Flashcards
hardware flasahcards
Cards in this deck (12)
- 1What is a CPU? What does it contain?Central processing unit
Made up of control unit and arithmetic and logic unit - 2What is binary?A system of numbers only using 0 & 1
- 3What is RAM? What is it used for?RAM is primary storage
Main memory of a computer that stores data applications and the operating systems whilst in use - 4What is cache memory? What is it used for?High speed memory used by a computer
primary storage and is part of the processing capabilities - 5What is clock speed/clock chipThe electronic device in a computer that controls the timing of signals
- 6What is the fetch execute cycle?The process of fetching instructions from memory, decoding them ad executing them so the CPU can perform constantly
- 7What is virtual memory?A section of memory used as if it was RAM to supplement the amount of main memory available to the computer
- 8When is virtual memory needed?It is used when there is not enough main memory to run the programs required
- 9What is volatile memory?Data is lost when there is no power, like RAM. Mainly used for personal computers
- 10What is ROM?Read Only Memory, a store for data in a computer cannot be overwritten. It is not lost when the computer is turned off
- 11Name the three processorsSingle core (1)
Dual core (2)
Quad core (4) - 12What is flash memory/solid state?Technology based on electronics with no moving parts
A type of secondary storage
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- Flashcards on hardware flasahcards, created by 11abeck on 07/10/2015.
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- 11abeck
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