What is A Computer ?
A computer is a programmable device that can store, retrieve, and process data. The term "computer" was originally given to humans (human computers) who performed numerical calculations using mechanical calculators, such as the abacus and slide rule. The term was later given to a mechanical device as they began replacing the human computers. Today's computers are electronic devices that accept data (input), process that data, produce output, and store (storage) the results.
Today, computers make jobs that used to be complicated much simpler. For example, you can write a letter in a word processor, edit it anytime, spell check, print copies, and send it to someone across the world in a matter of seconds. All these activities would have taken someone days, if not months, to do before. Also, these examples are a small fraction of what computers can do.
Types of Computer :
When talking about a computer or a "PC," you are usually referring to a desktop computer that you would find in a home or office. Today, however, the lines of what makes a computer are blurring. Below are all the different examples of what is considered a computer today.
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