
GCSE Computer Science Revision - Data Representation Quiz
Authored by Emma Faulkner
Computers
11th Grade
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What is the binary representation of the decimal number 13?
1101
1011
1110
1001
2.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
How many bits are in a hexadecimal digit?
2
4
8
16
3.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
Which of the following is NOT a method of data compression?
Lossless Compression
Lossy Compression
Encryption Compression
Run-Length Encoding
4.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What is the primary purpose of data encryption?
To compress data to save storage space
To convert data into a secret code for security
To convert data into binary form for transmission
To increase the speed of data transmission
5.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What is the hexadecimal notation for the binary number 1010 1101?
9D
AD
BD
AE
6.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
In the context of data transmission, what does the term "bandwidth" refer to?
The amount of data that can be stored on a device
The maximum transmission capacity of a device
The security protocol used during data transmission
The compression ratio achieved during data transmission
7.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
Which of the following is an example of lossy compression?
ZIP
JPEG
PNG
FLAC
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