Computer Science Topic 2 Revision January 2023
Authored by D Hesketh
Computers
10th Grade
Used 11+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the best answer to explain why computers use binary.
Computers use circuits and logic gates. 1 or 0 represents on and off, which is true or false.
Computers understand binary easier than human language so it can compile code faster.
Computers have 8 states which are the bit values of binary to work out numbers.
Computers use true or false statements and that is what 1 and 0 is.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many bits are there in a Nibble? (Just give the number)
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many bits are there in a byte? (Just give the number)
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
How many bytes are there in a kibibyte? (Just give the number)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these lists show the correct order for data storage capacities?
bit
nibble
byte
kibibyte
mebibyte
gibibyte
bit
nibble
mebibyte
byte
kibibyte
gibibyte
byte
kibibyte
gibibyte
bit
nibble
mebibyte
kibibyte
mebibyte
gibibyte
bit
nibble
byte
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calculate the denary conversion of this unsigned binary bit pattern.
1 0 1 0 1 0 1 0
(Give the denary value only as your answer)
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calculate the hexadecimal conversion of this unsigned binary bit pattern.
1 0 1 0 1 0 1 0
(Give the value as 2 digits)
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