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Computer Architecture208010 marksInstruction Format

Explain the instruction format of basic computer. Write down symbolic representation for FETCH routine.

Explain the instruction format of basic computer. Write down symbolic representation for FETCH routine.[10]

The basic computer has three instruction code formats, each consisting of a total of 16 bits. --- Field Bits Size Purpose ---------------------------- I (Mode bit) 15 1 bit Addressing mode (0 = Direct, 1 = Indirect) Opcode 12 - 14 3 bits Specifies the operation to be performed Address / Operand 0...

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