
IGCSE Computer Science Quiz
Authored by Syeeda Anjum
Computers
9th - 12th Grade
Used 4+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The binary system is based on:
Base 8
Base 2
Base 10
Base 16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the denary number 45 to binary:
101101
101011
110011
100111
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The hexadecimal representation of 255 is:
FF
25
100
EE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert binary 1011010 to denary:
90
58
72
45
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert hexadecimal 3F to binary:
111111
101111
100111
111100
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Add 01101101 + 10111010. What is the result?
100100111 (overflow)
100010111
111101111
011001111
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logical right shift by 2 bits on 11010011 gives:
11110100
00110100
00011011
11001001
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