computer parts and terminology. input input –information that is entered into a computer examples...
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Computer Parts and Terminology
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INPUT
• Input– Information that is
entered into a computer
• Examples– Keyboard: – Mouse– Digital camera– scanner
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Keyboard
• Probably the most used input device
• Operates a lot like a typewriter but has many additional keys that let it do special things a typewriter can’t.
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Mouse
A special input device
• single click is a light tap on one of the buttons on the mouse. You do not want to hit the mouse too hard or hold down a button for too long.
• double click is two quick light taps on one of the buttons on the mouse. A double click must be very quick, or it will not work.
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Mouse Cont’d
• The mouse gives you the option of moving things around on the desktop or in any window on the screen.
• Left button– Single click to open programs and files– Single click to open links in the Internet– Double click to open folders and icons on the desktop– Drag windows and objects on the screen. You have to
hold the left button down while dragging.
• Right button– Shortcut to menu options
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OUTPUT
• Output– Information that
come out of the computer after it has been processed
• Examples– Printer– Monitor– speakers
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Monitor
• A device similar to a television set that accepts video signals for a computer and displays the information on its screen
• You can turn off the monitor without harming the computer
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Printers
• Output devices that allow you to hold a hard copy of your processed information.
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Storage
• Where processed information is stored
• Examples– CD and DVD– Flash Drives– Hard Drives– Memory Cards
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Hard Drive
• Primary storage area within your computer
• The higher the number attaches the more storage you have for programs and files.
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Processing
• When inputted information is handled by the computers brain (CPU)
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CPU
• Stands for:– Central Processing
Unit
• Brains of the Computer
• Responsible for everything your PC does
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Desktop
• The first screen you see when you turn on your computer.
• Where you can access all your applications, files, and folders.
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ICONS
• Visual representations of an object or program on your hard drive
• Example– Blue “e” on your
screen usually represents the Internet Explorer program
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Taskbar
• Found across the bottom of your screen and used to start and control applications
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Start Button and Menu
• Start Button– Is located at the left
hand side of the screen.
– Gives you access to all the applications available on your computer
• Start Menu– Used to open
programs that are available
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Windows• Basic Components of a Window
– Title Bar: Tells you what function or program you are in.
– Menu Bar: Contains all the commands and functions for that window.
– Tool Bar: Contains shortcuts to some of the commands available in the Menu Bar.
– Scroll Bar: Allows you to move the window up and down or side-to-side to see everything in the window.
• Other things you’ll see in the window:– Minimize button: This places the
window on the taskbar without closing the program. To open the window again, click on it from the taskbar.
– Maximize button: This makes the window full-sized. At this point, the window should fill the entire screen.
– Restore button: You see this button when you have a window maximized .Clicking on this button will restore the window back to its regular size.
– Close button: this button closes the window.
Title Bar
Menu BarTool Bar
Scroll Bar