The key operational concept of the RISC computer is that each instruction performs only one function (e.g. The goal is to offset the need to process more instructions by increasing the speed of each instruction, in particular by implementing an instruction pipeline, which may be simpler given simpler instructions.
Compared to the instructions given to a complex instruction set computer (CISC), a RISC computer might require more instructions (more code) in order to accomplish a task because the individual instructions are written in simpler code. In computer engineering, a reduced instruction set computer ( RISC) is a computer designed to simplify the individual instructions given to the computer to accomplish tasks. The Sun Microsystems UltraSPARC processor is a type of RISC microprocessor.
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