cmp3204p-alefela-221017185537-1AAAe0d4e01.pptx

ARIF

1. MY DETAILS NAMES : Ariful islam SURNAME : ARIF GENDER : MALE Institute :IMB Polytechnic Institute E-MAIL ADDRESS: [email protected] FACEBOOK ACCOUNT: Ariful islam

2. WHAT IS A COMPUTER? A computer is an electronic device that can accept data (input), process the data and produce the results (output). A computer can calculate and process large amounts of data in a fraction of the time it would take a normal person to do.

3. HOW COMPUTERS WORK? INPUT Keyboard PROCESSING CPU STORAGE Hard drive OUTPUT Printer/screen

4. INPUT An input device allows you to communicate with a computer. You can use input devices to enter information and issue commands. Examples: a keyboard, mouse, and joystick. KEYBOARD

5. PROCESSING(INSIDE THE COMPUTER’S CASE) The Central Processing Unit (CPU) is the main chip in a computer. The CPU processes instructions, performs calculation and manages the flow of information through a computer system. The CPU communicates with input, output and storage devices to perform tasks. CPU

6. STORAGE A storage device is used to save information. The computer uses stored information, to perform tasks. Examples: Hard drive, floppy drive, recordable CD-ROM drive, tape drive and DVD-ROM drive . HARD DRIVE

7. OUTPUT An output device allows a computer to communicate with you. These devices display information on a screen, create printed copies or generate sound. Examples: Monitor, printer and speakers. MONITOR