Application Software, It is also called programs,has a specific use or task to perform such as AutoCAD for Architectural drawings and layouts, Lotus 1-2-3 for business and marketing,, Operating System Software, It is a software provides various levels of interaction (called interface) between the computer and the user, as well as between the computer and the application software., Software, It is the set of programs, procedures, and related documentation associated with a computer system., System Unit, The main part of a microcomputer, is sometimes called the chassis., Hardware, The physical equipment that makes up the computer system. It is divided into system hardwareand peripherals., Central ProcessingUnit (CPU), The brain of the computer where most of the “computing” takes place., Monitor, It has a screen that displays information, such as the instruction you send to your computer and the information and results your computer sends back after interpreting your instruction., Keyboard, The principal device for communicating with your computer., Optical Drive, It is a storage device that uses lasers to read data on the optical media., Hard Disk Drive (HDD), It is a magnetic storage device that is installedinside the computer.

Drafting 10 Module 3-L1: Operating CAD Software and Computer Hardware

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