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C2 Vocabulary0502
| Question | Answer |
|---|---|
| Central Processing Unit (UPU) | where the processing of the information takes place |
| Arithmetic Logic Unit (ALU) | the sector of the CPU that performs the mathematical calculations that are required in many data processing programs |
| Memory Unit | allows storage of information, is internal to the computer, and is divided into two types of memory |
| Bit | a binary character; the smallest unit of binary information |
| Byte | eight bits make one byte; it can represent one alphabetic or one numeric character of information |
| Processor Speed | expressed in megahertz, which equals one million cycles per second or gigahertz, which equals one billion cycles per second |
| Cache | provides a temporary storage area that provides a quick access to information |
| Peripheral Devices | inputs information, outputs information into a form that is easily read by the user, and stores the information for later use |
| Keyboard | offers the input of alphabetic and numeric information, as well as additional operational and input keys |
| Mouse Pad | allows good movement of the mouse, and comes in many trendy designs |
| Optical Character Recognition (OCR) | software that converts texts |
| Graphics Table | also connected to the computer through a port connection; teacher or student draws on the electronic tablet with a stylus to transfer the image to the computer |
| Digital Cameras | cameras that are capable of inputting data into a computer instead of onto film, and are common tools in teaching and learning across grade levels |
| Web Cam | a tiny camera that sits on (or is part of) a computer and feeds video directly into the computer |
| Personal Digital Assistant (PDA) | small, portable tools allow the user to input handwritten notes on a small screen using a special pen or a tiny keyboard.These notes can be downloaded into a computer for later use |