GATE EC 2015 Set 1 — Question 25
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Question
A memory array is designed as a square with an aspect ratio of one (number of rows is equal to the number of columns). The minimum number of address lines needed for the row decoder is _______.
Correct answer
7 to 7
Solution
Given a memory array of bits. Since it is a square array with an aspect ratio of one, the number of rows () equals the number of columns ().The number of rows is , which can be expressed as . Therefore, the number of address lines required for the row decoder is .
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