Flashcards
computing revision
Cards in this deck (12)
- 1how does having a dual or quad core processor effect the computer?there will be more cores preforming the fetch decode execute cycle simultaneously so the computer will be faster.
- 2how does the cache effect the computer?the cache stores frequently used instructions used by the CPU this will make your computer faster as it will spend less time getting instructions from the RAM
- 3what is ROM?ROM is non-volatile and is stores all the instructions to start the computer
- 4why is virtual memory needed?it is need so if the RAM is full it will copy programs not currently being used and send them here
- 5what is a steak holder?a steak holder is someone who will be effected by an action
- 6what is the order of storage spacebit
A nibble
A byte
A kilobyte
megabyte
gigabyte - 7what is an overflow error?its when you add 2 8 bit binary values together and get a 9 bit binary value
- 8whats the difference between ASCII and UnicodeASCII is 7 or 8 bit whereas unicode is 16
- 9whats an advantage to ASCII?it need less binary so takes up less storage
- 10whats an advantage to Unicodemore characters can be represented
- 11what is iterationa repeating code
- 12what does boolen, real, integer and string meanboolen=true/false or yes/no
real=decimals
string=any charters
integer=hole numbers
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- Flashcards on computing revision, created by Max Hughes on 07/02/2018.
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- Max Hughes
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