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GATE Computer Science (CS) 2018 Shift 1 Solved Paper

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Question : 53 of 65

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The instruction pipeline of a RISC processor has the following stages. Instruction Fetch (IF), Instruction Decode (ID), Operand Fetch (OF), Perform Operation (PO) and Writeback (WB). The IF, ID, OF and WB stages take 1 clock cycle each for every instruction. Consider a sequence of 100 instructions. In the PO stage, 40 instructions take 3 clock cycles each, 35 instructions take 2 clock cycles each, and the remaining 25 instructions take 1 clock cycle each. assume that there are no data hazards and no control hazards. The number of clock cycles required for completion of execution of the sequence of instructions is ____________.

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