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Cards in this deck (14)
- 1What best describes a keyboard? A. Hardware & input device B. Software & output deviceA. Hardware & input device
- 2State the purpose of a CPU.To fetch information, decode it and then execute it.
- 3Describe what is meant by a 'quad-core.'The computer system has 4 mini CPU's. This means the instructions can be processed four times as fast.
- 4A computer has 1024 megabytes of RAM. How many gigabytes?1 Gigabyte.
- 5What does this represent?... big naughty boys kicked my granny twiceThe order of units of storage. Bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte.
- 6Why might we use Hex numbers to represent numbers in a computers even though computers do not use hex?So that larger numbers can be condensed into a smaller format so rather than writing a number as an 8 bit code, it can be written as 2 figures.
- 7What is a syntax error?An error in the language of the programme.
- 8How many embedded systems can you think of in a car?Air con
heated sears
Automatic windows
central locking
Radio
Windscreen Wipers
Engine
Air bag
parking assist
cruise control
(and many more) - 9What is a peripheral device?Hardware devices which fit into one of the categories but are external to the main body of the computer. Usually connected by cables ( USB, Network ) or wirelessly e.g. keyboard.
- 10Fill the blanks. Cache memory is a much q.........r static RAM which is between the main m.......y and the CPU.Quicker
Memory - 11If something is 'non-volatile' what does this mean?The system will retrieve information even after the power has been disconnected.
- 12Why might a computer system be used in a hospital?- diagnosing diseases
- finding faults in machinery
- x-rays
-research
- keeping track of medical records
- patient monitoring - 13What does HDD and SSD stand for?Hard Disk Drive
Solid State Drive - 14Can you give some features of RAM?Ram (Random access memory )
volatile/temporary
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- Flashcards on Untitled, created by maltby.o16 on 14/12/2015.
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- maltby.o16
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