Font size
S
M
L
XL
WorksheetsDE QUIZ 1
Total questions: 129
Worksheet time: 2hrs 9mins
Name
Class
Date
1.
Which of the following is can be considered as Continuous Value?
a)
0.5 Volts
b)
15.017252 Volts
c)
100 Volts
d)
48 Volts
2.
Which of the following is NOT an analog device?
a)
Analog Voltmeter
b)
Cassette Tape
c)
Digital Watch
d)
Mechanical Watch
3.
Which of the following is NOT a digital device?
a)
Mobile Phone
b)
Dial Telephone
c)
Smart TV
d)
Digital Multimeter
4.
Which of the following is an analog device?
a)
IPAD
b)
Smart TV
c)
Dial Telephone
d)
Digital Multimeter
5.
Which of the following is a digital device?
a)
Analog Voltmeter
b)
Cassette Tape
c)
Mechanical Watch
d)
Digital Watch
6.
Digital signals transmitted on a single conductor (and a ground) must be transmitted in:
a)
Slow Speed
b)
Parallel
c)
Medium Speed
d)
Serial
7.
Which waveform is used to represent an Voice Signal?
a)
Sinusoidal Waveform
b)
Square Waveform
c)
Staircase Waveform
d)
Trianglular Waveform
8.
Which waveform is used to represent an Digital Signal?
a)
Sinusoidal Waveform
b)
Clock Pulse
c)
Staircase Waveform
d)
Trianglular Waveform
9.
The parallel transmission of digital data:
a)
is much slower than the serial transmission of data
b)
requires only one signal line between sender and receiver
c)
requires as many signal lines between sender and receiver as there are data bits
d)
is less expensive than the serial method of data transmission
10.
Serial format means digital signals are:
a)
sent over one conductor sequentially
b)
sent over many conductors simultaneously
c)
sent in groups of eight signals
d)
sent in binary coded decimal
11.
Which format can send several bits of information faster?
a)
Parallel
b)
Serial
c)
Both are the same
d)
Can't tell
12.
What is one relative DISADVANTAGE of Serial Data Transfer?
a)
It requires too many conductors
b)
Its interconnect system is complex
c)
Slow Speed of Operation
d)
It can only be used in long distances
13.
Which of the following statement is the CORRECT?
a)
Analog System is a Flexible System
b)
Digital System is a Flexible System
c)
Digital System is a Fixed System
d)
Analog System is a Programmable System
14.
Which of the following is the ADVANATGE of an Analog System?
a)
More Power Consumption
b)
More Prone to Distortion
c)
Short Distance Communication
d)
Cheaper System
15.
Which of the following is the DISADVANATGE of Digital System?
a)
High Bandwidth
b)
Less Prone to Distortion
c)
Long Distance Communication
d)
Less Power Consumption
16.
Which of the following statement/s is/are the CORRECT in case of an Analog System?
a)
Cheaper System
b)
Less Bandwidth
c)
Both a & b
d)
More Power Consumption
17.
Which of the following statement is the CORRECT in case of DIGITAL System?
a)
Cheaper System
b)
Low Power Consumption
c)
Short Distance Communication
d)
More Prone to Distortion
18.
Which of the following statement/s is/are the CORRECT in case of DIGITAL System?
a)
Cheaper System
b)
Low Power Consumption
c)
Long Distance Communication
d)
Both b & c
19.
Which of the following ranges is related to HIGH LEVEL range?
a)
VL (min) to VL (max)
b)
VL (min) to VH (max)
c)
VL (max) to VH (min)
d)
VH (min) to VH (max)
20.
Which of the following ranges is related to UNACCEPTABLE VOLTAGE LEVEL range?
a)
VL (min) to VL (max)
b)
VL (max) to VH (min)
c)
VL (min) to VH (max)
d)
VH (min) to VH (max)
21.
Which of the following ranges is related to LOW LEVEL range?
a)
VL (min) to VL (max)
b)
VL (min) to VH (max)
c)
VL (max) to VH (min)
d)
VH (min) to VH (max)
22.
In a positive logic system, ________.
a)
only HIGHs are present
b)
only LOWs are present
c)
a LOW = 1, a HIGH = 0
d)
a HIGH = 1, a LOW = 0
23.
In a negative logic system, ________.
a)
a LOW = 1, a HIGH = 0
b)
a HIGH = 1, a LOW = 0
c)
only HIGHs are present
d)
only LOWs are present
24.
The rise time is the time it takes a pulse to go from ________.
a)
the base line to the maximum HIGH voltage
b)
the base line to 90% of the pulse amplitude
c)
10% of the pulse amplitude to the maximum HIGH voltage
d)
10% of the pulse amplitude to 90% of the pulse amplitude
25.
The fall time is the time it takes a pulse to go from ________.
a)
the maximum HIGH voltage to the base line
b)
90% of the pulse amplitude to 10% of the pulse amplitude
c)
90% of the pulse amplitude to the maximum LOW voltage
d)
10% of the pulse amplitude to the base line
26.
A periodic digital waveform has a pulse width (tw) of 6 ms and a period (T) of 18 ms. The duty cycle is ________.
a)
0.033
b)
0.333
c)
0.06
d)
0.18
27.
The frequency of a pulse train is 2 kHz. The pulse period is ________.
a)
5 ms
b)
50 ms
c)
500 μs
d)
2 μs
28.
The magnitude of the signal waveform from 0 Volt level is defined as ____________.
a)
Amplitude
b)
Time Period
c)
Frequency
d)
Duty Cycle
29.
The length of time that the waveform takes to repeat itself from start to finish is defined as __________.
a)
Amplitude
b)
Time Period
c)
Frequency
d)
Duty Cycle
30.
The total no. of occurrences in one cycle of square wave is defined as _____________.
a)
Amplitude
b)
Time Period
c)
Frequency
d)
Duty Cycle
31.
The time the signal is at 5V or logic high level is known as _________.
a)
Duty Cycle
b)
Rise Edge
c)
Off Time
d)
On Time
32.
The time the signal is at 0V or logic low level is known as _________.
a)
Duty Cycle
b)
Rise Edge
c)
Off Time
d)
On Time
33.
A (0) to (1) transition of the signal is termed as _______.
a)
Fall Edge
b)
Rise Edge
c)
Off Time
d)
On Time
34.
A (1) to (0) transition of the signal is termed as _______.
a)
Fall Edge
b)
Rise Edge
c)
Off Time
d)
On Time
35.
The ratio of ON time to the total time period of signal is known as ______________.
a)
Duty Cycle
b)
Fall Edge
c)
Rise Edge
d)
On Time
36.
The waveform that repeats itself at a fixed intervals, with a pertiod (T) is ___________.
a)
Positive Edge Pulse
b)
Negative Edge Pulse
c)
Periodic Pulse
d)
Non-Periodic Pulse
37.
The waveform that DOES NOT repeats itself at a fixed intervals is ___________.
a)
Positive Edge Pulse
b)
Negative Edge Pulse
c)
Periodic Pulse
d)
Non-Periodic Pulse
38.
Which of following application of transistor is related to the field of Digital Electronics?
a)
Multi-stage Amplifier
b)
Switch
c)
Oscillator
d)
Modulator
39.
In which of the following two regions BJT will operate, when it is used as SWITCH?
a)
Saturation & Cut-off Regions
b)
Saturation & Active Regions
c)
Active & Cut-off Regions
d)
Active & Avalanche Breakdown Regions
40.
When BJT is in ON mode, it operates as ________ switch.
a)
closed
b)
open
c)
DPST
d)
DPDT
41.
When BJT is in OFF mode, it operates as ________ switch.
a)
closed
b)
open
c)
DPST
d)
DPDT
42.
When BJT is fully-OFF, it operates in _________ region.
a)
Active
b)
Saturation
c)
Cut-off
d)
Avalanche Breakdown
43.
When BJT is fully-ON, it operates in _________ region.
a)
Active
b)
Saturation
c)
Cut-off
d)
Avalanche Breakdown
44.
Which of the following component is used in first generation computers?
a)
Vacuum Tube
b)
Transistor
c)
Integrated Chip
d)
Very Large Scale Integration Chip
45.
Which of the following component is used in second generation computers?
a)
Vacuum Tube
b)
Transistor
c)
Integrated Chip
d)
Very Large Scale Integration Chip
46.
Which of the following integration level is used in Logic Gates & Op-Amp ICs?
a)
SSI
b)
MSI
c)
LSI
d)
VLSI
47.
Which of the following integration level is used in Adder, Multiplexer, Counter & Shift Register ICs?
a)
SSI
b)
MSI
c)
LSI
d)
VLSI
48.
Which of the following integration level is used in DAC/ADC & 8-Bit Microprocessor ICs?
a)
SSI
b)
MSI
c)
LSI
d)
VLSI
49.
Which of the following integration level is used in DSP ICs & Complex PLDs?
a)
SSI
b)
MSI
c)
LSI
d)
VLSI
50.
Which of the following integration level is used in 8 Mb Memory IC & Image Processor?
a)
LSI
b)
VLSI
c)
ULSI
d)
GSI
51.
Which of the following integration level is used in 64 Mb Memory IC, Multiprocessor & Advanced Processors?
a)
LSI
b)
VLSI
c)
ULSI
d)
GSI
52.
In a number representation, which of the following term indicates the symbols used to represent a number?
a)
Digit of a Number
b)
Position of a Digit
c)
Base of a Number
d)
Index of a Number
53.
In a number representation, which of the following term indicates the value of a digit depending on its place, in the number?
a)
Digit of a Number
b)
Position of a Digit
c)
Base of a Number
d)
Index of a Number
54.
In a number representation, which of the following term indicates the total no. numerals available in a number system.
a)
Digit of a Number
b)
Position of a Digit
c)
Base of a Number
d)
Index of a Number
55.
In a number representation, which of the following term indicates how many times to use the number in a multiplication?
a)
Digit of a Number
b)
Position of a Digit
c)
Base of a Number
d)
Index of a Number
56.
Which of the following number system consists of 0 to 9 numerals?
a)
Binary Number System
b)
Decimal Number System
c)
Hexadecimal Number System
d)
Octal Number System
57.
How many no. of numerals are used in Decimal Number System?
a)
2
b)
8
c)
10
d)
16
58.
Which of the following term indicates base 2 number system?
a)
Bi
b)
Deca
c)
Hexa
d)
Octa
59.
How many no. of numerals are used in Binary Number System?
a)
2
b)
8
c)
10
d)
16
60.
Which of the following number system consists of ONLY 0s & 1s?
a)
Binary Number System
b)
Decimal Number System
c)
Hexadecimal Number System
d)
Octal Number System
61.
Which of the following term indicates the “smallest unit” of binary information?
a)
Bit
b)
Byte
c)
Nibble
d)
Word
62.
Which of the following term indicates the “group of 4 bits” in a binary information?
a)
Bit
b)
Byte
c)
Nibble
d)
Word
63.
Which of the following term indicates the “group of 8 bits” in a binary information?
a)
Bit
b)
Byte
c)
Nibble
d)
Word
64.
Which of the following term indicates the “group of 16 bits” in a binary information?
a)
Byte
b)
Double Word
c)
Nibble
d)
Word
65.
Which of the following term indicates the “group of 32 bits” in a binary information?
a)
Byte
b)
Double Word
c)
Nibble
d)
Word
66.
How many no. of nibbles are there in the given byte of data (1011 0101)2?
a)
one
b)
two
c)
three
d)
four
67.
How many no. of nibbles & no. of bytes are there in the given word of data (1110 0110 1011 0101)2?
a)
two nibbles
two bytes
b)
two nibbles
four bytes
c)
four nibbles
two bytes
d)
four nibbles
four bytes
68.
How many no. of nibbles, no. of bytes & no. of words are there in the given word of data
(1110 0110 1011 0101 0001 0011 1000 0101)2?
a)
two nibbles
two bytes
two words
b)
two nibbles
four bytes
eight words
c)
eight nibbles
four bytes
two words
d)
eight nibbles
four bytes
four words
69.
Which of the following term indicates base 8 number system?
a)
Bi
b)
Deca
c)
Hexa
d)
Octa
70.
Which of the following number system consists of 0 to 7 numerals?
a)
Binary Number System
b)
Decimal Number System
c)
Hexadecimal Number System
d)
Octal Number System
71.
How many no. of numerals are used in Octal Number System?
a)
2
b)
8
c)
10
d)
16
72.
Which of the following number system uses both numerals and alphabets?
a)
Binary Number System
b)
Decimal Number System
c)
Hexadecimal Number System
d)
Octal Number System
73.
How many total no. of symbols are used in Hexadecimal Number System?
a)
2
b)
8
c)
10
d)
16
74.
How many no. of numbers are used in Hexadecimal Number System?
a)
2
b)
8
c)
9
d)
10
75.
How many no. of alphabets are used in Hexadecimal Number System?
a)
4
b)
6
c)
8
d)
9
76.
The process used to convert a Decimal Number to Any Base Number is _______________.
a)
Grouping of 3 Bits
b)
Grouping of 4 Bits
c)
Successive Division
d)
Weigthed Multiplication
77.
The process used to convert any Base Number to a Decimal Number is _______________.
a)
Grouping of 3 Bits
b)
Grouping of 4 Bits
c)
Successive Division
d)
Weigthed Multiplication
78.
To convert a given binary number to an octal number, the binary number is grouped in ________ bits.
a)
2
b)
3
c)
4
d)
8
79.
To convert a given binary number to a hexadecimal number, the binary number is grouped in _______ bits.
a)
2
b)
3
c)
4
d)
8
80.
Which of the following is not a positional number system?
a)
Binary Number System
b)
Decimal Number System
c)
Octal Number System
d)
Roman Number System
81.
The binary equivalent of the decimal number (85)10 is __________.
a)
100100
b)
101010
c)
1010111
d)
1010101
82.
The octal equivalent of the decimal number (85)10 is __________.
a)
125
b)
215
c)
225
d)
315
83.
The hexadecimal equivalent of the decimal number (241)10 is __________.
a)
(F1)16
b)
(D3)16
c)
(E7)16
d)
(10A)16
84.
The binary equivalent of a decimal number (12.125)10 is ____________.
a)
1100.011
b)
1110.001
c)
1100.001
d)
1010.11
85.
The octal equivalent of a decimal number (35.75)10 is ____________.
a)
(42.3)8
b)
(41.2)8
c)
(43.6)8
d)
(44.4)8
86.
The hexadecimal equivalent of a decimal number (22.75)10 is ____________.
a)
(F.B6)16
b)
(10.D)16
c)
(12.A)16
d)
(16.C)16
87.
The decimal equivalent of a binary number (1010.011)2 is ____________.
a)
(10.365)10
b)
(10.375)10
c)
(11.365)10
d)
(11.375)10
88.
The octal equivalent of a binary number (1100101011.1101)2 is ____________.
a)
(1534.51)8
b)
(1453.64)8
c)
(1354.51)8
d)
(1275.75)8
89.
The hexadecimal equivalent of a binary number (100101101011.111011)2 is ____________.
a)
(96B.EC)16
b)
(9B6.AC)16
c)
(A4D.EF)16
d)
(87A.DB)16
90.
The decimal equivalent of a octal number (725.25)8 is ____________.
a)
(387.36)10
b)
(469.2)10
c)
(514.23)10
d)
(258.24)10
91.
The binary equivalent of a octal number (725.25)8 is ____________.
a)
111 011 100.011 100
b)
110 001 100.001 110
c)
101 010 111.010 101
d)
111 010 101.010 101
92.
The hexadecimal equivalent of a octal number (725.25)8 is ____________.
a)
(1A6.53)16
b)
(2BC.82)16
c)
(1D5.54)16
d)
(2F3.61)16
93.
The decimal equivalent of a hexadecimal number (AA)16 is ____________.
a)
(162)10
b)
(170)10
c)
(185)10
d)
(210)10
94.
The binary equivalent of a hexadecimal number (D7B.56)16 is ____________.
a)
1101 0111 1011.0101 0110
b)
1010 0110 1100.0101 0100
c)
1100 0111 1010.0100 0111
d)
1110 1000 1011.0111 0100
95.
The octal equivalent of a hexadecimal number (1E.53)16 is ____________.
a)
(35.684)8
b)
(34.340)8
c)
(35.599)8
d)
(36.246)8
96.
Which of the following term is NOT associated with addition operation?
a)
Augend
b)
Addend
c)
Borrow
d)
Carry
97.
Which of the following term is NOT associated with subtraction operation?
a)
Borrow
b)
Minuend
c)
Subtrahend
d)
Sum
98.
Perform the decimal addition: (579.271)10 + (68.85)10
a)
(598.421)10
b)
(654.213)10
c)
(648.121)10
d)
(681.162)10
99.
Perform the decimal numbers subtraction: (579.271)10 - (68.85)10
a)
(409.342)10
b)
(410.421)10
c)
(509.342)10
d)
(510.421)10
100.
The binary addition of 1 + 1 + 1 + 1 = ________.
a)
(0001)2
b)
(0100)2
c)
(1001)2
d)
(1111)2
101.
The binary addition of 1 + 1 + 1 = _________.
a)
Sum = 1 & Carry = 1
b)
Sum = 1 & Carry = 0
c)
Sum = 0 & Carry = 1
d)
Sum = 0 & Carry = 0
102.
The binary subtraction 0 - 1 = __________.
a)
Difference = 0 & Borrow = 1
b)
Difference = 0 & Borrow = 0
c)
Difference = 1 & Borrow = 1
d)
Difference = 1 & Borrow = 0
103.
Perform addition on two binary numbers: (01000111)2 + (00111011)2
a)
(10001010)2
b)
(10011100)2
c)
(10000010)2
d)
(11000010)2
104.
Perform subtraction of two binary numbers: (101111)2 - (010101)2
a)
(100100)2
b)
(010101)2
c)
(011010)2
d)
(011001)2
105.
Perform addition on two octal numbers: (74)8+ (651)8
a)
(645)8
b)
(745)8
c)
(725)8
d)
(625)8
106.
Perform subtraction of two octal numbers: (653)8 - (216)8
a)
(345)8
b)
(445)8
c)
(335)8
d)
(435)8
107.
Perform addition on two hexadecimal numbers: (C)16 + (E)16
a)
(19)16
b)
(1A)16
c)
(1B)16
d)
(1C)16
108.
Perform subtraction of two hexadecimal numbers: (D)16 - (7)16
a)
(6)16
b)
(7)16
c)
(8)16
d)
(9)16
109.
Perform addition on two hexadecimal numbers: (7C)16 + (6B1)16
a)
(62D)16
b)
(63D)16
c)
(72D)16
d)
(73D)16
110.
Perform subtraction of two hexadecimal numbers: (DB3)16 - (B8)16
a)
(D82)16
b)
(D94)16
c)
(C1B)16
d)
(D1B)16
111.
r’s complement is calculated with formula ___________________.
a)
(𝑟 + 𝑁)
b)
(rn)
c)
(rn + N)
d)
(rn - N)
112.
(r-1)’s complement is also called as _________________ complement of a number
a)
(rn - 1) - N
b)
(rn)
c)
(rn + N)
d)
(rn - N)
113.
10s complement is also called as Radix complement of a ___________ number.
a)
Binary
b)
Decimal
c)
Hexadecimal
d)
Octal
114.
9s complement is also called as Diminished Radix complement of a ___________ number.
a)
Binary
b)
Decimal
c)
Hexadecimal
d)
Octal
115.
9s complement of a (8)10 is ___________.
a)
(0)10
b)
(2)10
c)
(1)10
d)
(3)10
116.
9s complement of a (683)10 is ___________.
a)
(317)10
b)
(425)10
c)
(232)10
d)
(316)10
117.
10s complement of a (0)10 is ___________.
a)
(0)10
b)
(2)10
c)
(1)10
d)
(3)10
118.
10s complement of a (778)10 is ___________.
a)
(322)10
b)
(323)10
c)
(222)10
d)
(232)10
119.
2s complement is also called as Radix complement of a ___________ number.
a)
Binary
b)
Decimal
c)
Hexadecimal
d)
Octal
120.
1s complement is also called as Diminished Radix complement of a ___________ number.
a)
Binary
b)
Decimal
c)
Hexadecimal
d)
Octal
121.
1’s complement can be easily obtained by using _________
a)
Comparator
b)
Inverter
c)
Adder
d)
Subtractor
122.
1s complement of a (1)2 is ___________.
a)
(0)2
b)
(1)2
c)
(10)2
d)
(11)2
123.
1s complement of a (101101)2 is ___________.
a)
(011010)2
b)
(010010)2
c)
(010110)2
d)
(001001)2
124.
1s complement of a (1011.0110)2 is ___________.
a)
(0111.1101)2
b)
(0101.0101)2
c)
(0110.1010)2
d)
(0100.1001)2
125.
2s complement of a (10000)2 is ___________.
a)
(01111)2
b)
(01100)2
c)
(10000)2
d)
(01101)2
126.
2s complement of a (11010010.100)2 is ___________.
a)
(00101110.011)2
b)
(01101001.001)2
c)
(00101101.100)2
d)
(01110101.110)2
127.
The two complement in binary system is useful for expressing
a)
Positive Numbers
b)
Negative Numbers
c)
Both Positive & Negative Numbers
d)
None of the above
128.
Identify the type of a binary code in which EACH DIGIT of a decimal number is represented by a separate group of 4 bits.
a)
BCD Code
b)
GRAY Code
c)
EBCDIC Code
d)
ASCII Code
129.
Which of the following binary code is a Weighted Binary Code?
a)
ASCII Code
b)
BCD Code
c)
EBCDIC Code
d)
GRAY Code
Reset
