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Abbreviate CISC and RISC.

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Abbreviate CISC and RISC.

(a) Complete Instruction Set Computer, Reduced Instruction Set Computer

(b) Complex Instruction Set Computer, Reduced Instruction Set Computer

(c) Complex Instruction Set Computer, Reliable Instruction Set Computer

(d) Complete Instruction Set Computer, Reliable Instruction Set Computer

I had been asked this question during an online exam.

The above asked question is from Introduction to Microcontroller topic in section Microcontroller Basics of Microcontroller

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The correct option is (b) Complex Instruction Set Computer, Reduced Instruction Set Computer

Best explanation: CISC means Complete Instruction Set Computer because in this a microcontroller has an instruction set that supports many addressing modes for the arithmetic and logical instructions, data transfer and memory accesses instructions. RISC means Reduced Instruction Set Computer because here a microcontroller has an instruction set that supports fewer addressing modes for the arithmetic and logical instructions and for data transfer instructions.

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