IGCSE Unit 1
9th Grade
•31 Qs
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IGCSE Unit 1
Quiz
•
Computers
•
9th Grade
•
Practice Problem
•
Medium
Tang Le
Used 5+ times
FREE Resource
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31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What Signal comes from your mouth?
Digital
Sound
Voice
Analog
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
In a ADC the A means _________
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Computers use what kind of numbers?
Binary
Digital
Real
Integer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number is NOT a hexadecimal number?
0
43859384
A823DH382
ABCDEEA22FFF
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the largest 7 bit number?
64
128
127
63
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you have 32 colors in a picture, how many bits do you need to represent the color?
5
4
6
7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one is a lossy image file?
PNG
JPG
MAC
BMP
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