What is central processing unit?

Question

What is central processing unit?

Answer 1

In simple words CPU is the central processing unit. In computers all your jobs will be converted to machine instructions. These instructions will be fed to the processor in the form of hexadecimal code. These code will be executed by the processor one by one. It also manages other peripherals.

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Answer 2

Your chip, either built by AMD or Intel, inside your computer.  Basically it is a silicon wafer with etchings of transistors [billions of them] covered by another silicon wafer.  It does the processing of information allowing the computer and all its parts to do things.

Answer 3

CPU is the big thing (hardrive thingy) on a computer

Answer 4

The CPU is the part of a computer that executes instructions.

It fetches information from the memory, operates upon that information, and sends the result back to memory.