Computer Courses in Chandigarh
What is a computer in detail ? Computer. A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.
What is a computer in short ? Computer definition. An electronic device that stores and manipulates information. Unlike a calculator, it is able to store a program and retrieve information from its memory. Most computers today are digital, which means they perform operations with quantities represented electronically as digits.
What are the two main types of computers ? At the moment there are two main types of desktop computer available: the Mac (made by Apple Computers) and the PC. Mac is short for Macintosh - it is usually distinguished by its stylish looks and bright colours. The latest operating system for the Apple Mac (in 2002) is OS X.
What is the mainframe computer ? Mainframe computers (colloquially referred to as "big iron") are computers used primarily by large organizations for critical applications bulk data processing, such as census, industry and consumer statistics, enterprise resource planning and transaction processing.
What are the generation of computers ? ● 1940 – 1956: First Generation – Vacuum Tubes. These early computers used vacuum tubes as circuitry and magnetic drums for memory. ● 1956 – 1963: Second Generation – Transistors. ● 1964 – 1971: Third Generation – Integrated Circuits. ● 1972 – 2010: Fourth Generation – Microprocessors.
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