
Data Representation
Quiz
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Medium
Fitri Karimah
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the standard code used by computers to represent text characters ?
ASCII
Binary Code
JPEG
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bits are used to represent a single character in ASCII ?
4 bits
8 bits
16 bits
32 bits
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following extends ASCII to support more characters such as different languages ?
Unicode
ASCII++
Hexcode
UNCHR
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert this binary to denary: 101010
52
32
42
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a pixel ?
computer virus
smallest unit of a digital image
programming language
image compression method
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which color model do computers typically use to represent images ?
RDB
RQB
RGB
RCB
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert this hexadecimal to denary: 1A
26
36
27
37
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