The CLC ISA ( a pretend ISA) is under development and in a state of flux. The CLC ISA uses a 40 bit RISC instruction word. The opcode portion will be either 6 or 7 bits, and the remaning bits will be for the operand. What would be the maximun number of instructions available in the CLC ISA 6 bit? What would be the Maximun number of instructions available in the CLC ISA 7 bit? One of the instructions will be an ADD IMMEDIATE where the operand will be an unsigned integer? What will be the latest integer value with a 6 bit operand? What will be the largest interger value with a 7 bit opcode?

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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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The CLC ISA ( a pretend ISA) is under development and in a state of flux.

The CLC ISA uses a 40 bit RISC instruction word. The opcode portion will be either 6 or 7 bits, and the remaning bits will be for the operand.

What would be the maximun number of instructions available in the CLC ISA 6 bit?

What would be the Maximun number of instructions available in the CLC ISA 7 bit?

One of the instructions will be an ADD IMMEDIATE where the operand will be an unsigned integer?

What will be the latest integer value with a 6 bit operand?

What will be the largest interger value with a 7 bit opcode?

 

Expert Solution
Step 1

Maximum number of instructions possible with n bits is given by

2n

Hence maximum number of instructions available in CLC ISA 6 bit is 26 = 64

Maximum number of instructions available in CLC ISA 7 bit is 27 = 128

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