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C2 Vocabulary 0318
Vocabulary from Chapter 2
| Question | Answer |
|---|---|
| Pixel | A single colored square on the screen. Images can be viewed when pixels are joined |
| Lumens | How the brightness of a projector is measured. |
| Megahertz | How the processor speed is measured. One million cycles per second. |
| RAM | Temporary memory that is designed to hold new data and is available only while the computer is turned on. |
| ROM | Permanent internal memory inside the system, is inaccessible by the user, and is used to store the instructions that are installed or programmed by the manufacturer. |
| Parallel port | Developed by IBM and are used to connect a computer to a printer. |
| Sound card | Allows the input of sound into the computer. Is connected to ports on the computer. |
| Resolution | Defines the clarity of the image that is seen on the computer screen. |
| Terabyte | Equal to 1,024 gigabytes or approximately a trillion keyboard characters of information. |
| Cache | Provides a temporary storage area that provides a quick access to information. |
| Transparency | Thin sheets of transparent plastic, for use with overhead projectors. |
| Hard copy | The readable data a printer outputs. |
| Hard disk drive | Holds large amounts of information on circular disks called platters |
| Bit | A binary character, is the smallest unit of binary information |
| Port | Opening in a computer which allows devices to connect to and communicate with the computer |