: Reduced-Instruction-Set Computer
RISC (Reduced-Instruction-Set Computer) is a design approach for microprocessors and microcontrollers, originally developed at IBM, which employs relatively simple instructions that usually execute in one cloc k cycle. This approach results in a faster, simpler processor design that uses fewer transistors. However, a program written using RISC instructions requires more instructions to perform a task as compared to a program written using CISC (Complex-Instruction-Set Computer) instructions.
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