Computer Science General Knowledge Questions and Answers – Section 12

Q1. Abacus was the first
A. electronic computer
B. mechanical computer
C. electronic calculator
D. mechanical calculator

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Answer: mechanical calculator

Q2. 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

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Answer: 65,536

Q3. Instructions and memory address are represented by
A. Character code
B. Binary codes
C. Binary word
D. Parity bit

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Answer: Binary codes

Q4. 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

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Answer: POS terminal

Q5. A set of flip flops integrated together is called ____
A. Counter
B. Adder
C. Register
D. None of the above

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Answer: Register

Q6. People often call ______ as the brain of computer system
A. Control Unit
B. Arithmetic Logic Unit
C. Central Processing Unit
D. Storage Unit

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Answer: Central Processing Unit

Q7. Which is used for manufacturing chips?
A. Bus
B. Control unit
C. Semiconductors
D. A and b only

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Answer: Semiconductors

Q8. The value of each bead in heaven is
A. 1
B. 3
C. 5
D. 7

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Answer: 5

Q9. The first computer introduced in Nepal was
A. IBM 1400
B. IBM 1401
C. IBM 1402
D. IBM1402

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Answer: IBM 1401

Q10. 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

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Answer: Assembly language