Quiz
GCSE CS Data Quiz (characters, images and sounds)
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Questions in this quiz (10)
1Text and characters are represented by the _______ code
- ABinary
- BASCII
- CHex
- DTwo's complement
2What is a limitation to ASCII ?
- ACan only hold letters and numbers
- BData transfer is slow
- C8 bits and 256 code sequences
- DCan represents lots of different languages
3What would be returned with the ord() function ?
- AA number
- BA character
- CA binary code
- DA sting
4An image is made up of many small point of colour called ______
- APic
- BPixels
- CDPI
- DResolution
5Colour depth is the number of bits used to encode the colors of each pixel. so for a color depth of 8 how many colours would you have in the image?
- A8
- B255
- C256
- D512
- E16000
6Resolution describes the file size of the image?
- ATrue
- BFalse
7Calculate the file size in MB as a whole number
- A7
8_______ are taken at regular fixed intervals.
- ASounds
- BSamples
- CDigital
- DBit depth
9Increasing the sample rate will improve the quality and increase the file size of the sound file?
- ATrue
- BFalse
10Calculate the file size of the sound file in MB's to a whole number
- A15
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- Quiz on GCSE CS Data Quiz (characters, images and sounds), created by Simon Howe on 16/03/2018.
- Author
- Simon Howe
- Language
- English
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