

88. What is the primary role of the CPU in a computer system?

A) Managing external devices
B) Processing data and managing system components
C) Storing data permanently
D) Displaying information on the screen

Correct Answer: B) Processing data and managing system components

89. Which of the following is NOT a phase of the CPU cycle?

A) Fetching
B) Decoding
C) Transmitting
D) Executing

Correct Answer: C) Transmitting

90. What does the Control Unit (CU) of the CPU do?

A) Performs arithmetic operations
B) Carries out logical operations
C) Regulates data flow and manages execution order
D) Stores data

Correct Answer: C) Regulates data flow and manages execution order

91. What kind of operations does the Arithmetic Unit (AU) perform?

A) Logical operations
B) Memory management
C) Arithmetic operations like addition and subtraction
D) Data transmission

Correct Answer: C) Arithmetic operations like addition and subtraction

92. Which operations are typically handled by the Logic Unit (LU)?

A) Data storage
B) Input/output operations
C) Logical operations like comparison and shifting
D) Network communication

Correct Answer: C) Logical operations like comparison and shifting

93. What type of memory is described as "volatile" and only stores data temporarily?

A) ROM
B) RAM
C) Cache
D) Hard Disk

Correct Answer: B) RAM

94. Which of the following is the fastest and smallest type of cache memory?

A) Main Memory
B) Secondary Cache (L2)
C) Primary Cache (L1)
D) Hard Disk Cache

Correct Answer: C) Primary Cache (L1)

95. What is the role of the Programme Counter (PC) register?

A) Storing arithmetic results
B) Keeping track of the next instruction to execute
C) Holding intermediate logical operations
D) Managing memory addresses

Correct Answer: B) Keeping track of the next instruction to execute

96. What kind of communication is used between the processor and I/O devices?

A) Direct memory communication
B) Interface unit-based communication
C) Wireless communication
D) Serial communication

Correct Answer: B) Interface unit-based communication

97. Which register is used to hold the address of the next memory location to access?

A) Memory Buffer Register (MBR)
B) Memory Data Register (MDR)
C) Instruction Register (IR)
D) Memory Address Register (MAR)

Correct Answer: D) Memory Address Register (MAR)

98. How does the CPU communicate with memory to read data?

A) Using the address bus to load the address into MAR and sending a READ signal
B) Using the data bus to load data directly
C) Using wireless signals to communicate with memory
D) Directly accessing hard disk for data

Correct Answer: A) Using the address bus to load the address into MAR and sending a READ signal

99. What happens during the I/O write operation?

A) CPU sends data to input devices
B) Data is read from memory into the processor
C) CPU writes data to an output device through the data register
D) Data is transmitted over the internet

Correct Answer: C) CPU writes data to an output device through the data register

100. What is the role of the interface unit in processor and I/O device communication?

A) It stores data permanently
B) It manages the processor's arithmetic operations
C) It translates CPU control commands for device controllers
D) It controls the computer's power supply

Correct Answer: C) It translates CPU control commands for device controllers

101. What does the status register's flag bit indicate in I/O operations?

A) The speed of the CPU
B) The availability of data in the data register
C) The completion of arithmetic operations
D) The amount of available memory

Correct Answer: B) The availability of data in the data register

102. Which component acts as a bridge between the processor and the peripheral device controllers?

A) Main memory
B) Arithmetic Unit
C) Interface unit
D) Logic Unit

Correct Answer: C) Interface unit

103. Where is the primary cache (L1 cache) located in a computer system?

A) On the motherboard
B) Inside the CPU
C) In the RAM
D) In the hard disk

Correct Answer: B) Inside the CPU

104. Which of the following is slower but larger than the primary cache?

A) RAM
B) Secondary Cache (L2 Cache)
C) Register
D) Arithmetic Unit

Correct Answer: B) Secondary Cache (L2 Cache)

105. Which unit is responsible for providing data to the computer for processing?

A) Output unit
B) Input unit
C) Storage unit
D) Processing unit

Correct Answer: B) Input unit.

106. What is the role of the output unit in a computer system?

A) To receive and send processed data to output devices
B) To convert input data into a machine-readable format
C) To provide data for processing by other computer components
D) To store input data

Correct Answer: A) To receive and send processed data to output devices.

107. Which of the following is NOT considered an input device?

A) Keyboard
B) Mouse
C) Printer
D) Scanner

Correct Answer: C) Printer.

108. What does the input interface of an input device do?

A) Transforms processed data into a human-readable format
B) Converts input data into a format that the computer can understand
C) Sends data to the output device
D) Stores data for later use

Correct Answer: B) Converts input data into a format that the computer can understand.

109. Which device is used to input drawings and sketches into a computer?

A) Mouse
B) Joystick
C) Digitising tablet
D) Keyboard

Correct Answer: C) Digitising tablet.

110. Which device uses LED and sensors to detect movement?

A) Physical mouse
B) Trackball
C) Optical mouse
D) Joystick

Correct Answer: C) Optical mouse.

111. What is the primary use of a joystick in computing?

A) To input text data
B) To control the cursor and perform actions on the screen
C) To input graphical data for design
D) To regulate the speed of the cursor in video games

Correct Answer: D) To regulate the speed of the cursor in video games.

112. Which of the following devices is used for optical scanning of text and images?

A) Keyboard
B) Joystick
C) Scanner
D) Trackball

Correct Answer: C) Scanner.

113. What function does the trackball serve in relation to computer input?

A) It replaces a mouse and controls the pointer on the screen
B) It inputs text and numeric data
C) It records voice data
D) It displays output data

Correct Answer: A) It replaces a mouse and controls the pointer on the screen.

114. Which input device converts pen movements on its surface into digital signals?

A) Keyboard
B) Optical mouse
C) Digitising tablet
D) Trackball

Correct Answer: C) Digitising tablet.

115. What is the primary function of a light pen?

A) Capturing video
B) Selecting objects on the screen
C) Recording audio
D) Scanning barcodes

Correct Answer: B) Selecting objects on the screen

116. How does a touch screen register input?

A) By detecting changes in temperature
B) By measuring sound waves
C) By interrupting an infrared beam
D) By detecting changes in pressure

Correct Answer: C) By interrupting an infrared beam

117. What type of device is a microphone classified as?

A) Video input device
B) Optical input device
C) Audio input device
D) Barcode reader

Correct Answer: C) Audio input device

118. Which device is commonly used for scanning documents into a digital format?

A) Barcode reader
B) Scanner
C) Digital camera
D) Light pen

Correct Answer: B) Scanner

119. What is the purpose of Optical Character Recognition (OCR)?

A) To convert printed text into digital text
B) To detect magnetic ink on cheques
C) To scan barcodes
D) To capture video footage

Correct Answer: A) To convert printed text into digital text

120. Which technology is used to read magnetic ink characters on cheques?

A) OCR
B) MICR
C) OMR
D) Barcode reader

Correct Answer: B) MICR

121. What does Optical Mark Recognition (OMR) primarily scan for?

A) Printed text
B) Audio signals
C) Marks on paper
D) Barcodes

Correct Answer: C) Marks on paper

122. Which device is used to capture video footage for a computer?

A) Microphone
B) Scanner
C) Webcam
D) Barcode reader

Correct Answer: C) Webcam

123. What type of device is commonly used in supermarkets to scan product labels?

A) Optical character reader
B) Barcode reader
C) Hand-held scanner
D) Touch screen

Correct Answer: B) Barcode reader

124. Which device uses light to create a digital image of a physical document?

A) Video camera
B) Digital camera
C) Scanner
D) Touch screen

Correct Answer: C) Scanner

125. Which device is used to produce physical printouts of data from a computer?

A) Monitor
B) Printer
C) Speaker
D) Projector

Correct Answer: B) Printer

126. What is the main advantage of laser printers over dot matrix printers?

A) Lower cost
B) Higher resolution and faster printing speed
C) Capability to print in multiple colors
D) Portability

Correct Answer: B) Higher resolution and faster printing speed

127. Which type of printer uses ink droplets sprayed onto paper?

A) Dot matrix printer
B) Daisy wheel printer
C) Inkjet printer
D) Laser printer

Correct Answer: C) Inkjet printer

128. What type of plotter uses pens that move horizontally while the paper rotates?

A) Flatbed plotter
B) Drum plotter
C) Laser plotter
D) Inkjet plotter

Correct Answer: B) Drum plotter

129. Which device is used for projecting computer information onto a large screen for presentations?

A) Monitor
B) Projector
C) Plotter
D) Microfiche reader

Correct Answer: B) Projector

130. What is the primary function of a microfilm?

A) To project images
B) To print text
C) To store data in a compact, durable format
D) To display visual content on a screen

Correct Answer: C) To store data in a compact, durable format

131. Which output device is used to produce audio output from a computer?

A) Monitor
B) Printer
C) Speaker
D) Plotter

Correct Answer: C) Speaker

132. Which type of monitor displays text and graphics using 256 colors simultaneously?

A) Monochrome monitor
B) CGA monitor
C) SVGA monitor
D) VGA monitor

Correct Answer: D) VGA monitor

133. What technology does an LCD monitor use?

A) Cathode Ray Tube
B) Light Emitting Diode
C) Liquid Crystal Display
D) Electroluminescent Display

Correct Answer: C) Liquid Crystal Display

134. Which type of terminal has inherent capabilities for both processing and storing data?

A) Dumb terminal
B) Smart terminal
C) Intelligent terminal
D) Visual Display Terminal

Correct Answer: C) Intelligent terminal

135. What are the two primary types of memory in a computer?

A) Primary and Secondary Memory
B) RAM and ROM
C) Cache and Main Memory
D) DRAM and SRAM

Correct Answer: B) RAM and ROM.

136. Which type of memory is used for long-term retention of data and programs?

A) Primary memory
B) Cache memory
C) Secondary memory
D) Virtual memory

Correct Answer: C) Secondary memory.

137. What is the role of cache memory in a computer?

A) To store data temporarily while the computer is in operation
B) To speed up data access between the CPU and RAM
C) To permanently store system files
D) To provide a backup for main memory

Correct Answer: B) To speed up data access between the CPU and RAM.

138. Where is cache memory typically located?

A) On the hard disk
B) On the motherboard, between the CPU and RAM
C) Inside the RAM chips
D) Within the power supply unit

Correct Answer: B) On the motherboard, between the CPU and RAM.

139. Which levels of cache memory are commonly integrated within a CPU?

A) L1 and L2 only
B) L2 and L3 only
C) L1, L2, and sometimes L3
D) Only L3

Correct Answer: C) L1, L2, and sometimes L3.

140. What is the size range typically associated with cache memory in modern computers?

A) 1 MB to 16 MB
B) 256 KB to 2 MB
C) 4 GB to 16 GB
D) 10 MB to 100 MB

Correct Answer: B) 256 KB to 2 MB.

141. Which of the following statements about RAM is true?

A) RAM is non-volatile and retains data when power is off
B) RAM is used for permanent data storage
C) RAM is volatile and loses data when power is off
D) RAM only stores the operating system

Correct Answer: C) RAM is volatile and loses data when power is off.

142. What is the primary purpose of ROM in a computer system?

A) To store temporary files
B) To provide quick access to frequently used data
C) To store firmware and boot-up instructions
D) To act as a substitute for RAM

Correct Answer: C) To store firmware and boot-up instructions.

143. Which type of ROM can be erased by exposing it to ultraviolet light?

A) PROM
B) EPROM
C) EEPROM
D) Flash memory

Correct Answer: B) EPROM.

144. How does EEPROM differ from traditional ROM?

A) EEPROM can be rewritten electronically without removal from the computer
B) EEPROM is faster than DRAM
C) EEPROM uses magnetic storage
D) EEPROM is only used for storing BIOS

Correct Answer: A) EEPROM can be rewritten electronically without removal from the computer.

145. Which type of RAM requires constant refreshing to retain data?

A) SRAM
B) DRAM
C) Flash memory
D) ROM

Correct Answer: B) DRAM.

146. Which RAM type is typically used in cache memory due to its speed?

A) DRAM
B) SRAM
C) PROM
D) Flash memory

Correct Answer: B) SRAM.

147. What is flash memory primarily used for in modern electronic devices?

A) To provide volatile storage
B) To store BIOS and firmware permanently
C) For fast, non-volatile data storage in portable devices
D) As the main memory in desktop computers

Correct Answer: C) For fast, non-volatile data storage in portable devices.

148. What is the purpose of the Power On Self Test (POST) stored in ROM?

A) To check the system for viruses
B) To verify hardware components are functioning properly
C) To load the operating system into RAM
D) To reset all system configurations

Correct Answer: B) To verify hardware components are functioning properly.

149. Which of the following memory types is best suited for high-speed, frequently accessed data?

A) DRAM
B) Cache memory
C) ROM
D) Secondary memory

Correct Answer: B) Cache memory.

150. What is Flash memory primarily used for?

A) Temporary data storage
B) Persistent storage that retains data without power
C) Random access memory
D) External memory only

Correct Answer: B) Persistent storage that retains data without power

151. Flash memory is a type of:

A) RAM
B) DRAM
C) EEPROM
D) ROM

Correct Answer: C) EEPROM

152. Which of the following statements is true about NOR Flash memory?

A) It excels at sequential data access.
B) It is faster for random data access than NAND Flash.
C) It is primarily used for large data storage.
D) It is not used in embedded systems.

Correct Answer: B) It is faster for random data access than NAND Flash.

153. Which of the following is a key feature of NAND Flash memory?

A) High-speed random access
B) Efficient for large data storage
C) Erases data at the byte level
D) Uses a parallel connection for memory cells

Correct Answer: B) Efficient for large data storage

154. The names 'NOR' and 'NAND' in Flash memory are derived from:

A) The method of manufacturing the memory cells
B) The way memory cells are connected, resembling NOR or NAND logic gates
C) The speed of data access
D) The capacity of data storage

Correct Answer: B) The way memory cells are connected, resembling NOR or NAND logic gates

155. Flash memory is commonly used in which of the following devices?

A) CD-ROMs
B) SSDs and USB drives
C) Magnetic tape drives
D) Floppy disks

Correct Answer: B) SSDs and USB drives

156. Which communication protocols are commonly used with Flash memory devices?

A) USB and HDMI
B) I2C and SPI
C) SATA and IDE
D) Ethernet and Wi-Fi

Correct Answer: B) I2C and SPI

157. What is the main advantage of SSDs over HDDs?

A) SSDs have moving parts that provide better performance.
B) SSDs are less durable than HDDs.
C) SSDs offer faster data access and transfer speeds.
D) SSDs use magnetic storage for higher capacity.

Correct Answer: C) SSDs offer faster data access and transfer speeds.

158. Which type of Flash memory is used for code storage and execution?

A) NAND Flash
B) NOR Flash
C) DRAM
D) SRAM

Correct Answer: B) NOR Flash

159. Which optical disc type can be rewritten multiple times?

A) CD-ROM
B) DVD-R
C) CD-RW
D) DVD-ROM

Correct Answer: C) CD-RW

160. Which type of memory loses its data when the power is turned off?

A) Flash memory
B) ROM
C) RAM
D) SSD

Correct Answer: C) RAM.

161. How much data can a single-layer DVD-ROM typically store?

A) 700 MB
B) 4.7 GB
C) 9.4 GB
D) 17 GB

Correct Answer: B) 4.7 GB.

162. Which storage device uses magnetic discs for data storage?

A) SSD
B) USB flash drive
C) HDD
D) CD-ROM

Correct Answer: C) HDD.

163. The BIOS chip on a computer's motherboard is an example of:

A) Volatile memory
B) Flash memory
C) Optical memory
D) Secondary storage

Correct Answer: B) Flash memory.

164. Which of the following is true about optical discs compared to magnetic discs?

A) Optical discs have faster random access speed.
B) Optical discs use laser technology for reading data.
C) Optical discs have moving parts.
D) Optical discs use magnetic fields to store data.

Correct Answer: B) Optical discs use laser technology for reading data.

165. What is the primary use of CD-ROM?

A) Writing data multiple times
B) Read-only storage for software and data distribution
C) Storing operating systems
D) Temporary storage of computer data

Correct Answer: B) Read-only storage for software and data distribution.

166. Which of the following is a characteristic of Magneto-Optical Discs?

A) They are only used for reading data.
B) They are obsolete and have been replaced by CD-RW and DVD-R.
C) They use a magnetic field to read data.
D) They are commonly used in modern computers.

Correct Answer: B) They are obsolete and have been replaced by CD-RW and DVD-R.

167. Which type of storage device is known for its high storage capacity and use in centralized databases?

A) Microcomputers
B) Minicomputers
C) Mainframe computers
D) Supercomputers

Correct Answer: C) Mainframe computers.

168. What is the main characteristic of fifth-generation computers?

A) Use of vacuum tubes
B) Use of microprocessors
C) Ability to learn and self-organize
D) High power consumption

Correct Answer: C) Ability to learn and self-organize.

169. In which generation of computers were transistors first introduced?

A) First generation
B) Second generation
C) Third generation
D) Fourth generation

Correct Answer: B) Second generation.

170. Which technology is used in the construction of third-generation computers?

A) Vacuum tubes
B) Transistors
C) Integrated Circuits (ICs)
D) Microprocessors

Correct Answer: C) Integrated Circuits (ICs)

171. What does EEPROM stand for?

A) Electrically Erasable Programmable Read-Only Memory
B) Electronically Erasable Permanent Read-Only Memory
C) Electrically Erasable Programmed Read-Only Memory
D) Electronically Erased Programmable Read-Only Memory

Correct Answer: A) Electrically Erasable Programmable Read-Only Memory

172. What is the primary use of Cache memory?

A) Long-term data storage
B) Enhancing processing speed by storing frequently accessed data
C) Storing software programs
D) Permanent data storage

Correct Answer: B) Enhancing processing speed by storing frequently accessed data

173. Which memory type is primarily used for temporary storage during processing?

A) ROM
B) Flash memory
C) RAM
D) SSD

Correct Answer: C) RAM

174. Which of the following statements about SSDs is true?

A) SSDs use magnetic fields to store data.
B) SSDs are typically slower than HDDs.
C) SSDs have no moving parts and use Flash memory.
D) SSDs are mainly used in optical storage.

Correct Answer: C) SSDs have no moving parts and use Flash memory.

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