Flashcards
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Cards in this deck (14)
- 1What is the purpose of the CPU?To fetch, decode and execute instructions.
- 2Describe what is meant by 'quad core'.The device has four CPUs.
- 3Describe what is meant by '3MHz'.The device has a CPU that can process 3 million instructions a second.
- 4State an input device in a computer.Mouse
Keyboard
Scanner
Microphone - 5State an output device in a computer.Screen
Printer
speakers - 6State a secondary storage device.Flashdrive
CDR
DVD
Floppy disk - 7What does Volatile mean?Volatile means the memory is temporary. when the power is turned off ,all the data is lost.
- 8What does RAM stand for?Random access memory.
- 9What is the denary value 64 in 8 bit binary?01000000
- 10Convert the following hexadecimal value 3A to 8 bit binary.00111010
- 11Name a piece of computer hardware.Keyboard
Mouse
Monitor - 12Name a piece of computer software.Operating system
presentation software - 13Give an example of an embedded system in a car.Indicator
Headlights
Air conditioning
Radio - 14—
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- Flashcards on Untitled, created by rebeccaclairejoh on 14/12/2015.
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- rebeccaclairejoh
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