Representation of Data
Authored by Stephen Cooper
Computers
11th Grade
Used 2+ times
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28 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A text file contains 4000 characters and is encoded in ASCII.
Calculate the minimum number of kilobytes this would require to store.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many bits does ASCII use to encode each character?
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
To represent 16 colours you would need a colour depth of _ bits.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is a limitation of ASCII?
Takes up a lot of storage space.
Cannot represent letters with accents.
Cannot represent all languages.
Cannot store numbers.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Convert the binary value 01100110 into its denary equivalent.
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Convert the hexadecimal value E4 into its binary equivalent, giving your answer in 8-bit.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
An image is 200 pixels wide by 400 pixels high.
It uses a colour depth of 8-bit.
Calculate the minimum file size for this image, giving your answer in KB.
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