computer
DESCRIPTION
Computer. Basics. What is a “ PC ”?. A “” PC ” is a P ersonal C omputer. PC’s are portable and used by you. There are four basics parts or components usually called Hardware : CPU Monitor Keyboard Mouse. C entral P rocessing U nit. - PowerPoint PPT PresentationTRANSCRIPT
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ComputerComputerBasicsBasics
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• A “”PCPC” is a PPersonal CComputer. PC’s are portable and used by you.
• There are four basics parts or components usually called Hardware:
CPU Monitor Keyboard Mouse
What is a “PCPC”?
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CCentral PProcessing UUnit• The CCentral
PProcessing UUnit also called the CPUCPU is the “brain” of your computer.
• It has memory, power supply and other peripheral components.
• It reads, stores, and manages information with the help of CD-ROM disks.
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Disk Drives• A component of the
CPU that reads and writes data onto a disk.
• Disk drives can be internal or external.
• Disk drives rotate very fast and use one or more heads that reads and writes data.
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Monitor• Displays the text and
graphics generated by the computer.
• The color monitor is the more commonly used monitor.
• Color monitors can display anywhere from 16 to 1 million colors.
• VGA, SVGA, and XGA determine the type of resolution they accept.
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• A set of typewriter-like keys that enables you to enter data into the computer.
• Computer keyboards are similar to electric typewriter keyboards but contain additional keys.
Keyboard
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Keyboard: additional keysEscape Tab Function Keys
ControlAlt
Windows
Enter
Arrows Numerical Keypad
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• A device that controls the movement of the cursor or pointer on a display screen.
• A small object that rolls along a hard, flat surface.
Mouse
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• A printer is an output device that prints a paper copy of what you see on screen or monitor.
• There are three types:• Laser• Ink Jet• Dot Matrix
Printer
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A computer has some devices to save data and information.
There are two types: Short Term: RAM
Long Term:CD, DVD, Hard Drive, Floppy Disk, ZIP Disk, Flash Cards, and USB Drive
Data Storage
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System software or OOperating SSystem: Windows, Linux, Solaris, etc.
Applications software: Word, Excel, Access, PowerPoint, etc.
SoftwareSoftwareSoftware is the name for the programsprograms that gives instructionsinstructions to your computer. There are two types:
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Public Training ClassesPublic Training Classes Free demonstrations are given at Central
Library and select branches!
Pick up the Houston Public Library’s Calendar of Events.
For more information Call (832) 393-1313, or visit http://www.houstonlibrary.org