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Hardware Basics 0699

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Question
Answer
What is the Central Processing Unit?   The place in the computer where information is processed.  
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What is RAM?   Temporary memory that is designed to hold new data and is available only when the computer is turned on.  
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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.  
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What is an Anti-glare Filter?   Clear screens that fit over a computer monitor to reduce glare from overhead lights and large windows.  
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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.  
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The connection through which any device such as a printer or a scanner communicates with the computer is called what?   A port.  
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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.  
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What is offered within the computer by way of a computer hard disk drive, or hard drive?   Internal Storage  
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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.  
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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.  
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What is resolution?   This defines the clarity of the image that is seen on the computer screen.  
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What is a pixel?   This is a single colored square on the screen. When pixels are joined, the image can be viewed.  
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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.  
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What three parts make up the CPU?   1. The control unit. 2. The arithmetic logic unit. 3. The memory unit.  
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