Real world data rep revision
Authored by Mr Massett
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Professional Development
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Robson saved a bitmap with 100 × 100 pixels at 1-bit colour depth. What is the file size in bytes?
1000
800
1250
640
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Robson found that ASCII cannot represent emoji. What encoding system can?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
George says a kilobyte is how many bytes?
1024
500
1000
100
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Mya says hexadecimal is often used in MAC addresses. What base is hexadecimal?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brady has an image with dimensions 200 × 100 and 8-bit colour depth. What is the file size in bytes?
16000
20000
80000
40000
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
James S said that audio is originally in what type of signal?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Katie added binary 00000100 + 00000100. What is the result?
00001000
00010000
00001100
00000110
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