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Question 1 of 10
Quiz ID: 1
What is the smallest unit of information a computer can store, and what are its two possible values?
Byte - 0 to 255
Bit - 1 or 0
Nibble - 0 to 15
Word - 32 or 64 values
Question 2 of 10
Quiz ID: 2
What is the primary purpose of a code in the context of information representation?
To encrypt data for security
To compress data for storage
To associate bit combinations with information like characters
To error-correct data during transmission
Question 3 of 10
Quiz ID: 3
Why are standards like those from ISO and IEEE important for information representation?
To maximize proprietary technology advantages
To ensure interoperability through common meaning for codes
To increase manufacturing costs for competitive advantage
To limit the number of available character sets
Question 4 of 10
Quiz ID: 4
What does the acronym ASCII stand for and how many bits does it use?
Advanced Standard Code for Information Interchange - 8 bits
American Standard Code for Information Interchange - 7 bits
Automated System for Computer Information Interchange - 16 bits
Adaptive Symbolic Code for Information Interchange - variable bits
Question 5 of 10
Quiz ID: 5
According to the provided ASCII table, what is the hexadecimal code for the 'carriage return' control character?
0A
0D
1B
20
Question 6 of 10
Quiz ID: 6
How does Unicode fundamentally differ from ASCII in its design goal?
Unicode uses fewer bits than ASCII for efficiency
Unicode is proprietary while ASCII is an open standard
Unicode supports only Western languages while ASCII is global
Unicode provides a unique code for symbols across many writing systems
Question 7 of 10
Quiz ID: 7
Name three types of media used to transmit signals.
Water, metal, wood
Copper cables, optical fibre, free space (air)
Plastic, glass, rubber
Silicon, carbon, aluminum
Question 8 of 10
Quiz ID: 8
What form of energy is typically manipulated to generate signals for transmission?
Thermal energy
Potential energy
Electrical, electromagnetic, or light energy
Kinetic energy
Question 9 of 10
Quiz ID: 9
Define an analog signal and contrast it with a digital signal.
Analog is discrete-valued, digital is continuous
Analog is binary, digital is multi-valued
Analog is continuously varying, digital has discrete values
Analog is for audio, digital is for video
Question 10 of 10
Quiz ID: 10
What is the key characteristic that distinguishes a periodic signal from an aperiodic signal?
Periodic signals have constant amplitude
Periodic signals repeat their pattern over time
Aperiodic signals have higher frequency
Aperiodic signals are always digital
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