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What’s the computer??. computer is an electronic device that stores, processes, inputs, and outputs data to produce a result. Computer Components . It will be divided to…… . Hardware. Software. Computer . Hardware. Software. (. Physical . (Programs). components. ). Input . Output .
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What’s the computer?? • computer is an electronic device that stores, processes, inputs, and outputs data to produce a result
Computer Components • It will be divided to…… Hardware Software
Computer Hardware Software ( Physical (Programs) components ) Input Output Operating Processing Applications Devices devices systems Introduction
First: Hardware • Hardware is the physical components which you can see with your eyes, touch with your hand
Hardware: can be divided to…. Input Processing Output
Hardware • Input : keyboard, mouse • Processing • C.P.U • Brain of computer • Its speed measured in hertz • Memory : Computer has 2 memories • RAM: Random Access Memory • ROM: Read Only Memory • Storage Devices: • Internal storage device: hard disk. • External storage device: Flash Memory-floppy disk- CD Rom- DVD.
Second: Software • Software is the programs it can be divided to……….. Operating systems Applications
Operating Systems • First Program to load. • Controls Hardware And software. • Enable User to operate PC( Personal Computer) • Examples: • DOS: Disk Operating System • Windows: It’s a GUI (Graphical User Interface) System • GUI: is a system that uses graphics( icons, windows, mouse, pointer, colors) to operate pc. • Linux • Unix • Mac: Macintosh
Applications • Programs that perform a specific tasks such as……. • Antivirus • Windows Media Player • Microsoft office: • Word • Excel • Power point • Access
Windows Operating System • Windows Interface (1) Background (2) Icons (3)Taskbar
Desktop Icons • There are 5 main icons: • My documents • My computer • My Network places • Internet Explorer • Recycle Bin
1- Desktop (Display) Properties • Is used to change Background, Screen saver, Screen resolution. • Right Click on desktop →Properties
DialogBox Title bar 1-Right click on Desktop Tabs
1-Background From display properties select desktop tab Chooses Background Ok
2- Screen saver Choose screen saver Set Time Then press ok
settings • From settings you can change screen resolutions Drag this curser left and right Then press ok
System Properties • Right click on my computer → properties • From this Dialog box you can find out: 1-Type of operating system 2-Type of the processor (C.P.U) 3-Speed Of Processor 4-Size of RAM
Window Bars Title Bar Menu Bar Standard Button Bar Address Bar Task Pane Scroll Bar Status Bar
Explorer Window • You can get this window by: • Right click on the icon → explorer • Select the [Folders] icon on the toolbar • It contains two sides: • left hand pane (Folders pane) contains a ‘folders tree’, Showing how the drives and folders linked together. • right hand pane (Contents pane) shows the folders and files contained in the drive or folder currently selected in the Folders pane
Folders pane (Left pane) Contents pane (Right pane)