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- 1. Multiple Choice
Any physical phenomenon that carries some information is
System
Processor
Signal
None
- 2. Multiple Choice
The two basic types of signals are analog and:
Digilog
Digital
Vetilog
Sinewave
- 3. Multiple Choice
The interface between an analog signal and a digital processor is
D/A converter
A/D converter
Modulator
Demodulator
- 4. Multiple Choice
Which of the following characterizes an analog quantity?
Discrete levels represent changes in a quantity.
Its values follow a logarithmic response curve.
It can be described with a finite number of steps.
It has a continuous set of values over a given range.
- 5. Multiple Choice
The process of conversion of continuous time signal into a discrete time signal is known as
Aliasing
Sampling
Convolution
None of the above
- 6. Multiple Choice
Which type of signal is represented by discrete values?
Nois signal
Non linear
Analog
Digital
- 7. Multiple Choice
Scientific notation is a method
of expressing a very large number
of expressing a very small number
used to make calculations with large and small numbers
All of the above
- 8. Multiple Choice
Any unwanted signal interfering with the main signal is
System
Noise
Frequency
None
- 9. Multiple Choice
Signal processing undergoes a change in
Amplitude
Phase
Freuency
All of the above
- 10. Multiple Choice
Quantized and coded version of the discrete time signals are
Analog signals
Digital signals
Both A and B
Coded signal
- 11. Multiple Choice
Is music playing from a record an analog or digital signal?AnalogDigital - 12. Multiple ChoiceIs a video game coded as analog or digital data?AnalogDigital
- 13. Multiple ChoiceThe string of 1s and 0s that control a computer is called _____ code.binarydichotomousMorsetwo-number
- 14. Multiple ChoiceNumbers in a digital code can have _____ values.anyonly highonly lowonly set
- 15. Multiple ChoiceNumbers in an analog code can have _____ values.anyonly highonly lowonly set
- 16. Multiple ChoiceWhich type(s) of signal(s) can be easily corrected to remove noise?AnalogDigitalBothNeither
- 17. Multiple ChoiceAnalog signals can be converted to digital through a process called _____.conversionprocessingsamplingtranslation
- 18. Multiple ChoiceHow do computer hard drives and USB drives store data?Binary codePicturesSymbolsWords
- 19. Multiple ChoiceWhich type(s) of signal(s) can be transmitted as radio waves?AnalogDigitalBothNeither
- 20. Multiple ChoiceSetting the color of each pixel on a computer screen requires a _____ signal.analogdigitalloudfast
- Answer choicesTagsAnswer choicesTags