Differenciate between RISC and CISC.
CISC Computer | RISC Computer |
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The acronym is variously used. If it reads as above (i.e. as CISC computer), it means a computer that has a Complex Instruction Set Chip as its cpu. It is also referred to as CISC computing. It is sometimes called a CISC “chip”. This could have a tautology in the last two words, but it can be overcome by thinking of it as a Complex Instruction Set Computer chip. |
The acronym is variously used. If it reads as above (i.e. as RISC computer), it means a computer that has a Reduced Instruction Set Chip as its cpu. It is also referred to as RISC computing. It is sometimes called a RISC “chip”. This could have a tautology in the last two words, but it can be overcome by thinking of it as Reduced Instruction Set Computer chip. |
CISC chips have an increasing number of components and an ever increasing instruction set and so are always slower and less powerful at executing “common” instructions | RISC chips have fewer components and a smaller instruction set, allowing faster accessing of “common” instructions |
CISC chips execute an instruction in two to ten machine cycles | RISC chips execute an instruction in one machine cycle |
CISC chips do all of the processing themselves | RISC chips distribute some of their processing to other chips |
CISC chips are more common in computers that have a wider range of instructions to execute | RISC chips are finding their way into components that need faster processing of a limited number of instructions, such as printers and games machines |
More..
Difference Between RISC and CISC Computer |
Examples
Computational Difference
Execution Time of RISC and CISC |
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