
Data representation L2
Quiz
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Other
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7th Grade
•
Medium
Bhaskar Saxena
Used 7+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Images are made up of many _______.
elements
pixels
pictures
binary
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Computers represent all information in binary
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is colour depth?
How many binary digits is used to represent a pixel
How many pixels there are in a photo
A black and white photo
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a valid binary number
011011
10
0
14001
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the bit-length of this binary number: 0011 0011
4
8
1
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compression is when you _____________.
Send a file to another person
Reduce a file's size
Change the colours in an image
Save a file to your computer
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Select the TWO right answer: What are the types of compression?
Colour depth
Lossy
Glossy
Lossless
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of compression saves the most space?
Lossy
Lossless
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lossy compression does not lose any quality
True
False
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