GATE | GATE-CS-2009 | Question 16

How many 32K x 1 RAM chips are needed to provide a memory capacity of 256K-bytes?
(A) 8
(B) 32
(C) 64
(D) 128


Answer: (C)

Explanation: We need 256 Kbytes, i.e., 256 x 1024 x 8 bits.
We have RAM chips of capacity 32 Kbits = 32 x 1024 bits.
(256 * 1024 * 8)/(32 * 1024) = 64

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