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What is RISC ? Explain the important characteristics of RISC.

Tags: education, explain, science
Asked by Pravash Jha, 02 Jun '10 12:47 pm
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Answers (2)


Reduced instruction set computing, or RISC , is a CPU design strategy based on the insight that simplified instructions can provide higher performance if this simplicity enables much faster execution of each instruction. A computer based on this strategy is a reduced instruction set computer (also RISC). There are many proposals for precise definitions[1], but the term is slowly being replaced by the more descriptive load-store architecture. Well known RISC families include DEC Alpha, AMD 29k, ARC, ARM, Atmel AVR, MIPS, PA-RISC, Power (including PowerPC), SuperH, and SPARC.
Typical characteristics of RISC
For any given level of general performance, a RISC chip will typically have far fewer transistors dedicated to the core logic which originally allowed designers to increase the size of the register set and increase internal parallelism.

Other features, which are typically found in RISC architectures are:

Uniform instruction format, using a single word with the opcode in the sa ...more
Answered by Pardeep kapoor, 02 Jun '10 12:53 pm

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A RISC (reduced instruction set computer) is a microprocessor that is designed to perform a smaller number of types of computer instruction
Answered by Arshad Khan, 02 Jun '10 12:49 pm

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