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Learn RAILWAY MCQs with answers [Page 1 of Department 113]

R

Ram Sharma • 178.09K Points
Coach

1) Particulates (< 1 µm size) remaining suspended in air indefinitely & transported by wind currents are called

(A) Fumes
(B) Mists
(C) Smoke
(D) Aerosols
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 178.09K Points
Coach

2) Nuclear energy is a mineral based energy source. It is derived from

(A) plutonium
(B) uranium
(C) thorium
(D) All of the above
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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M

Mr. Dubey • 51.17K Points
Coach

3) The central processor of a modern digital computer consists of

(A) control unit
(B) primary memory
(C) control unit and primary memory
(D) All of the above
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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M

Mr. Dubey • 51.17K Points
Coach

4) Fifth generation computers are likely to exhibit

(A) artificial intelligence
(B) heuristic behaviour
(C) advanced parallel processing
(D) All of the above
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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M

Mr. Dubey • 51.17K Points
Coach

5) A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?

(A) Mass Memory
(B) Main memory
(C) Logic unit
(D) Arithmetic unit
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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M

Mr. Dubey • 51.17K Points
Coach

6) The transistorized computer circuits were introduced in the

(A) First generation
(B) Second generation
(C) Third generation
(D) Fourth generation
Correct Answer - Option (B)

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M

Mr. Dubey • 51.17K Points
Coach

7) The memory sizes in mainframe computers and advanced technology micro computers are expressed as

(A) Bytes
(B) Kilo-bytes
(C) Bits
(D) Megabytes
Correct Answer - Option (D)

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M

Mr. Dubey • 51.17K Points
Coach

8) A memory bus is mainly used for communication between

(A) processor and memory
(B) processor and I/O devices
(C) I/O devices and memory
(D) input device and output device
Correct Answer - Option (A)

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M

Mr. Dubey • 51.17K Points
Coach

9) An AND gate

(A) implements logic addition
(B) is equivalent to a series switching circuit
(C) is an any or all gate
(D) is equivalent to a parallel switching circuit
Correct Answer - Option (B)

Explanation :
The AND gate is a basic digital logic gate that implements logical conjunction - it behaves according to the truth table to the right. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If none or not all inputs to the AND gate are HIGH, a LOW output results.

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M

Mr. Dubey • 51.17K Points
Coach

10) The daily processing of corrections to customer accounts best exemplifies the processing mode of:

(A) Batch processing
(B) Real-time processing
(C) Time-sharing
(D) Offline processing
Correct Answer - Option (A)

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