GATE CS 2020 — Question 38

Numerical answer 2 marks Question 38 2020

Question 38

NAT 2 marks · no negative Computer Organization and Architecture

A processor has 64 registers and uses 16-bit instruction format. It has two types of instructions: I-type and R-type. Each I-type instruction contains an opcode, a register name, and a 4-bit immediate value. Each R-type instruction contains an opcode and two register names. If there are 8 distinct I-type opcodes, then the maximum number of distinct R-type opcodes is ______.

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Where this question comes from

Source: GATE 2020 Computer Science and Information Technology (question number approximate)