WorksheetsDigital and Analog Systems Quiz
Total questions: 29
Worksheet time: 15mins
Which of the following is can be considered as Continuous Value?
0.5 Volts
15.017252 Volts
100 Volts
48 Volts
Which of the following is NOT an analog device?
Analog Voltmeter
Cassette Tape
Digital Watch
Mechanical Watch
Which of the following is NOT a digital device?
Mobile Phone
Dial Telephone
Smart TV
Digital Multimeter
Which of the following is an analog device?
IPAD
Smart TV
Dial Telephone
Digital Multimeter
Which of the following is a digital device?
Analog Voltmeter
Cassette Tape
Mechanical Watch
Digital Watch
Digital signals transmitted on a single conductor (and a ground) must be transmitted in:
Slow Speed
Parallel
Medium Speed
Serial
Which waveform is used to represent an Voice Signal?
Sinusoidal Waveform
Square Waveform
Staircase Waveform
Trianglular Waveform
Which waveform is used to represent an Digital Signal?
Sinusoidal Waveform
Clock Pulse
Staircase Waveform
Trianglular Waveform
The parallel transmission of digital data:
is much slower than the serial transmission of data
requires only one signal line between sender and receiver
requires as many signal lines between sender and receiver as there are data bits
is less expensive than the serial method of data transmission
Serial format means digital signals are:
sent over one conductor sequentially
sent over many conductors simultaneously
sent in groups of eight signals
sent in binary coded decimal
Which format can send several bits of information faster?
Parallel
Serial
Both are the same
Can't tell
What is one relative DISADVANTAGE of Serial Data Transfer?
It requires too many conductors
Its interconnect system is complex
Slow Speed of Operation
It can only be used in long distances
Which of the following statement is the CORRECT?
Analog System is a Flexible System
Digital System is a Flexible System
Digital System is a Fixed System
Analog System is a Programmable System
Which of the following is the ADVANTAGE of an Analog System?
More Power Consumption
More Prone to Distortion
Short Distance Communication
Cheaper System
Which of the following is the DISADVANTAGE of Digital System?
High Bandwidth
Less Prone to Distortion
Long Distance Communication
Less Power Consumption
Which of the following statement/s is/are the CORRECT in case of an Analog System?
Cheaper System
Less Bandwidth
Both a & b
More Power Consumption
Which of the following statement is the CORRECT in case of DIGITAL System?
Cheaper System
Low Power Consumption
Short Distance Communication
More Prone to Distortion
Which of the following statement/s is/are the CORRECT in case of DIGITAL System?
Cheaper System
Low Power Consumption
Long Distance Communication
Both b & c
Which of the following ranges is related to HIGH LEVEL range?
VL (min) to VL (max)
VL (min) to VH (max)
VL (max) to VH (min)
VH (min) to VH (max)
Which of the following ranges is related to UNACCEPTABLE VOLTAGE LEVEL range?
VL (min) to VL (max)
VL (max) to VH (min)
VL (min) to VH (max)
VH (min) to VH (max)
Which of the following ranges is related to LOW LEVEL range?
VL (min) to VL (max)
VL (min) to VH (max)
VL (max) to VH (min)
VH (min) to VH (max)
In a positive logic system, ________.
only HIGHs are present
only LOWs are present
a LOW = 1, a HIGH = 0
a HIGH = 1, a LOW = 0
In a negative logic system, ________.
a LOW = 1, a HIGH = 0
a HIGH = 1, a LOW = 0
only HIGHs are present
only LOWs are present
The rise time is the time it takes a pulse to go from ________.
the base line to the maximum HIGH voltage
the base line to 90% of the pulse amplitude
10% of the pulse amplitude to the maximum HIGH voltage
10% of the pulse amplitude to 90% of the pulse amplitude
The fall time is the time it takes a pulse to go from ________.
the maximum HIGH voltage to the base line
90% of the pulse amplitude to 10% of the pulse amplitude
90% of the pulse amplitude to the maximum LOW voltage
10% of the pulse amplitude to the base line
A periodic digital waveform has a pulse width (tw) of 6 ms and a period (T) of 18 ms. The duty cycle is ________.
0.033
0.333
0.06
0.18
The frequency of a pulse train is 2 kHz. The pulse period is ________.
5 ms
50 ms
500 μs
2 μs
The magnitude of the signal waveform from 0 Volt level is defined as ____________.
Amplitude
Time Period
Frequency
Duty Cycle
The length of time that the waveform takes to repeat itself from start to finish is defined as __________.
Amplitude
Duty Cycle
Frequency
Time Period
