A central processing unit (CPU) is an important part of every computer. The CPU sends signals to control the other parts of the computer, almost like how a brain controls a body.
The CPU is an electronic machine that works on a list of computer things to do, called instructions. It reads the list of instructions and does (executes) each one in order. A list of instructions that a CPU can run is a computer program.
The clock rate, or speed of a CPU's internal parts, is measured in hertz (Hz). Modern processors often run so fast that gigahertz (GHz) is used instead. One GHz is one billion cycles per second.
Most Desktop Computers Used Intel & AMD Processors. The CPU contains internal memory units, which are called registers. These registers contain data, instructions, counters and addresses used in the ALU's information processing
There are two companies that dominate the processor market, and that is Intel and AMD. If you buy any computer, the chances are high that one of those two companies has manufactured your computer processor.
Manufacturing Companies
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