Computer Fundamental 1000+ MCQ with answer for LIC AAO

1. Through which device the main components of the computer communicate with each other?
A. Keyboard
B. System Bus
C. Monitor
D. Memory
Answer : B

2. Which of the following is the first computer to use Stored Program Concept?
A. UNIVAC
B. ENIAC
C. EDSAC
D. None of above
Answer : C

3. What do you call the translator which takes assembly language program as input & produce machine language code as output?
A. Compiler
B. Interpreter
C. Debugger
D. Assembler
Answer : D

4. Which of the following is the coding of data so that is can't be easily understood if intercepted.
A. Barcode
B. Decoder
C. Encryption
D. Mnemonics
Answer : C

5. A memory that does not change its contents without external causes is known as
A. Dynamic memory
B. Static memory
C. RAM
D. EEPROM
Answer : B

6. A technique used by codes to convert an analog signal into a digital bit stream is known as
A. Pulse code modulation
B. Pulse stretcher
C. Query processing
D. Queue management
Answer : A

7. What was the expected feature of fifth generation computers when Japan started FGCS?
A. Operating Systems
B. Paralled Processing
C. ULSI
D. None of above
Answer : B

8. Another word for a daisy wheel printer
A. Petal printer
B. Golf ball printer
C. Laser printer
D. Line printer
Answer : B

9. Abacus was the first
A. electronic computer
B. mechanical computer
C. electronic calculator
D. mechanical calculator
Answer : D

10. 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

11. Which of the following is not a valid size of a Floppy Disk?
A. 8?
B. 5 ¼?
C. 3 ½?
D. 5 ½?
Answer : D

12. Which of the following does not store data permanently?
A. ROM
B. RAM
C. Floppy Disk
D. Hard Disk
Answer : B

13. Which device of computer operation dispenses with the use of the keyboard?
A. Joystick
B. Light pen
C. Mouse
D. Touch
Answer : C

14. You use a(n) ________, such as a keyboard or mouse, to input information
A. output device
B. input device
C. storage device
D. processing device
Answer : B

15. Computers with 80286 microprocessor is
A. XT computer
B. AT comptuers
C. PS/2 computer
D. None of above
Answer : B

16. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
A. ENIAC
B. MARK I
C. Z3
D. ABC
Answer : A

17. 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. Motherboard
B. Breadboard
C. Daughter board
D. Grandmother board
Answer : A

18. 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
Answer : C

19. The control unit of a microprocessor
A. Stores data in the memory
B. Accepts input data from keyboard
C. Performs arithmetic/logic function
D. None of above
Answer : D

20. Which of the following is a part of the Central Processing Unit?
A. Printer
B. Key board
C. Mouse
D. Arithmetic & Logic unit
Answer : D

21. Bit stands for
A. Binary digits
B. bit of system
C. a part of byte
D. All of above
Answer : A

22. The first general purpose electronic computer in the world was
A. UNIVAC
B. EDVAC
C. ENIAC
D. All of above
Answer : C

23. Which computer support co-processors?
A. XT computer
B. AT computers
C. None of these
D. Both of these
Answer : B

24. The storage subsystem in a microcomputer consists mainly of or media with varying capacities
A. Memory or video
B. Magnetic or optical
C. Optical or memory
D. Video or magnetic
Answer : B

25. What is a compiler?
A. A compiler does a conversion line by line as the program is run
B. A compiler converts the whole of a higher level program code into machine code in one step
C. A compiler is a general purpose language providing very efficient execution
D. None of the above
Answer : B

26. 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

27. Computer instructions written with the use of English words instead of binary machine code is called
A. Mnemonics
B. Symbolic code
C. Gray codes
D. Opcode
Answer : B

28. A physical connection between the microprocessor memory and other parts of the microcomputer is known as
A. Path
B. Route
C. Address bus
D. All of the above
Answer : C

29. 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

30. Which of the following is internal memory?
A. Disks
B. Pen Drives
C. RAM
D. CDs
Answer : C

31. The central processing unit (CPU) consists of
A. Input, output and processing
B. Control unit, primary storage, and secondary storage
C. Control unit, arithmetic-logic unit and primary storage
D. Control unit, processing, and primary storage
Answer : C

32. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
A. ASCII
B. EBCDIC
C. BCD
D. All of above
Answer : A

33. Which of the following memories has the shortest access times?
A. Cache memory
B. Magnetic bubble memory
C. Magnetic core memory
D. RAM
Answer : A

34. Which electronic component was made out of semiconductor material?
A. Vacuum tubes
B. Transistors
C. Ics
D. All of above
Answer : C

35. The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called:
A. robotics
B. simulation
C. computer forensics
D. animation
Answer : C

36. The first digital computer built with IC chips was known as
A. IBM 7090
B. Apple ? 1
C. IBM System / 360
D. VAX-10
Answer : C

37. The term computer' is derived from
A. Greek language
B. Sanskrit language
C. Latin language
D. German language
Answer : C

38. VDU is also called
A. Screen
B. Monitor
C. Both 1 & 2
D. printer
Answer : C

39. A device, which is not connected to CPU, is called as ________
A. land-line device
B. On-line device
C. Off-line device
D. Device
Answer : C

40. What is System Analysis?
A. The design of the screen the user will see and use to enter or display data
B. System analysis defines the format and type of data the program will use
C. System Analysis involves creating formal model of the problem to be solved
D. None of the above
Answer : C

41. Com in Latin is
A. intensifying prefix
B. intensifying suffix
C. a term that means to reckon
D. None of above
Answer : A

42. Multi user systems provided cost savings for small business because they use a single processing unit to link several
A. Personal computers
B. Workstations
C. Dumb terminals
D. Mainframes
Answer : C

43. Which computers are used as servers for any medium sized organizations?
A. Mainframe Computer
B. Mini Computers
C. Micro Computers
D. Super Computers
Answer : B

44. When was Apple Macintosh II microcomputer introduced in the market?
A. 1964
B. 1970
C. 1983
D. 1986
Answer : C

45. Which of the following machine was not invented by Charles Babbage?
A. Tabulating Machine
B. Analytical Engine
C. Difference Engine
D. Both C and D
Answer : D

46. Intel corporation produces chips for which computers?
A. IBM PCs
B. Apple/Macintosh PCs
C. Both of above
D. None of above
Answer : A

47. How many numbers could ENIAC store in its internal memory
A. 100
B. 20
C. 80
D. 40
Answer : B

48. Which of the following memories allows simultaneous read and write operations?
A. ROM
B. RAM
C. EPROM
D. None of above
Answer : B