ISRO Computer Science (CSE) 2015 - Question 3

All ISRO Computer Science (CSE) papers | ISRO Computer Science (CSE) 2015

How many 32 K x 1 RAM chips are needed to provide a memory capacity of 256 K-bytes?

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

Answer: C. 64

Explanation: Total capacity = 256 KB = 256 * 1024 * 8 bits. Each chip = 32 * 1024 * 1 bits. Number of chips = (256 * 8) / 32 = 64.

| | All questions of ISRO Computer Science (CSE) 2015