IGCSE Year 1
Authored by Aman Chandhoke
Other
9th Grade
Used 2+ times
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45 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the binary representation of the denary number 13?
1100
1011
1101
1111
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the hexadecimal equivalent of the binary number 1110?
B
E
C
F
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many bits are there in a nibble?
2
8
4
16
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is a character set?
An encoding for numbers
A collection of characters and symbols represented by binary
A list of programs
Binary digits grouped in 8s
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the main advantage of using hexadecimal over binary?
It’s easier for computers to understand
It’s easier for humans to read
It stores more data
It takes up more memory
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many different values can be represented with 8 bits?
128
256
512
64
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following best describes how sound is stored digitally?
As hexadecimal samples
As binary samples at regular intervals
As ASCII codes
As pixel values
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