
Digital Data - Computing
Quiz
•
Computers
•
7th - 12th Grade
•
Practice Problem
•
Hard
Jack Jervis
Used 26+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many nibbles in 2 Bytes?
4
2
8
1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bits in 1KB
1000000
8000
1000
80000
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many MB in 1TB?
1000000
1000
1000000000
2000000
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which two statements best describes the term 'Unicode'?
Can only represent a small number of characters
A character set
Used to store the number of colours in a pixel
Can represent all characters in the world
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
_ _ _ _ _ is an 8-bit character set.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes the term 'lossy compression'
Making the file size bigger to save space
Reducing file size without removing data
Reducing file size without losing quality
Reducing the file size by removing data
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
To calaculate the size of a sound file in bits. The formula is...
Sample Rate * Bit Depth * ?
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