write a short note on the following
1] Characteristic of computer
2] Application of computer
3] Storage devices
4] Computer networks
5] Input and Output units
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Answers
1. The characteristics of computers that have made them so powerful and universally useful are speed, accuracy, diligence, versatility and storage capacity. Let us discuss them briefly. Computers work at an incredible speed. A powerful computer is capable of performing about 3-4 million simple instructions per second.
2. Some of the application areas of computer are banking, education, industries, entertainments, hospitals, data processing etc. ... and also online education. Different types of entertainment fields such as multimedia, film making with animation, graphics, audio and visual design are done with the help of computer.
3. A storage device is a piece of computer hardware used for saving, carrying and pulling out data. It can keep and retain information short-term or long-term. It can be a device inside or outside a computer or server. Other terms for storage device is storage medium or storage media.
4. A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. ... They are identified by hostnames and network addresses.
5. An input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device
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