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How many 16K * 4 RAMs are required to achieve a memory with a capacity of 64K and a word length of 8 bits?(a) 2(b) 4(c) 6(d) 8This question was addressed to me in my homework.This question is from Programmable Logic Array in chapter Memory Devices of Digital Circuits

Answer»

The correct answer is (d) 8

To explain I WOULD say: 16K * 4 = 64K RAM is of 64K. THEREFORE, for a word of length 8-bits,

 64 * 8 = 512K RAM required. Thus, number of 16K * 4 RAMS = 512/64 = 8.



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