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What Is A Computer?
Introduction
Described in its simplest form, a computer takes information (or inputs), processes itaccording to a set of instructions (a program), and gives back a result (or output). In thisrespect, it is very similar to a calculator, but obviously somewhat more complex.The other key characteristic of a computer is that it is a multi-function platform. The samemachine can perform many different tasks by using different programs. So, one program(e.g., a word processing application) allows letters or documents to be created, while anotherprogram (e.g., a graphics or drawing application) allows images to be created.

Computers in Education

b2 Computers have many applications in education. They can act as a resource for students orteachers as they facilitate access to relevant information on the Internet and on CDROM/ DVD/Memory Stick/mp3 players, Mobile Phones etc. They allow students and teachers to prepare presentations, documents, images and so on. Furthermore, there are specific educational programs, usually containing multimedia and animation, which are designed to teach or support learning in specific subject areas. In fact, the ways in which computers are integrated depends entirely on the imagination of both teachers and students. Computer literacy is becoming a vital skill for all as we move further into this information age. Everyone involved in education has much to gain from the increased productivity that these machines can offer.
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Computer Key Components of a Computer Although computers come in many different shapes and sizes, they are all made up of the same basic components. In fact, all computers are remarkably similar to each other
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Input Devices – telling the computer what to do
Computers have input devices to allow the user to control the machine. Essentially, an inputdevice acts as a conduit for information from the user to the computer. It allows external information to be passed to the computer, which the computer then works with. Commonexamples of input devices include: • Keyboard
• Mouse

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