Definition of computer? • Computer is a calculating and electronic device that accept data and instructions as input and uses the instructions to process and transform data into information.
Parts of computer and their functions. • 1) 2) 3) 1) C. P. U. 2) Monitor 3) Mouse Functions: C. P. U= C. P. U. is the brain of computer. It controls the monitor. Monitor; Monitor is used to see different things which are in computer. Mouse; mouse is used to move the cursor bar and used to search many things which are loaded in computer.
Components of computer • Components of computer are Input device, System unit, and out put device Input device is are the devices that are used to provide input to a computer for processing some commonly input device are input devises are keyboard and mouse System input are three parts are i)M. U ii) A. L. U iii) C. U Out put device are the device that are used to display or print the results of data processing performed by a computer. Some commonly used output devices are i) V. D. U. ii) Printer
Hard ware and software • Hardware refers to does components of a computer that can be physically and touched Example are: - Printer, keyboard, mouse, and the chips , diodes, wires etc Software represent the set of program that make the computer work Example are : - Windows 98, MS Word, MS Power. Point etc
Applications of computer • Computer have became an integral part of our every day life. It is very difficult to imagine a world without them. Applications of computer lies in the i) High speed, Accuracy, versatility, consistency and large storage that characterize computer ii) Their ability to work non-stop without together.
Production • In production, computers are used to maintain a check on the quality of goods produced. Computers also helps maintain sufficient stocks of raw materials it ensure uninterrupted production.
Sales • The production plans of an organization are always based in its previous sales performances. Computers help an organization to analyse the past sales figures and the present market trends.
Education • Computers are being increasingly used to impart knowledge on a variety of topics in a systematic manner. Computer based learning (CBL) facilitates interactive learning sessions and breaks the monotony of classroom teaching. It also allows a student to learn and assimilate knowledge at a place suited to him/her. Moreover, with the growth of internet, extensive information on any topic has become easily accessible.