Flashcards

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Naomi LS Inglês 20 flashcards

Flashcards do conjunto (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