
cs J277 Unit 2 Data Rep
Authored by James Barron
Computers
11th Grade
Used 34+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a byte?
4 bits
8 bits
1,000 bits
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is sampling?
Sound recorded at regular intervals
Colour picked from a photograph
Sound represented digitally
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is denary 55 in 8-bit binary?
10010011
00110111
00110110
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is denary 55 in hexadecimal?
37
58
42
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a binary shift?
To multiply/divide binary numbers
To add/subtract binary numbers
To convert binary numbers to hexadecimal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is metadata?
Data about data
Colour data
Sound data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give one reason why data is represented in binary in a computer
The digits 0 and 1 can be represented by a switch being ON or OFF
The digits 0 and 1 are represents of Machine X Code
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