Computer Basics. PCP C A PC is a Personal Computer. PCs are portable and used by you. There are four...
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Transcript of Computer Basics. PCP C A PC is a Personal Computer. PCs are portable and used by you. There are four...
ComputerComputer
BasicsBasics
• 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”?
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.
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.
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.
• 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
Keyboard: additional keys
Escape Tab Function Keys
ControlAlt
Windows
Enter
Arrows Numerical Keypad
• 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
• 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
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
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:
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