BTM 200 ( Questions And Answers) Verified 100% Correct!!

4 main things a computer does - It gathers data (or allows users to input data). It processes that data into information. It outputs data or information. It stores data and information. Data - is a representation of a fact, figure, or idea. Data can be a number, a word, a picture, or even a recording of sound. information - is data that has been organized or presented in a meaningful fashion. Binary digit - Everything a computer does is broken down into a series of 0s and 1s. Each 0 and 1 is a binary digit, or bit for short. byte - Eight binary digits (or bits) combine to create 1 byte. hardware - Any part of the computer you can touch. application software - the set of programs you use on a computer to help you carry out tasks. system software - the set of programs that enables your computer's hardware devices and application software to work together. Operating system - It manages the computer system's hardware. provides a means by which users can interact with the computer mainframe - Supports hundreds of users simultaneously supercomputer - Performs complex calculations rapidlyembedded - Self-contained computer performing dedicated functions input device - enables you to enter data (text, images and sounds) and instructions (user responses and commands) into the computer. Keyboards and mouse. Magnifier - Pulls up a magnification box that you can drag around the screen to enhance the viewing of hard-to-read images. This feature can be used by people with visual disabilities. customizable buttons - Extra buttons on the mouse can be programmed to perform the functions you use most often to help you speed through tasks. web search - Allows you to quickly highlight a word or phrase and then press the search button (on the mouse) to start a Web search. file storage - Includes a wireless USB receiver that contains flash memory to store or back up your files (for example, a USB drive). output devices - enable you to send processed data out of your computer. pictures and sound Soft copies - video, sound Hard copies - print LCD - Liquid crystal display LED - Light-emitting diode aspect ratio - The width-to-height proportion of a monitor.Contrast ratio - A measure of the difference in light intensity between the brightest white and the darkest black that the monitor can produce