PS4.C Quiz
Authored by Jonathan Ang
Science
11th Grade
NGSS covered
Used 11+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a primary advantage of digital communication systems over analog systems?
Higher noise levels
Greater signal distortion
Improved noise immunity
Lower bandwidth efficiency
Tags
NGSS.MS-PS4-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of a modem in digital communication systems?
To amplify signals
To modulate and demodulate signals
To store data
To encrypt data
Tags
NGSS.MS-PS4-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain how error detection is typically achieved in digital communication systems.
By using parity bits
By increasing signal power
By reducing bandwidth
By using analog signals
Tags
NGSS.MS-PS4-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common signal processing technique used to remove noise from a signal?
Modulation
Filtering
Multiplexing
Demodulation
Tags
NGSS.MS-PS4-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the role of Fourier Transform in signal processing.
It compresses data
It converts a signal from time domain to frequency domain
It encrypts data
It amplifies signals
Tags
NGSS.MS-PS4-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a type of non-volatile information storage technology?
RAM
ROM
Cache
Register
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using RAID in information storage technologies?
To increase data transfer speed
To provide data redundancy and improve reliability
To reduce power consumption
To encrypt data
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