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In the 21st century computers are widely used, especially since most people require the Internet to run their daily activities. Computers are essentially the electronic devices used to store and manipulate retrievable information which can be stored for long-term use. These apparatuses have been in use since the 19th century. Due to advances in technology and civilisation in society, the use of computers has escalated in the 21st century. People use computers for various reasons, and they value their use because of the advantages that the computer has. Several advances have been made during the development of computers which include reducing the size and improving speed and efficiency. The earliest computers, supercomputers, have been enormous and very slow, whereas current computers, laptops, are very small but very fast and effective. Computers have indeed evolved, and more discoveries are yet to be made with the trend of technological advances. Computers can be found in nearly all areas, i.e. education, healthcare, business, homes, among other fields. A computer uses for the basic functions cut across all fields and then function differences are field-specific. Computers are used to input and store information. Specific tasks are also carried out using computers such as performance monitoring, or office work. Computers are also used for entertainment, such as computer games, music-watching and listening. Computers are used to access internet information, which allows learning and communication.
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