CUET PG 2023 — Computer PYQ

Q: How do I solve CUET PG 2023 Computer questions?

Practice CUET PG 2023 Computer previous year questions with step-by-step solutions on Mathem Solvex. Each question includes a detailed explanation and video solution to help you master the concept quickly.

Q: What is the difficulty level of CUET PG Computer questions?

CUET PG Computer questions range from moderate to advanced difficulty. Consistent practice with official previous year papers and topic-wise drills on Mathem Solvex is the most effective preparation strategy.

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Question

CUET PG 2023 — Computer PYQ

CUET PG | Computer | 2023

A RAM chip has a capacity of 1024 words of 8 bits each (1k× 8) The number of 2×4 decoders with enable line needed to construct a 16k ×16 RAM from 1k ×8 RAM is

Choose the correct answer:

Explanation

RAM chip size = 1k x 8 [1024 words of 8 bits each]
RAM to construct = 16k x 16
Number of chips required = 16k x 16 / 1k x 8 = 16x2 [16 chips vertically with each having 2 chips horizontally]
So to select one chip out of 16 vertical chips, we need 4 x 16 decoder.
Available decoder is - 2 x 4 decoder
To be constructed is 4 x 16 decoder

So we need 5, 2 x 4 decoder in total to construct 4 x 16 decoder.