Computers Hardware Multiple Choice Questions and Answers | Computers & IT MCQs

1. The clock rate of a processor is measured in ?
  1. milliseconds
  2. microhertz
  3. megabytes or gigabytes
  4. megahertz or gigahertz

Answer: megahertz or gigahertz

2. A directory within a directory is called a __________ ?
  1. Mini Directory
  2. Junior Directory
  3. Part Directory
  4. Sub Directory

Answer: Sub Directory

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3. What is the most popular hardware for multimedia creations ?
  1. PCs
  2. Minicomputers
  3. Mainframe Computers
  4. WANs

Answer: PCs

4. If a processor has a word size of 32 bits, compared to a processor with a word size of 16 bits, it can process __________ at a time. ?
  1. thrice as much
  2. twice as much
  3. a fourth as much
  4. the same amount

Answer: twice as much

5. Which is the part of a computer that one can touch and feel ?
  1. Hardware
  2. Software
  3. Programs
  4. Output

Answer: Hardware

6. _______ is the process of dividing the disk into tracks and sectors ?
  1. Tracking
  2. Formatting
  3. Crashing
  4. Allotting

Answer: Formatting

7. Tangible, physical computer equipment that can be seen and touched is called _______ ?
  1. hardware
  2. software
  3. storage
  4. input/output

Answer: hardware

8. Which of the following is usually connected to a computer with the help of a cable ?
  1. Icon
  2. Virus
  3. Database
  4. Peripheral devices

Answer: Peripheral devices

9. The main system board of a computer is called the ?
  1. integrated circuit
  2. motherboard
  3. processor
  4. microchip

Answer: motherboard

10. A __________ is a device that not only provides surge protection, but also furnishes your computer with battery backup power during a power outage. ?
  1. surge strip
  2. USB
  3. UPS
  4. battery strip

Answer: UPS

11. A complete electronic circuit with transistors and other electronic components on a small silicon chip is called a ?
  1. workstation
  2. CPU
  3. magnetic disk
  4. integrated circuit

Answer: integrated circuit

12. The disks stores information in ?
  1. Tables
  2. Rows and columns
  3. Blocks
  4. Tracks and sectors

Answer: Tracks and sectors

13. Which of the following is NOT a hardware of a computer ?
  1. Monitor
  2. Key Board
  3. Windows
  4. Central Processing Unit

Answer: Windows

14. Any hardware component that allows you to enter data or instructions into a computer is called a(n) _________ ?
  1. printer
  2. storage device
  3. output device
  4. input device

Answer: input device

15. A microprocessor is the brain of the computer and is also called a(n) ?
  1. microchip
  2. macrochip
  3. macroprocessor
  4. calculator

Answer: microchip

16. Which type of storage is a hard disc ?
  1. Non-permanent
  2. Volatile
  3. Temporary
  4. Non-volatile

Answer: Non-volatile

17. The term used to define all input and output devices in a computer system is ?
  1. Monitor
  2. Software
  3. Shared resources
  4. Hardware

Answer: Hardware

18. Restarting a computer that is already on is referred to as ?
  1. shut down
  2. cold booting
  3. warm booting
  4. logging off

Answer: logging off

19. Where is the disk put in a computer ?
  1. in the modem
  2. in the hard drive
  3. into the CPU
  4. in the disk drive

Answer: in the disk drive

20. Which of the following is not an example of hardware ?
  1. Mouse
  2. Printer
  3. Monitor
  4. EXCEL

Answer: EXCEL

21. Devices that accepts data from outside computer and transfer into CPU are called
  1. input devices
  2. digital devices
  3. analogue devices
  4. truth table peripherals

Answer: input devices

22. What beep codes could indicate a system board or power supply failure?
  1. steady short beep
  2. one long continuous beep tone
  3. steady long beeps
  4. All of the above

Answer: All of the above

23. If any instruction consist of any arithmetic operation, data is transferred to
  1. quantitative unit
  2. qualitative unit
  3. arithmetic and logical unit
  4. central processing unit

Answer: arithmetic and logical unit

24. When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to:
  1. B0007
  2. An unused SCSI address
  3. The same address as the SCSI device before the CD-ROM
  4. SCSI ID=1

Answer: An unused SCSI address

25. Devices which are used to receive data from central processing unit are classified as
  1. output/input devices
  2. digital devices
  3. signaled devices
  4. output devices

Answer: output devices

26. Devices such as mercury thermometer and kitchen scales are classified as
  1. digital devices
  2. analogue devices
  3. programmed devices
  4. signal led devices

Answer: analogue devices

27. Devices that are under control of computer and are directly connected to computer peripherals are termed as
  1. off-line devices
  2. on-line devices
  3. IN gate device
  4. IF gate device

Answer: on-line devices

28. Voltage is measured:
  1. in parallel
  2. in series
  3. after breaking the circuit
  4. after checking current

Answer: In parallel

29. Place where large amounts of data are stored outside central processing unit is called
  1. backing store
  2. peripherals
  3. control unit
  4. AL unit

Answer: backing store

30. When you save the following the data would remain intact even after turning off computer ?
  1. RAM
  2. Motherboard
  3. Secondary and Storage Device
  4. Primary Storage Device

Answer: Secondary and Storage Device

31. Fax machines and imaging systems are examples of ?
  1. bar-code readers
  2. imaging systems
  3. scanning devices
  4. pen-based systems

Answer: imaging systems

32. Peripheral devices such as printers and monitors are considered to be ?
  1. hardware
  2. software
  3. data
  4. information

Answer: hardware

33. A USB communication device that supports data encryption for secure wireless communication for notebook users is called a __________ ?
  1. USB wireless network adapter
  2. wireless switch
  3. wireless hub
  4. router

Answer: USB wireless network adapter

34. Which part of the computer helps to store information ?
  1. Disk drive
  2. keyboard
  3. Monitor
  4. Printer

Answer:Disk drive

35. Which of the following is hardware and not software ?
  1. Excel
  2. Printer driver
  3. Operating System
  4. Control Unit

Answer:Control Unit

36. The new __________ integrates the function of a processor, memory and video on a single chip ?
  1. micro processor
  2. power processor
  3. system on a chip
  4. multimedia processor

Answer:system on a chip

37. Which ports connect special types of music instruments to sound cards ?
  1. BUS
  2. CPU
  3. USB
  4. MIDI

Answer:MIDI

38. The indentations on CDs and DVDs are called ?
  1. pits
  2. clusters
  3. lands
  4. tracks

Answer:pits

39. Which of the following peripheral devices displays information to a user ?
  1. Monitor
  2. Keyboard
  3. Secondary storage devices
  4. Secondary storage media

Answer:Monitor

40. ESD would cause the most damage to which component?
  1. Power supply
  2. Expansion board
  3. Monitor
  4. Keyboard

Answer:Expansion board

41. What product is used to clean smudged keys on a keyboard?
  1. TMC solvent
  2. Silicone spray
  3. Denatured alcohol
  4. All-purpose cleaner

Answer:All-purpose cleaner

42. On the 16-bit ISA bus, IRQ2 is elevated to which higher level Interrupt?
  1. 9
  2. 11
  3. 13
  4. All of these

Answer:9

43. Teletypewriter terminal is an example of
  1. input devices
  2. output devices
  3. input/output devices
  4. storage devices

Answer:input/output devices

44. A device for changing the connection on a connector to a different configuration is ?
  1. a converter
  2. a component
  3. an attachment
  4. an adapter

Answer:an adapter

45. Which of the following devices translate data and programs that humans can understand into a form that the computer can process ?
  1. Display
  2. Input
  3. Output
  4. None of these

Answer:None of these

46. The motherboard is the ?
  1. circuit board that houses peripheral devices
  2. same as the CPU chip
  3. the first chip that is accessed when the computer is turned on
  4. circuit board that contains a CPU and other chips

Answer:circuit board that contains a CPU and other chips

47. __________ ports connect special types of music instruments to sound cards ?
  1. BUS
  2. CPU
  3. USB
  4. MIDI

Answer:MIDI

48. The processor is a __________ chip plugged onto the motherboard in a computer system ?
  1. LSI
  2. VLSI
  3. ULSI
  4. XLSI

Answer:ULSI

49. Which of the following is contained on chips connected to the system board and is a holding area for data instructions and information? (processed data waiting to be output to secondary storage) ?
  1. program
  2. mouse
  3. Internet
  4. memory

Answer:memory

50. If a processor has a word size of 32 bits, compared to a processor with a word size of 16 bits, it can process twice as much data at a time. RAM' stands for
  1. Random Access Memory
  2. Read Access Memory
  3. Read Arithmetic Memory
  4. Random Arithmetic Memory

Answer:Random Access Memory

51. The mouse pointer moves erratically, what is the possible cause? The mouse
  1. ball is dirty
  2. is not connected
  3. driver is not installed properly
  4. None of the above

Answer:ball is dirty

52. Which part of the laser printer should NOT be exposed to sunlight?
  1. Transfer corona assembly
  2. Primary corona wire
  3. PC drum
  4. Toner cartridge

Answer:PC drum

53. Your customer tells you the print quality of their dot matrix printer is light then dark. Which of the following could cause the problem.
  1. Paper slippage
  2. Improper ribbon advancement
  3. Head position
  4. All of these

Answer:Improper ribbon advancement

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