Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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The memory unit of a computer has 2M words of 32 bits each. The computer has an

instruction format with 4 fields: an opcode field; a mode field to specify 1 of 4 addressing

modes; a register address field to specify one of 9 registers; and a memory address field.

Assume an instruction is 32 bits long. Answer the following:

 

d) How large is the opcode field?

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