Q:

Why is a computer a powerful tool?

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Quick Answer

Computers are powerful tools because they can process information with incredible speed, accuracy and dependability. They can efficiently perform input, process, output and storage operations, and they can store massive amounts of data.

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Full Answer

Computers enable users to access information whenever necessary and to share information with other users. They allow people to use the Internet, which is a global network connecting millions of individuals, educational institutions, businesses and government agencies.

Through the Internet, users communicate with each other, search for helpful information, buy products and services, and access various types of entertainment. A widely used component of the Internet is the World Wide Web, which consists of numerous documents known as Web pages. These pages are composed of text, video, sound, graphics and other types of content.

Desktop computers typically comprise a system unit, input devices and output devices that fit on a table, whereas notebook computers are small, portable machines. Many people use desktop and notebook computers to access the Internet or accomplish tasks that require the use of application programs.

Computers that fit in the hand are called handheld computers. Midrange servers are bigger and more powerful than workstation computers. The quickest and most powerful type of computer is called a supercomputer. Another extremely efficient computer is the mainframe, which can simultaneously manage thousands of linked users.

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