Computer Fundamentals MCQ
1. UNIVAC is
A. universal automatic computer
B. unique automatic computer
C. universal automate computer
D. none of these
Answer:A
2. The basic operations performed by a computer are
A. arithmetic operation
B. logical operation
C. storage and relative
D. all the above
Answer:D
3. The two major types of computer chips are
A. external memory chip
B. primary memory chip
C. microprocessor chip
D. both b and c
Answer:D
4. Microprocessors as switching devices are for which generation computers
A. first generation
B. second generation
C. third generation
D. fourth generation
Answer:D
5. Which of the following is not a characteristic of a computer?
A. Versatility
B. Accuracy
C. I.Q.
D. Diligence
Answer:C
6. What does EBCDIC stand for?
A. extended binary coded decimal interchange code
B. extended bit code decimal interchange code
C. extended bit case decimal interchange code
D. extended binary case decimal interchange code
Answer:A
7. The brain of any computer system is
A. alu
B. memory
C. cpu
D. control unit
Answer:C
8. Which of the following is the smallest unit of data in a computer?
A. KB
B. Nibble
C. Byte
D. Bit
Answer:D
9. The two kinds of main memory are:
A. primary and secondary
B. random and sequential
C. rom and ram
D. all of above
Answer:C
10. Which of the following unit is responsible for converting the data received from the user into a computer understandable format?
A. memory unit
B. input unit
C. accumulator
D. output unit
Answer:B
11. Computer is free from tiresome and boredom. We call it
A. accuracy
B. reliability
C. diligence
D. versatility
Answer:C
12. Integrated Circuits (Ics) are related to which generation of computers?
A. first generation
B. second generation
C. third generation
D. fourth generation
Answer:C
13. CD-ROM is a
A. semiconductor memory
B. memory register
C. magnetic memory
D. none of above
Answer:D
14. Which of the following is not a type of computer code?
A. EDIC
B. ASCII
C. EBCDIC
D. BCD
Answer:A
15. Which type of computers uses the 8-bit code called EBCDIC?
A. minicomputers
B. microcomputers
C. mainframe computers
D. super computer
Answer:C
16. The ALU of a computer responds to the commands coming from
A. primary memory
B. control section
C. external memory
D. cache memory
Answer:B
17. _________ software are programs designed to help end user perform certain types of work.
A. Application
B. System
C. Utility
D. none of above
Answer:A
18. To produce high quality graphics (hardcopy) in color, you would want to use
A. rgb monitor
B. plotter
C. ink-jet printer
D. laser printer
Answer:B
19. A computer only understands the ________ language.
A. decimal
B. binary
C. octal
D. none of the above
Answer:B
20. In how many generations a computer can be classified?
A. 2
B. 3
C. 4
D. 5
Answer:D
21. The output quality of a printer is measured by_________ .
A. dot per inch
B. dots printed per unit time
C. pixel
D. dots printed per unit time
Answer:A
22. What is the term for a temporary storage area that compensates for differences in data rate and data flow between devices?
A. Buffer
B. Channel
C. Firmware
D. None of above
Answer:A
23. Which of the following devices provides the communication between a computer and the outer world?
A. Peripheral
B. buffer
C. buses
D. serial connector
Answer:A
24. The set of instructions that tells the computer what to do is.
A. software
B. hardware
C. firmware
D. humanware
Answer:A
25. Which of the following was a special purpose computer?
A. abc
B. eniac
C. edvac
D. all of the above
Answer:A
26. SMPS stands for _________.
A. Switched More Power Supply
B. Switched Mode Power Supply
C. Switched Mode Primary Supply
D. none of above
Answer:B
27. Which of the following storage devices can store maximum amount of data?
A. floppy disk
B. hard disk
C. compact disk
D. magneto optic disk
Answer:B
28. USB stands for _______.
A. Universal Serial Bus
B. Universal Series Bus
C. Unified Serial Bus
D. Universal Semiconductors Bus
Answer:A
29. A physical connection between the microprocessor memory and other parts of the microcomputer is known as
A. path
B. address bus
C. route
D. all of the above
Answer:B
30. Which of the following statement is correct about the virus?
A. The virus is an operating system that controls the entire OS.
B. The virus is a small program that infects a large program in the user system.
C. The virus is a file of the hacker.
D. None of the above
Answer:B
31. A high quality CAD system uses the following for printing drawing and graphs
A. dot matrix printer
B. digital plotter
C. line printer
D. all of the above
Answer:B
32. Which of the following is not an input device?
A. ocr
B. optical scanners
C. voice recognition device
D. com (computer output to microfilm)
Answer:D
33. Which of the following are physical devices of a computer?
A. software
B. hardware
C. firmware
D. all of above
Answer:B
34. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?
A. motherboard
B. prinboard
C. bredboard
D. circuitboard
Answer:A
35. Which of the following devices provides the communication between a computer and the outer world?
A. I/O
B. driver
C. compact
D. storage
Answer:A
36. Magnetic disks are the most popular medium for
A. direct access
B. sequential access
C. both of above
D. none of above
Answer:D
37. Which of the following monitor looks like a television and are normally used with non-portable computer systems?
A. LCD
B. LED
C. CRT
D. Flat Panel Monitors
Answer:C
38. Regarding a VDU, Which statement is more correct?
A. it is an output device
B. it is an input device
C. it is a peripheral device
D. it is hardware item
Answer:C
39. A modern electronic computer is a machine that is meant for
A. doing quick mathematical calculations
B. input, storage, manipulation and outputting of data
C. electronic data processing
D. performing repetitive tasks accurately
Answer:B
40. Which of the following unit is responsible for converting the data received from the user into a computer understandable format?
A. output unit
B. input unit
C. alu
D. memory uni
Answer:B
41. Which of the following produces the best quality graphics reproduction?
A. laser printer
B. ink jet printer
C. plotter
D. dot matrix printer
Answer:C
42. Which of the following is the smallest unit of data in a computer?
A. Nibble
B. Bit
C. Byte
D. none of above
Answer:B
43. An application suitable for sequential processing is
A. processing of grades
B. payroll processing
C. both a and b
D. all of above
Answer:C
44. Which of the following is not processing?
A. arranging
B. manipulating
C. calculating
D. gathering
Answer:D
45. The digital computer was developed primarily in
A. ussr
B. japan
C. usa
D. uk
Answer:C
46. Software in computer
A. enhances the capabilities of the hardware machine
B. increase the speed of central processing unit
C. both of above
D. none of above
Answer:A
47. What is the decimal equivalent of the binary number 10111?
A. 21
B. 23
C. 25
D. 43
Answer:B
48. What is the term for a temporary storage area that compensates for differences in data rate and data flow between devices?
A. hdd
B. ssd
C. bus
D. buffer
Answer:D
49. The arranging of data in a logical sequence is called
A. sorting
B. classifying
C. reproducing
D. summarizing
Answer:A
50. What is the responsibility of the logical unit in the CPU of a computer?
A. to produce result
B. to compare numbers
C. to control flow of information
D. to do math's works
Answer:B
51. Abacus was the first
A. electronic computer
B. mechanical computer
C. electronic calculator
D. mechanical calculator
Answer:D
52. Which of the following is the smallest visual element on a video monitor?
A. byte
B. pixel
C. bit
D. character
Answer:B
53. Instructions and memory address are represented by
A. character code
B. binary codes
C. binary word
D. parity bit
Answer:B
54. Which of the following natural element is the primary element in computer chips?
A. silicon
B. carbon
C. uranium
D. nickel
Answer:A
55. A set of flip flops integrated together is called
A. counter
B. adder
C. register
D. none of the above
Answer:C
56. People often call _______ as the brain of computer system
A. control unit
B. arithmetic logic unit
C. central processing unit
D. storage unit
Answer:C
57. Which of the following is equal to a gigabyte?
A. 1024 byte
B. 1024 nibble
C. 1024 megabyte
D. a and b only
Answer:C
58. How many bytes does 4 kilobytes represent?
A. 512
B. 2048
C. 4096
D. non of the above
Answer:C
59. Which of the following is not considered hardware?
A. CPU
B. OS
C. keyboard
D. SSD
Answer:B
60. Which of the following is exclusively a sequential access storage device?
A. hard disk
B. magnetic tape
C. DVD
D. none of above
Answer:B
61. Which one of the following is not a form of data storage media?
A. hard disk
B. magnetic tape
C. DBMS
D. SSD
Answer:C
62. Which generation of computer is still under development
A. fourth generation
B. fifth generation
C. sixth generation
D. seventh generation
Answer:B
63. A internal hard disk drive can be directly connected to a PC via a _____.
A. serial interface
B. parallel interface
C. USB interface
D. SCSI interface
Answer:D
64. What is the common boundary present between two systems known as?
A. interface
B. surface
C. connector
D. none of the above
Answer:A
65. Which is considered a direct entry input device?
A. optical scanner
B. mouse and digitizer
C. light pen
D. all of the above
Answer:D
66. During the second generation, the size of computers was decreased by replacing vacuum tubes with_______
A. ICs
B. semiconductor
C. transistor
D. none of these
Answer:C
67. What is the speed of computer measured in?
A. nanosecond
B. kilo-second
C. gigahertz
D. bit
Answer:C
68. BCD is
A. binary coded decimal
B. bit coded decimal
C. binary coded digit
D. bit coded digit
Answer:A
69. Information travels between components on the motherboard through _____ .
A. flash memory
B. buses
C. peripherals
D. CMOS
Answer:B
70. From which generation operating systems were developed?
A. first
B. second
C. third
D. fourth
Answer:C
71. Transformation of input into output is performed by?
A. peripheral
B. memory
C. CPU
D. none of the above
Answer:C
72. Computers use the _____ the number system to store data and perform calculations.
A. decimal
B. binary
C. octal
D. hexadecimal
Answer:B
73. Properly arranged data is called
A. field
B. words
C. information
D. file
Answer:C
74. A computer consists of
A. a central processing unit
B. a memory
C. input and output unit
D. all of the above
Answer:D
75. Which of the following is the largest unit of storage?
A. megabyte
B. gigabyte
C. terabyte
D. none of above
Answer:C
76. _________ is the process of finding errors in software code.
A. debugging
B. compiling
C. testing
D. none of above
Answer:A
77. An integrated circuit is
A. a complicated circuit
B. an integrating device
C. much costlier than a single transistor
D. fabricated on a tiny silicon chip
Answer:D
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