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Hardware Basics051
| Question | Answer |
|---|---|
| CD-ROMs | Removable storage item which holds approximately 650 MB of information |
| CD-R | Allows the user to record data once for storage purposes. |
| CD-RW | Allows the user to record data and edit the information after disc creation. |
| Computer Case | provide a protective travel environment for the hardware is essential. |
| Computer Monitor | is the most common output device for displaying information. |
| Tablet Computers | are complete computer systems in a slate format. |
| Scanner | is an input device that is connect to the computer through a port connection. |
| Graphic Tablet | is an input device which teachers and students can draw on and transfer the drawings to the computer. |
| Web cam | a tiny camera that sits on the computer and feeds video directly into the computer. |
| PDA | personal digital assistant, small, potable tools allow the users to input handwritten notes on a small screen using a special pen or a tiny keyboard. |
| RAM | is a temporary memory that is designed to hold new data and is available only while computers are turned on. |
| CPU | central processing unit where information is processed. |
| ALU | arithmetic logic unit, is a sector of the CPU that performs the required mathematical calculation. |
| Bit | a single binary number: a zero or one. |
| Megabyte= ? kilobyte | 1024 kilobytes |