Karteikarten
Revision
Karten in diesem Stapel (20)
- 1What does CPU stand for?Central Processing Unit
- 2What are the two main units in the CPU?The ALU and the CU
- 3What does ALU stand for?Arithmetic and Logic Unit
- 4What does CU stand for?Control Unit
- 5TRUE OR FALSE: The ALU controls the hardware and software in the computer.FALSE
The CU does that. The ALU performs calculations. - 6Clock speed is measured in _____?Hertz (Hz)
- 7What is clock speed?The speed of which the CPU completes instructions.
- 8TRUE OR FALSE: Cache memory is a high speed memory that makes the processing time faster.TRUE
- 9What does RAM stand for?Random Access Memory
- 10What does ROM stand for?Read Only Memory
- 11Which has volatile memory, ROM or RAM?RAM
- 12A video card is _____________a printed circuit board that outputs to a display screen.
- 13What is a motherboard?a circuit board that contains the main components of a computer, with connectors for the the other circuit boards to be connected to
- 14Name two types of printersinkjet printers and laser printers
- 15Which printer is best for printing text?Laser printers
- 16Name an advantage and a disadvantage of using laser printers.ADVANTAGE - prints quickly and quietly
DISADVANTAGE - very expensive - 17What is an input device?A device that transfers data into a computer.
- 18Name three input devices.Keyboard, Mouse, Microphone
- 19What is an output device?A device that shows the results of data processing
- 20Name an output device.Speakers
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- Beschreibung
- Karteikarten am Revision, erstellt von Naomi LS am 16/11/2014.
- Erstellt von
- Naomi LS
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