
Introduction to Computers Worksheet
Authored by Daniel Reed
Computers
9th Grade

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is primarily responsible for processing and making decisions in a computer?
CPU
RAM
Keyboard
Mouse
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many Hertz are in 1 Kilohertz (KHz)?
10 Hz
100 Hz
1000 Hz
10,000 Hz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a computer has a dual core chip, how many calculations can it perform at the same time?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a phone has 64GB of storage, how many megabytes does it have?
64
1024
65,536
67,108,864
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are output devices that a smartphone typically has?
Screen and speaker
Microphone and camera
Touchscreen and stylus
SIM card and battery
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the screen of a phone considered an output device?
It displays information to the user
It records audio
It stores data
It connects to the internet
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student claims that the microphone is an output device of a phone. Using your understanding of input and output devices, explain whether this claim is correct or incorrect.
Incorrect, because a microphone is used to input sound into the phone
Correct, because a microphone plays sound
Incorrect, because a microphone stores data
Correct, because a microphone displays images
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