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PRESENTATION ON COMPUTER. [image]. SUBMITTED BY – ANUBHAV KUMAR.

CONTENT. Introduction. Classification Of Computer.

(1) : INTRODUCTION. The term computer is derived from the word compute. A computer is an electronic device that takes data and instruction as an input from the user, process data, and provide useful information known as output. This cycle of operation of a computer is known as the input-process-output cycle..

(2) : CLASSIFICATION OF COMPUTER. Computer is classified into several categories depending on their computing ability and processing speed.

MICROCOMPUTER. A Microcomputer is generally defined as computer based on a microprocessor . The microcomputer is also called a personal computer . They are used in almost all home and workplace . EXAMPLE: Laptop , Desktop , Tablets , Gaming consoles..

MINICOMPUTER. A minicomputer is a medium-sized computer that is more powerful than the microcomputer . But less powerful than a mainframe computer. A minicomputer is a multi-users computer that can support many users at the same time and is commonly used in small to medium organization. Example: PDP-11 (By Digital Equipment Corporation- DEC ), VAX series(DEC) , HP 3000 , Data General Nova ..

MAINFRAME COMPUTER. A mainframe computer is a very powerful, large computer used by big organization to process huge amount of data and support thousands of users at the same time. Mainframe computer is high-speed transactions, and reliable performance, often running 24/7. EXAMPLE: IBM System z , IBM Z15 , IBM Z16..

SUPER COMPUTER. Supercomputer are the most powerful and the expensive computer available. Supercomputers are primarily used for complex scientific application . A supercomputer is a computer that can process billions and trillions of calculations per second . EXAMPLE: FRONTIER (USA) , FUGAKU (JAPAN) , PARAM SIDDHI-AI (INDIA) , CRAY SUPERCOMPUTERS..

(3) : HARDWARE. The electronic device is known as hardware. Computer Hardware is the physical part of the computer system , the machinery and equipment. Computer Hardware is the collection of all tangible (physical) devices that makes up a computer system. EXAMPLE: INPUT DEVICES: Keyboard, mouse, scanner. OUTPUT DEVICES: Monitor, printer, speakers. PROCESSING DEVICES: CPU STORAGE DEVICES: Hard disk, pen derive, Ram..

(4) : SOFTWARE. Software is a collection of programs, procedures, and instructions that tells a computers how to performs specific tasks. It controls the working of computer hardware and enables users to carry out different activities such as typing documents, browsing the internet, or playing games. EXAMPLE: SYSTEM SOFTWARE : Windows, Linux ,macOS. APPLICATION SOFWARE: MS Word, Excel, PowerPoint. UTILITY SOFTWARE: Antivirus, Disk Cleanup tools.

(5) : INPUT DEVICES. Input device captures information and translates it into a form that can be processed and used by other part of your computer . Input devices is a physical part of a computer. EXAMPLE: KEYBOARD: Used to type text and number. MOUSE: Used to point ,click , and select. WEBCAM: Used to input image and videos..

(6) : OUTPUT DEVICES. Output devices take information within your computer and present it to you in a form that you can understand. EXAMPLE: MONITOR: DISPLAY TEXT, IMAGES AND VIDEOS PRINTER: Produces output on paper. SPEAKERS: Produces sound output. PROJECTOR: Display output on large screen..

( 7) :USAGE OF COMPUTER. Computer is the best companion of our daily life..

(8) : SOME IMPORTANT FILE EXTENSIONS. .docx : Microsoft Word Document .pptx : PowerPoint Presentation .bmp : Bitmap Image .jpg : JPEG Images .wav : WAVE Audio.