Flashcards

Computing paper 2

Aiden Holton Inglês 11 flashcards

Flashcards do conjunto (11)

1what is the total number of characters allowed by ASCII?127
2Explain the limitations of ASCII for worldwide communications?Doesnt allow for other languages.
ASCII is 7 bit.
highest number of characters is 128.
Many languages have more than a 128 characters.
3Explain why the cache size affects the performance of the CPU.The larger the cache the more instructions can be processed at once.
4What is 00110101 +0100110110000010
5State two differences between ASCII and UNICODE?Allows more values and all languages
6What is colour depth?The number of bits used to represent each pixel
7How many colours can be represented by a 2 bit colour depth?2 x 2 = 4
8What is sample resolution?is the number of bits per sample
9What is sample rate?Number of samples taken within a second
10two differences between ROM and RAM?ROM is non volatile.
Ram is volatile.
11Give two examples of secondary storage?Solid state drive and optical drive.

Descrição: FlashCards sobre Computing paper 2, criado por Aiden Holton em 28-03-2017.
Criado por: Aiden Holton
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