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Hardware Basics 0606
Question | Answer |
---|---|
Central Processing Unit (CPU) | Where the processing of the information takes place in the computer |
Random Access Memory (RAM) | A temporary memory that is designed to hold new data and is available only while the computer is turned on |
Megahertz (MHz) | What the processor speed in expressed in. It equals one million cycles per second |
Gigahertz (GHz) | What the processor speed is expressed in. It equals one billion cycles per second. |
Bit | The smallest unit of binary information |
Classroom Response System | A handheld device that resembles a TV remote that allows students to respond to questions posed by the instructor |
Monitor Size | Measured diagonally from corner to corner |
Resolution | Defines the clarity of the image that is seen on the computer screen |
Pixel | A single colored square on the screen |
Dots Per Inch (DPI) | How the resolution is measured in a printer |
Lumens | How the brightness of a data projection unit is measured |
Port | The opening that is used as the connection for a device, such as a printer or a scanner, to communicate with the computer system |
Application Software | Allows the computer to carry out specific functions such as word processing, creation of databases and spreadsheets |
Alternative Labels | Labels that are taped or glued to the top of frequently used keys on the standard keyboard |
Switches | Used as an alternative to a keyboard. Generally activated by one or two movements |