RINGKASAN “INTRODUCTION TO COMPUTER HARDWARE”

RINGKASAN

“INTRODUCTION

 TO COMPUTER HARDWARE”

Desktop PC: The original design for a home computer.

Tower PC     : In catalogs, the word desktop is sometimes used as a name for both the  flat design style pictured above and the tower design.

Monitor          :The screen video card sends signals out to your monitor. The information your video card sends controls which dots are lit up and how bright they are, which determines the picture you see.

Keyboard:    main input device for most computers. There are many sets of keys  on a typical “windows” keyboard.

Mouse:         An input device that allows the user to “point and click” or “drag and drop”.  Common functions are pointing, clicking and scrolling.

Mother Board: The main circuit board inside the computer. All the main parts of the PC plug into the motherboard to share data.

Processor  (CPU): The chip that performs the majority of calculations and instructions needed  to make your computer run.

Memory (RAM): (Random Access Memory) to make Fast computer chips that temporarily  store information while a PC is in use.

Hard Drive: The main storage area inside. The hard disk or hard drive stores your computer's operating system, the programs that are installed on your computer, and most of your files.

Ø  Bit

Ø  Byte.

Ø  Kilobyte (KB)

Ø  Megabyte (MB)

Ø  Gigabyte (GB)

Floppy Disk: Square holding a flexible magnetic disc that holds information or data.

CD-ROM:      (Compact Disk Read-Only Memory) are a removable disk which can store large amounts of information. Because it is Read-Only, new information cannot be saved to it.

Sound Card:Device can reproduce almost any sound, including music, speech, and sound  effects. can attach speakers and/or microphone.

Modem:       A device that translates data from your PC into a form that can be sent to other computers over regular phone lines. use to connect to the Internet.