Q. 28 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:
