Computer
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How does a Computer work?
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Ever wondered how the computer works? Here’s how.
A computer is a machine (hardware) that receives and processes data according to the instructions given to it, and after the data has been processed, the results of the processing are usually sent to an output device.
The input devices for feeding the computer with data and instructions can be a keyboard, mouse, scanner, or may be generated internally from ‘applications’ stored as programmed instructions (software). The processing of the data is done by the central processing unit (CPU), which is the heart of the computer. The output devices can be a screen (monitor), printer, plotter, speakers, ports, or another computer.
CPU
A CPU is on a chip called a microprocessor (about 1 inch square in size). This is basically your Intel pentium chip. Often referred to as the brains of a computer, the CPU handles most of the operations that are required of the computer by processing instructions and sending signals out, checking for connectivity, and ensuring that operations and hardware are functioning properly. It acts as a messenger to major components such as RAM, the monitor, and disk drives.