Multiple choice

How many RAM chips of size 256 K * 1 bit are required to build 1M byte memory?

  1. 8

  2. 10

  3. 24

  4. 32
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

1M byte = 1,048,576 bytes × 8 bits/byte = 8,388,608 bits total. Each 256K×1 chip provides 262,144 bits. Chips needed = 8,388,608 ÷ 262,144 = 32 chips. This provides both the required capacity (1M byte) and the data width (8 bits).

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