Fundamental of Computer MCQ Set-3

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Fundamental of Computer

1. Abacus was the first
A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator

2. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64K
D) Any of the above

3. Instructions and memory address are represented by
A) Character code
B) Binary codes
C) Binary word
D) Parity bit

4. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
A) Data collection terminal
B) OCR register terminal
C) Video Display terminal
D) POS terminal

5. A set of flip flops integrated together is called ____
A) Counter
B) Adder
C) Register
D) None of the above

6. People often call ______ as the brain of computer system
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Storage Unit

7. Which is used for manufacturing chips?
A) Bus
B) Control unit
C) Semiconductors
D) A and b only

8. The value of each bead in heaven is
A) 1
B) 3
C) 5
D) 7

9. The first computer introduced in Nepal was
A) IBM 1400
B) IBM 1401
C) IBM 1402
D) IBM1402

10. Mnemonic a memory trick is used in which of the following language?
A) Machine language
B) Assembly language
C) High level language
D) None of above

11. Instruction in computer languages consists of
A) OPCODE
B) OPERAND
C) Both of above
D) None of above

12. Which generation of computer is still under development
A) Fourth Generation
B) Fifth Generation
C) Sixth Generation
D) Seventh Generation

13. A register organized to allow to move left or right operations is called a ____
A) Counter
B) Loader
C) Adder
D) Shift register

14. Which was the most popular first generation computer?
A) IBM 1650
B) IBM 360
C) IBM 1130
D) IBM 2700

15. Which is considered a direct entry input device?
A) Optical scanner
B) Mouse and digitizer
C) Light pen
D) All of the above

16. A set of information that defines the status of resources allocated to a process is
A) Process control
B) ALU
C) Register Unit
D) Process description

17. Each set of Napier’s bones consisted of ______ rods.
A) 5
B) 9
C) 11
D) 13

18. BCD is
A) Binary Coded Decimal
B) Bit Coded Decimal
C) Binary Coded Digit
D) Bit Coded Digit

19. When was the world’s first laptop computer introduced in the market and by whom?
A) Hewlett-Packard, 1980
B) Epson, 1981
C) Laplink Traveling Software Inc, 1982
D) Tandy Model-200, 1985

20. From which generation operating systems were developed?
A) First
B) Second
C) Third
D) Fourth

21. 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

22. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
A) 10
B) 11
C) 8
D) 12

23. Properly arranged data is called
A) Field
B) Words
C) Information
D) File

24. A computer consists of
A) A central processing unit
B) A memory
C) Input and output unit
D) All of the above

 

25. Why are vacuum tubes also called valves?
A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above

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