How many 32K × 1 RAM chips are needed to provide a memory capacity of 256…

2015

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

Answer: D. 64 — Each chip capacity = 32K × 1-bit. Needed memory capacity = 256 Kbytes = 256K × 8 bits. Number of chips needed = (256K × 8) / (32K × 1) = 64.

A.
8
B.
128
C.
32
D.
64

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Correct answer: D

Each chip capacity = 32K × 1-bit.

Needed memory capacity = 256 Kbytes = 256K × 8 bits.

Number of chips needed = (256K × 8) / (32K × 1) = 64.

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