
Y8 - Cycle 2 - End of Cycle Knowledge Test
Quiz
•
Computers
•
8th Grade
•
Practice Problem
•
Hard
CEC Computing
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What numbering system is all data stored in?
Binary
Denary
Octal
Hexadecimal
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is this binary number in denary?
00000011
3
2
8
5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In binary, what is 1 + 1?
10
01
11
00
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In hexadecimal, what number is represented by the character F?
15
12
10
13
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the character set that uses 8 bits of data to represent each character (letter or symbol)?
ASCII
Unicode
UTF32
OCTAL
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When recording audio, what particular quality of a sound wave is sampled 44,100 times per second?
Amplitude
Frequency
Wavelength
Pitch
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many microscopic lights are there inside each pixel?
3
2
4
1
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