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Electronics And Communication Engineering
Matching Questions
Quiz 1
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Q.1
Match the following:
List I
List II
A.
SSB Modulation
1.
Transmission line
B.
Δ .
B
= 0
2.
Hilbert transform
C.
Model dispersion
3.
Faraday's law
4.
Absence of magnetic monopoles
5.
Waveguides
6.
Phase locked loop
A-1, B-3, C-5
A-5, B-4, C-2
A-6, B-4, C-5
A-2, B-4, C-5
Q.2
Match the following:
List I (Comm.services)
List II (Bandwidth)
A.
AM broadcast
1.
kHz
B.
Telephone
2.
4 kHz
C.
wide-band FM
3.
kHz
D.
TV
4.
7 MHz
A-1, B-2, C-3, D-4
A-3, B-4, C-1, D-2
A-1, B-4, C-3, D-2
A-3, B-2, C-1, D-4
Q.3
Match the following:
List I (Laws of Boolean)
List II (Relation algebra)
A.
Distributive law
1.
x
+
x
=
x
B.
DeMorgans law
2.
x
(
y
+
z
) =
xy
+
xz
C.
Idempotent law
3.
(
x
) =
x
D.
Involution law
4.
(
x
+
y
) =
xy
A-1, B-2, C-3, D-4
A-2, B-4, C-1, D-3
A-3, B-4, C-1, D-2
A-4, B-1, C-2, D-3
Q.4
Match the following:
List I (Set operation)
List II (Set operator)
A.
Set equality
1.
-
B.
Set inclusion
2.
=
C.
Set intersection
3.
< =
D.
Set difference
4.
∗
A-2, B-3, C-4, D-1
A-3, B-2, C-4, D-1
A-1, B-2, C-3, D-4
A-4, B-2, C-3, D-1
Q.5
Match the following:
List I (Logic family)
List II (Characteristic of logic family)
A.
TTL
1.
Maximum power Consumption
B.
ECL
2.
Highest Packing Density
C.
NMOS
3.
Least Power Consumption
D.
CMOS
4.
Saturated Logic
A-1, B-4, C-2, D-3
A-1, B-4, C-3, D-2
A-4, B-1, C-2, D-3
A-4, B-1, C-3, D-2
Q.6
Match the following:
List I
List II
A.
Penetration frequency
1.
Lowest frequency at which charged particles spiral in fixed magnetic field
B.
Optimum working frequency
2.
Same as critical and frequency
C.
Gyro frequency
3.
Highest frequency of radio waves that can be used
D.
Maximum usable frequency
4.
The most effective frequency for ionosphere propagation of radio waves
A-2, B-4, C-1, D-3
A-4, B-1, C-3, D-2
A-1, B-3, C-2, D-4
Q.7
Match the following:
List I (Library function in Pascal)
List II (Type of argument)
A.
ROUND X
1.
X in radians
B.
ABS X
2.
X real
C.
SQR X
3.
X real or integer
D.
SIN X
A-2, B-3, C-3, D-1
A-2, B-3, C-1, D-3
A-3, B-2, C-2, D-1
A-2, B-3, C-2, D-1
Q.8
Match the following:
List I (Digital circuit)
List II (Circuit type)
A.
BCD to 7 segment decoder
1.
sequential circuit
B.
4-to-1 MUX
2.
combinational circuit
C.
4 bit shift register
3.
neither sequential nor combinational circuit
A-2, B-1, C-2, D-1
A-3, B-2, C-1, D-3
A-2, B-2, C-1, D-1
A-3, B-1, C-2, D-3
Q.9
Match the following:
List I (type of controller)
List II (Operation)
A.
Pneumatic controller
1.
Flexible operation
B.
Hydraulic controller
2.
High torque high speed operation
C.
Electronic controller
3.
Fire and explosion proof operation
A-1, B-3, C-2
A-1, B-2, C-3
A-3, B-1, C-2
A-3, B-2, C-1
Q.10
Match the following:
List I
List II
A.
Synchro
1.
Amplifier
B.
Amplidyne
2.
Actuator
C.
Servo
3.
Compensator
D.
RC network
4.
Transducer
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-3, B-2, C-4, D-1
A-4, B-1, C-2, D-3
Q.11
Match the following:
List I
List II
A.
lag compensation
1.
Exterior of unit circle |z| = 1
B.
lead compensation
2.
PD control
C.
stability
3.
Non-minimum phase
D.
Instability
4.
Left half s plane
5.
PI control
A-2, B-5, C-1, D-3
A-3, B-1, C-2, D-5
A-1, B-2, C-3, D-4
A-5, B-2, C-4, D-1
Q.12
Match the following:
List I
List II
A.
Silicon
1.
is trivalent
B.
Arsenic
2.
rarely used as semiconductor
C.
Indium
3.
is pentavalent
D.
Germanium
4.
intrinsic semiconductor
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-4, B-3, C-1, D-2
A-2, B-1, C-3, D-4
Q.13
Match the following:
List I
List II
A.
Resistance
1.
Current noise
B.
Diode
2.
Partition noise
C.
Triode
3.
Shot noise
D.
p-n
junction
4.
Atmospheric noise
5.
Johnson noise
A-5, B-3, C-2, D-1
A-1, B-2, C-3, D-5
A-3, B-5, C-1, D-2
A-3, B-5, C-2, D-1
Q.14
Match the following:
List I (Command in WORD)
List II (Meaning)
A.
END
1.
The bar displays the current position of cursor
B.
HOME
2.
Moves cursor to the beginning of current line
C.
Status
3.
Moves cursor to end of document
A-1, B-2, C-3
A-3, B-1, C-2
A-2, B-3, C-1
A-3, B-2, C-1
Q.15
Match the following:
List I
List II
A.
lag compensation
1.
Exterior of unit circle |z| = 1
B.
lead compensation
2.
PD control
C.
stability
3.
Non-minimum phase
D.
Instability
4.
Left half s plane
5.
PI control
A-2, B-5, C-1, D-3
A-3, B-1, C-2, D-5
A-1, B-2, C-3, D-4
A-5, B-2, C-4, D-1
Q.16
Match the following:
List I
List II
A.
DIAC
1.
B.
TRIAC
2.
C.
SIT
3.
D.
LASCR
4.
A-4, B-2, C-3, D-1
A-1, B-2, C-3, D-4
A-1, B-4, C-2, D-3
A-3, B-2, C-1, D-4
Q.17
Match the following:
List I
List II
A.
lag compensation
1.
Exterior of unit circle |z| = 1
B.
lead compensation
2.
PD control
C.
stability
3.
Non-minimum phase
D.
Instability
4.
Left half s plane
5.
PI control
A-2, B-5, C-1, D-3
A-3, B-1, C-2, D-5
A-1, B-2, C-3, D-4
A-5, B-2, C-4, D-1
Q.18
Match the following:
List I (Command in WORD)
List II (Meaning)
A.
END
1.
The bar displays the current position of cursor
B.
HOME
2.
Moves cursor to the beginning of current line
C.
Status
3.
Moves cursor to end of document
A-1, B-2, C-3
A-3, B-1, C-2
A-2, B-3, C-1
A-3, B-2, C-1
Q.19
Match the following:
List I
List II
A.
DIAC
1.
B.
TRIAC
2.
C.
SIT
3.
D.
LASCR
4.
A-4, B-2, C-3, D-1
A-1, B-2, C-3, D-4
A-1, B-4, C-2, D-3
A-3, B-2, C-1, D-4
Q.20
Match the following:
List I
List II
A.
DIAC
1.
B.
TRIAC
2.
C.
SIT
3.
D.
LASCR
4.
A-4, B-2, C-3, D-1
A-1, B-2, C-3, D-4
A-1, B-4, C-2, D-3
A-3, B-2, C-1, D-4
Q.21
Match the following:
List I
List II
A.
Television
1.
Either AM or FM used
B.
Radio
2.
Both AM and FM are used
C.
Radar
3.
PCM is used
D.
Data Communication
4.
Digital system
A-4, B-3, C-1, D-2
A-2, B-1, C-3, D-4
A-4, B-1, C-3, D-2
A-2, B-3, C-1, D-4
Q.22
Match the following:
List I (Modulation )
List II (Modulation Index)
A.
DSBFC
1.
μ > 1
B.
DSBSC
2.
μ > 0
C.
SSB
3.
∞
4.
μ, any value
A-2, B-2, C-3
A-1, B-3, C-3
A-4, B-2, C-1
A-2, B-3, C-1
Q.23
Match the following:
List I
List II
A.
PMMC
1.
Square law type scale
B.
Moving iron
2.
Very good response
C.
Thermo-couple
3.
Linear scale
D.
Electrostatic
4.
Voltmeter
A-4, B-1, C-2, D-3
A-3, B-2, C-1, D-4
A-4, B-2, C-1, D-3
A-3, B-1, C-2, D-4
Q.24
Match the following:
List I
List II
A.
Silicon
1.
Donor Impurity
B.
Antimony
2.
Acceptor Impurity
C.
Gallium
3.
Most Commonly used semiconductor material
D.
Germanium
4.
Atomic number 32
A-3, B-1, C-2, D-4
A-2, B-3, C-1, D-4
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
Q.25
Match the following:
List I (Characteristic equation)
List II (Degree of damping)
A.
s
2
+ 15
s
+ 56.25
1.
Undamped
B.
s
2
+ 5
s
+ 6
2.
Underdamped
C.
s
2
+ 20.25
3.
Critically damped
D.
s
2
+ 4.55
s
+ 42.25
4.
Overdamped
A-1, B-2, C-3, D-4
A-2, B-3, C-1, D-4
A-3, B-4, C-1, D-2
A-1, B-2, C-4, D-3
Q.26
Match the following:
List I (Types of N-bit ADC)
List II (Characteristics)
A.
Flash converter
1.
Integrating Type
B.
Successive
2.
Fastest converter approximation
C.
Counter ramp
3.
Maximum conversion time = N bits
D.
Dual slow
4.
Used a DAC in its feedback path
A-2, B-3, C-4, D-1
A-1, B-3, C-4, D-2
A-2, B-4, C-3, D-1
A-1, B-4, C-3, D-2
Q.27
Match the following:
List I
List II
A.
Mu Metal
1.
very high magnetic permeability
B.
Samrium/cobalt
2.
very high magnetic remanence
C.
Sapphire
3.
very high thermal conductivity
D.
Ferrites
4.
very stable magnetic permeability
A-1, B-2, C-3, D-4
A-3, B-4, C-1, D-2
A-2, B-3, C-4, D-1
A-4, B-1, C-2, D-3
Q.28
Match the following:
List I
List II
A.
LED
1.
Heavy Doping
B.
Avalanche Photodiode
2.
Coherent Radiation
C.
Tunnel diode
3.
Spontaneous Emission
D.
LASER
4.
Current gain
A-2, B-4, C-3
A-2, B-3, C-1, D-4
A-3, B-4, C-1, D-2
A-2, B-1, C-4, D-3
Q.29
Match the following:
List I (Logic family)
List II (Characteristic)
A.
TTL
1.
Maximum power consumption
B.
ECL
2.
Highest packing density
C.
NMOS
3.
Least power consumption
D.
CMOS
4.
Saturated Logic
A-1, B-4, C-2, D-3
A-1, B-4, C-3, D-2
A-4, B-1, C-2, D-3
A-4, B-1, C-3, D-2
Q.30
Match the following:
List I
List II
A.
Poles and zeros of lie an real axis driving point LC network
1.
lie an real axis
B.
Canonic LC network has
2.
a zero
C.
The number of Canonic networks for the given driving point function
3.
minimum number of elements
D.
The first critical frequency nearest the origin for RL driving point impedance
4.
four
5.
minimum number of elements
6.
alternate
7.
either a pole or zero
8.
three
A-1, B-5, C-8, D-7
A-6, B-5, C-3, D-2
A-1, B-5, C-4, D-2
A-1, B-3, C-4, D-7
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