
Computer Systems - Lesson 6 - Hexadecimal Number System
Authored by Jenny Farrelly
Science
12th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the base of the hexadecimal number system?
Base 8
Base 10
Base 16
Base 2
Answer explanation
The base of the hexadecimal number system is Base 16, where each digit can represent values from 0 to 15, making it a base-16 system.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which digits are used in hexadecimal numbers after 9?
1-6
11-16
A-F
10-15
Answer explanation
Hexadecimal numbers use digits 0-9 and letters A-F, representing values 10-15. Therefore, the correct digits used in hexadecimal numbers after 9 are A-F.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of hex codes in HTML, CSS, and SVG?
Defining layouts
Styling text
Identifying colors
Creating animations
Answer explanation
Hex codes in HTML, CSS, and SVG are primarily used for identifying colors, allowing developers to specify precise colors using a hexadecimal format.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can colors and color combinations be trademarked?
No
Yes, only colors
Yes, only color combinations
Yes, both colors and color combinations
Answer explanation
Colors and color combinations can be trademarked, so the correct choice is 'Yes, both colors and color combinations'.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of converting Hex to ASCII?
Identifying characters
Styling text
Coloring initials
Creating animations
Answer explanation
Converting Hex to ASCII is significant for coloring initials as it allows for the representation of characters in a readable format.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum value that can be represented by a single hexadecimal digit?
9
15
F
16
Answer explanation
The maximum value that can be represented by a single hexadecimal digit is 15, which corresponds to the decimal value of 15. Hexadecimal digits range from 0 to F, where F represents 15 in decimal.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bits are required to represent one hexadecimal digit?
4 bits
8 bits
16 bits
32 bits
Answer explanation
One hexadecimal digit can be represented using 4 bits because each hexadecimal digit corresponds to a 4-bit binary number (2^4 = 16 possible values).
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