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ISRO | ISRO CS 2009 | Question 33

  • Last Updated : 19 Nov, 2018

The microinstructions stored in the control memory of a processor have a width of 26 bits. Each microinstruction is divided into three fields. a micro operation field of 13 bits, a next address field (X), and a MUX select field (Y). There are 8 status bits in the inputs of the MUX. How many bits are there in the X and Y fields, and what is the size of the control memory in number of words
(A) 10, 3, 1024
(B) 8, 5, 256
(C) 5, 8, 2048
(D) 10, 3, 512

Answer: (A)

Explanation: Refer: GATE-CS-2004 | Question 66

Option (A) is correct.

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