computer Science MCQs
1. QUESTION: The digital computer was developed primarily in
A. USSR B. Japan C. USA D. UK
CORRECT ANSWER IS: USA
2. QUESTION: The memory which is programmed at the time it is manufactured
A. POM B. RAM C. PROM D. EPROM
CORRECT ANSWER IS: POM
3. QUESTION: The first firm to mass-market a microcomputer as a personal computer was
A. IBM B. super UNIVAC C. Radio Shaks D. Data General Corporation
CORRECT ANSWER IS: Radio Shaks
4. QUESTION: ASCII stands for
A. American Stable Code for International Interchange B. American Standard Case for Institutional Interchange C. American Standard Code for Information Interchange D. American Standard Code for Interchange Information
CORRECT ANSWER IS: American Standard Code for Information Interchange
5. QUESTION: When did arch rivals IBM and Apple Computers In C. decide to join hands?
A. 1978 B. 1984 C. 1990 D. 1991
CORRECT ANSWER IS: 1991
6. QUESTION: The subject of cybernetics deals with the science of
A. genetics B. control and communications C. molecular biology D. biochemistry
CORRECT ANSWER IS: control and communications
7. QUESTION: Which of the following memory medium is not used as main memory system?
A. magnetic core B. semiconductor C. magnetic tape D. both a and b
CORRECT ANSWER IS: magnetic tape
8. QUESTION: A digital computer did not score over, an analog computer in terms of
A. speed B. accuracy C. reliability D. cost
CORRECT ANSWER IS: accuracy
9. QUESTION: Which of the following is first generation of computer?
A. EDSAC
B. IBM-1401 C. CDC-1604 D. ICL-2900
CORRECT ANSWER IS: EDSAC
10. QUESTION: Human beings are referred to as Homosapinens, which device is called Silicon Sapiens?
A. monitor B. hardware C. robot D. computer
CORRECT ANSWER IS: computer
11. QUESTION: Who is credited with the idea of using punch cards to control patterns of a weaving machine?
A. Pascal B. Hollerith C. Jacquard D. Babbage
CORRECT ANSWER IS: Jacquard
12. QUESTION: Registers, which are partially visible to users and used to hold conditional, are known as
A. PC B. memory address register C. general purpose register D. flags
CORRECT ANSWER IS: general purpose register
13. QUESTION: In 1830, Charles Babbage designed a machine called analytical engine, which he showed at the parts exhibition. In which year was it exhibited?
A. 1860
B. 1820
C. 1855 D. 1970
CORRECT ANSWER IS: 1855
14. QUESTION: Chief component of first generation computer was
A. transistors B. vacuum tubes and valves C. integrated circuits D. none of them
CORRECT ANSWER IS: vacuum tubes and valves
15. QUESTION: An error in software or hardware is called a bug. What is the alternative computer jargon for it?
A. leech B. sued C. slug D. glitch
CORRECT ANSWER IS: glitch
16. QUESTION: FoxPro is
A. a medicine B. a disease C. a computer language D. an animal
CORRECT ANSWER IS: a computer language
17. QUESTION: Most of the inexpensive personal computer does not have any disk or diskette drive. What is the name of such computers/
A. home computers B. diskless computers C. dedicated computers
D. general computers
CORRECT ANSWER IS: home computers
18. QUESTION: One of the main feature that distinguish microprocessors from micro-computers is
A. words are usually larger in microprocessors B. words are shorter in microprocessors C. microprocessors does not contain I/O devices D. exactly the same as the machine cycle time
CORRECT ANSWER IS: microprocessors does not contain I/O devices
19. QUESTION: Which was the world’s first minicomputer and when was it introduced?
A. PDP-I, 1958 B. IBM System/36, 1960 C. PDP-II, 1961 D. VAX 11/780, 1962
CORRECT ANSWER IS: PDP-I, 1958
20. QUESTION: FORTRAN is
A. File Translation B. Format Translation C. Formula Translation D. Floppy Translation
CORRECT ANSWER IS: Formula Translation
21. QUESTION: Modern Computer are very reliable but they are not
A. fast B. powerful C. infallible D. cheap
CORRECT ANSWER IS: infallible
22. QUESTION: Which of the following required large computer memory?
A. imaging B. graphics C. voice D. all of them
CORRECT ANSWER IS: all of them
23. QUESTION: The least significant bit of the binary number, which is equivalent to any odd decimal number, is
A. 0 B. 1 C. 1 or 0 D. 3
CORRECT ANSWER IS: 0
24. QUESTION: UNIVAC is
A. Universal Automatic Computer B. Universal Array Computer C. Unique Automatic Computer D. Unvalued Automatic Computer
CORRECT ANSWER IS: Universal Automatic Computer
25. QUESTION: EEPROM stands for
A. Electrically Erasable Programmable Read Only Memory B. Easily Erasable Programmable Real Only Memory C. Electronic Erasable Programmable Read Only Memory D. none of them
CORRECT ANSWER IS: Electrically Erasable Programmable Read Only Memory
26. QUESTION: What is the name of the display feature that highlights are of the screen. Which requires imperator attention?
A. pixel B. reverse video C. touch screen D. cursor
CORRECT ANSWER IS: reverse video
27. QUESTION: Super Computer was invented by
A. J.H. Van Tassel B. J.C Perrier C. W.L. Judson D. A.J. Garnering
CORRECT ANSWER IS: J.H. Van Tassel
28. QUESTION: A term associated with the comparison of processing speeds of different computer system is
A. EFTS B. MPG C. MIPS D. CFPS
CORRECT ANSWER IS: MIPS
29. QUESTION: What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A. bus control B. interrupts C. bus arbitration D. status
CORRECT ANSWER IS: bus arbitration
30. QUESTION: CD-ROM stands for
A. Compactable Read Only Memory B. Compact Data Read Only Memory C. Compactable Disk Read Only Memory D. Compact Disk Read Only Memory
CORRECT ANSWER IS: Compact Disk Read Only Memory
31. QUESTION: Second Generations computers were developed during
A. 1949 to 1955 B. 1956 to 1965 C. 1965 to 1970 D. 1970 to 1990
CORRECT ANSWER IS: 1956 to 1965
32. QUESTION: IBM launched its first personal computer called IBM-PC in 1981. It has chips from Intel, disk drives from Tendon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contributed the video display?
A. India B. China C. Germany D. Taiwan
CORRECT ANSWER IS: Taiwan
33. QUESTION: Which of the following terms is not associated with computers?
A. Frank land reaction B. data base C. binary D. windows
CORRECT ANSWER IS: Frank land reaction
34. QUESTION: Which of the following code used in present day computing was developed by IBM Corporation?
A. ASCII B. Hollerith Code C. Baudot Code D. EBCDIC Code
CORRECT ANSWER IS: EBCDIC Code
35. QUESTION: The processes of starting or restarting a computer system by loading instructions from a secondary storage device into the completer memory is called
A. duping B. booting C. padding D. all of them
CORRECT ANSWER IS: booting
36. QUESTION: When was the world’s first laptop computer introduced in the market and by whom?
A. Hewlett-Packard B. Epson, 1981 C. Tandy model – 2002, 1985 D. Laplink traveling software in 1982
CORRECT ANSWER IS: Epson, 1981
37. QUESTION: ALU is
A. Arithmetic Logic Unit B. Array Logic Unit C. Application Logic Unit D. none of them
CORRECT ANSWER IS: Arithmetic Logic Unit
38. QUESTION: The computer size was very large in
A. First Generation B. Second Generation C. Third Generation D. Fourth Generation
CORRECT ANSWER IS: First Generation
39. QUESTION: Personal computers use a number of chips mounted on a main circuit boarD. What is the common name for such boards?
A. daughter board B. motherboard C. father board D. breadboard
CORRECT ANSWER IS: motherboard
40. QUESTION: The special files of DOS are
A. COM B. EXE C. BATCH D. all of them
CORRECT ANSWER IS: all of them
41. QUESTION: Who invented the microprocessor?
A. Marcian E Huff B. Herman H Goldstein C. Joseph Jacquard D. all of them
CORRECT ANSWER IS: Marcian E Huff
42. QUESTION: The first microprocessor built by the Intel Corporation was called
A. 8008 B. 8080 C. 4004 D. 8800
CORRECT ANSWER IS: 4004
43. QUESTION: VGA is
A. Video Graphics Array B. Visual Graphics Array C. Volatile Graphics Array D. Video Graphics Adapter
CORRECT ANSWER IS: Video Graphics Array
44. QUESTION: Microprocessors as switching devices are for which generation computers
A. First Generation B. Second Generation C. Third Generation D. Fourth Generation
CORRECT ANSWER IS: Fourth Generation
45. QUESTION: In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single boarD. What is the name of this board?
A. daughter board B. motherboard C. father board D. breadboard
CORRECT ANSWER IS: motherboard
46. QUESTION: “Binary Codes” as used in computer sciences are codes made up of which of the following two numbers?
A. 0 and 9 B. 1 and 3 C. 0 and 1 D. 9 and 1
CORRECT ANSWER IS: 0 and 1
47. QUESTION: What is the latest write-once optical storage media?
A. digital paper B. magneto-optical disk C. WORM disk D. CD-ROM disk
CORRECT ANSWER IS: CD-ROM disk
48. QUESTION: One computer that is not considered a portable computer is
A. minicomputer B. a laptop computer C. both a and b D. none of them
CORRECT ANSWER IS: minicomputer
49. QUESTION: Who built the world’s first electronic calculator using telephone relays, light bulbs and batteries
A. Claude Shannon B. Konrard Zeus C. George Stibits D. Howard H. Aiken
CORRECT ANSWER IS: George Stibits
50. QUESTION: IBM 1401 is
A. First Generation computer B. Second Generation computer
C. Third Generation computer D. Fourth Generation computer
CORRECT ANSWER IS: Second Generation computer
