Stands for “Complex Instruction Set Computer” CISC happens to be the conventional within the most of computers nowadays that facilitates as much as 200 directions.

Several methods previously connected simply with RISC chips are used by present day CISC chips.They are a large set of computer instructions that range from very simple to very complex and specialized.

Some designs have been regarded as borderline cases by some writers. For instance, the Microchip Technology PIC has been labeled RISC in some circles and CISC in others and the 6502 and 6809 have both been described as “RISC-like”, although they have complex addressing modes as well as arithmetic instructions that access memory, contrary to the RISC-principles.

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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.