computer hardware and software Model Questions & Answers, Practice Test for ibps po mains

Question :1

Software designed for a specific purpose/ application such as pay calculations, processing of examination result, etc are known as

Answer: (c)

Question :2

When CPU is executing a Program that is part of the Operating System, it is said to be in _____.

Answer: (d)

Question :3

How many 32 k × 1 RAM chips are needed to provide a memory capacity of 256 kbyte?

Answer: (c)

As given, basic RAM is 32 k × 1 and we have to design a RAM of 256 k × 8.

Therefore, number of chips required

= 256 k × 8/(32 k × 1) = 245 × 1024 × 8/32 × 1024 × 1)

(Multiplying and dividing by 1024)

= 64 = 8 × 8

Means, 64 = 8 parallel lines × 8 serial RAM chips.

Question :4

In computers, subtraction is carried out generally by____.

Answer: (d)

Question :5

Utility programs include

Answer: (d)

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