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Hardware Basics 0699

What is the Central Processing Unit? The place in the computer where information is processed.
What is RAM? Temporary memory that is designed to hold new data and is available only when the computer is turned on.
What is a Keyguard? Hard plastic covers with holes for each key. They prevent someone with unsteady fingers or someone who uses a pointing device from striking unwanted keys.
What is an Anti-glare Filter? Clear screens that fit over a computer monitor to reduce glare from overhead lights and large windows.
What is System Software? This tells a computer what to do and is a part of every computer system. Examples would be the Windows operating system and the Mac OS.
The connection through which any device such as a printer or a scanner communicates with the computer is called what? A port.
What can be connected to the computer through cables and allow large quantities of data to be moved from one physical location to another? External Hard Disk Drives.
What is offered within the computer by way of a computer hard disk drive, or hard drive? Internal Storage
What is a projector? These are data projection units that combine liquid crystal display units with a light source in order to show graphics on a wall.
What is a printer? An output device that outputs the data after it has been processed in what is called a hard copy, or a readable, permanent copy.
What is resolution? This defines the clarity of the image that is seen on the computer screen.
What is a pixel? This is a single colored square on the screen. When pixels are joined, the image can be viewed.
What is ROM? Permanent internal memory inside the system which is inaccessible to the user and is used to store the instructions that are installed or programmed at the manufacturer.
What three parts make up the CPU? 1. The control unit. 2. The arithmetic logic unit. 3. The memory unit.
Created by: ejbrk6