What is the Computer? Definition of the Computer

Computer

A computer is an electronic device or machine that performs processes, calculations and operations based on instructions provided by software with hardware programs. It was invented to execute calculations and provides a variety of solutions by combining integrated hardware and software components.

What is the Computer? Definition of the Computer

Definition of the Computer

A computer is a programmer machine. The main two features of the computer are:
  1. It responds to a specific set of instructions in a well-defined way.
  2. It can be performed in advance to the pre-recorded list (program).
Charles Babbage is called "Grandfather" of the computer. Charles Babbage designed the first mechanical computer and it is called an analytical engine. It uses Read-only memory in the form of punch cards.

All common purposes computers require the following hardware components:

Memory: can save any program and data temporarily in a computer.

Mass Storage: allows a computer to store a large amount of data permanently in a computer. The public quality storage device includes a solid-state drive (SSD) or a disk drive and a tape drive.

Input Device: is usually the keyboard and mouse, the input devices send User's input to the CPU.

Output Device: is a display, printer or another device that allows you to see what is completing.

Central Processing Unit (CPU): is the heart of the computer, it is the component that executes the instructions actually.

In addition to these components, many others can make the basic components effectively.


A computer has two main categories:

Hardware:
The physical structure of a computer that is the computer's processor, memory, storage, communication parts and devices etc.

Software:
Including Operating Systems (OS) and Software Applications.

How Computer Works

The data is coming from the input device and sends it to the CPU via memory. The CPU is working based on the input data and program processing data installed in the computer memory. When the CPU completes the data processing, it will presented by the output device as the information. This information can be stored in a computer memory, or may be presented by an output device.

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