
Assessment CH 1,2,3
Authored by Karl Dearing
Computers
12th Grade
Used 2+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the binary number system?
A numeral system that uses only two symbols, typically 0 and 1
A numeral system that uses only two symbols, typically 0 and 9
A numeral system that uses only two symbols, typically 1 and 2
A numeral system that uses only two symbols, typically 0 and 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are hexadecimal numbers?
Base-16 numeral system representations that use the digits 0-9 and the letters A-F
Base-10 numeral system representations that use the digits 0-9
Base-8 numeral system representations that use the digits 0-7
Base-2 numeral system representations that use the digits 0 and 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are hexadecimal numbers commonly used?
Memory addressing and representing binary data more compactly
Performing calculations and executing instructions
Temporary data storage and retrieval
Long-term data storage and retrieval
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is addition and subtraction performed in binary?
1 + 1 equals 10
1 + 1 equals 11
1 + 0 equals 1
0 + 0 equals 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of binary arithmetic?
1101 + 101 equals 10010
1010 + 1111 equals 10001
10010 - 101 equals 1101
1111 - 101 equals 1010
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of ASCII and Unicode?
Character encoding standards used to represent text in computers
Interconnected systems of computers and other devices that can communicate and share resources
Specialized computer systems designed to perform specific tasks within a larger system
Numeral systems that use only two symbols, typically 0 and 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between ASCII and Unicode?
ASCII uses 7 bits to represent characters, while Unicode uses 16 bits
ASCII uses 16 bits to represent characters, while Unicode uses 7 bits
ASCII uses 8 bits to represent characters, while Unicode uses 16 bits
ASCII uses 16 bits to represent characters, while Unicode uses 8 bits
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