Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Examine the following truth table. The product of sum from this truth tabl | |
A. | (X + Y) (X + Y) [Wrong Answer] |
B. | (X + Y) (X + Y) [Wrong Answer] |
C. | (X + Y) (X + Y) [Wrong Answer] |
D. | (X + Y) (X + Y) [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ For the system in the given figure G varies slightly, the ratio of open loop sensitivity to closed loop sensitivit
1 : (1 + GH)
1 : (1 + GH)^{-1}
1 : (1 - GH)
1 : (1 - GH)^{-1}
⇒ A XOR gate has inputs A and B and output Y. Then the output equation is
Y = AB
Y = AB + A B
Y = A B + A B
Y = A B + A B
⇒ Some of MOS families are PMOS, CMOS, the family dominating the LSI field, where low power consumption is necessary is
NMOS
CMOS
PMOS
both NMOS, CMOS
⇒ Schrodinger wave equation is a
linear equation
differential equation
partial differential equation
none of the above
⇒ In the CMOS inverter
one transistor is N channel and the other P channel
one is enhancement type and other depletion type
both are N channel with one enhancement and the other depletion type
none
⇒ Wave A = 100 sin ωt and wave B = 100 cos ωt. Then
rms values of the two waves are equal
rms values of A is more than that of B
rms values of A is less than that of B
rms values of the two waves may or may not be equal
⇒ Performance of a PIN diode switch is represented by
insertion loss when switch is off
insertion loss when switch is on
insertion loss when switch is on and isolation loss when switch is off
insertion loss when switch is off and isolation loss when switch is on
⇒ The output impedance of a logic pulser is
low
high
may be Low or High
can't say
⇒ The precision of an instrument indicates its ability to reproduce a certain reading with a given
drift
resolutions
shift
consistency
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ Find R_{TH200 Ω0 Ω400 ΩNone of these}
⇒ Tellegen's theorem is applicable to
circuits with passive elements only
circuits with linear elements only
circuits with time invariant elements only
circuits with active or passive, linear or nonlinear and time invariant or time varying elements
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
⇒ The circuit of figure give an output which
a frequency modulated signal
an amplitude modulated signal
a phase modulated signal
none of the above
⇒ Which chopper circuit uses saturable reactor?
Auxiliary commutated
Jones chopper
Morgan chopper
Load commutated
⇒ Consider the following statements
1 and 3
2 and 4
3 and 4
1 and 2
⇒ Which of the following statements is not correct?
Propagation delay is the time required for a gate to change its state
Noise immunity is the amount of noise which can be applied to the input of a gate without causing the gate to change state
Fan-in of a gate is always equal to fan-out of the same gate
Operating speed is the maximum frequency at which digital data can be applied to a gate
⇒ Diamond is a paramagnetic material.
TRUE
FALSE
⇒ Hari (H), Gita (G), Irfan (I) and Saira (S) are sibiligs (i.e. brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following fa
HSIG
SGHI
IGSH
IHSG
⇒ BCD number 1100111 = __________ _{10}
66
67
68
69
⇒ Which one of following is correct for broadside array?
Direction of radiation is perpendicular to axis
Also perpendicular to the plane
Current is fed of equal amplitude equal phase
All
⇒ Space wave may be a direct wave or wave reflected from earth.
TRUE
FALSE
⇒ In a low power factor wattmeter, compensation for pressure coil current is provided.
TRUE
FALSE
⇒ A NOR gate is a combination of
OR gate and AND gate
AND gate and NOT gate
OR gate and NOT gate
two NOT gates
⇒ A high pulse repetition frequency in a radar
increases the maximum range
decreases the maximum range
has no effect on the maximum range
either (a) or (b) depending on other factors
⇒ An inductor filter has a ripple that __________ with load resistance and consequently is used only with relatively __________ load currents.
decreases, low
decreases, high
increases, low
increases, high
⇒ Short-circuited stubs are used, because open-circuited stubs are
liable to radiate
complex in nature
providing open-circuit environments
unable to provide work over large frequency range
⇒ The advantage of using crystal oscillator is that it
requires low d.c. supply voltage
works at high frequency
gives high output voltage
gives constant frequency of oscillations
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
⇒ In a 3 phase full wave regulator feeding a star connected resistance load the input voltage is 400 V line to line. The firing angle is 160°. The line to line output voltage would be
400 V
about 100 V
about 20 V
zero
⇒ For the system in the given figure G varies slightly, the ratio of open loop sensitivity to closed loop sensitivit
1 : (1 + GH)
1 : (1 + GH)^{-1}
1 : (1 - GH)
1 : (1 - GH)^{-1}
⇒ A XOR gate has inputs A and B and output Y. Then the output equation is
Y = AB
Y = AB + A B
Y = A B + A B
Y = A B + A B
⇒ Some of MOS families are PMOS, CMOS, the family dominating the LSI field, where low power consumption is necessary is
NMOS
CMOS
PMOS
both NMOS, CMOS
⇒ Schrodinger wave equation is a
linear equation
differential equation
partial differential equation
none of the above
⇒ In the CMOS inverter
one transistor is N channel and the other P channel
one is enhancement type and other depletion type
both are N channel with one enhancement and the other depletion type
none
⇒ Wave A = 100 sin ωt and wave B = 100 cos ωt. Then
rms values of the two waves are equal
rms values of A is more than that of B
rms values of A is less than that of B
rms values of the two waves may or may not be equal
⇒ Performance of a PIN diode switch is represented by
insertion loss when switch is off
insertion loss when switch is on
insertion loss when switch is on and isolation loss when switch is off
insertion loss when switch is off and isolation loss when switch is on
⇒ The output impedance of a logic pulser is
low
high
may be Low or High
can't say
⇒ The precision of an instrument indicates its ability to reproduce a certain reading with a given
drift
resolutions
shift
consistency
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ Find R_{TH200 Ω0 Ω400 ΩNone of these}
⇒ Tellegen's theorem is applicable to
circuits with passive elements only
circuits with linear elements only
circuits with time invariant elements only
circuits with active or passive, linear or nonlinear and time invariant or time varying elements
⇒
Assertion (A): The carry look ahead adder is very fast
Reason (R): The carry look ahead adder generates the carry and sum digits directly.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
⇒ The circuit of figure give an output which
a frequency modulated signal
an amplitude modulated signal
a phase modulated signal
none of the above
⇒ Which chopper circuit uses saturable reactor?
Auxiliary commutated
Jones chopper
Morgan chopper
Load commutated
⇒ Consider the following statements
- ECL has least propagation delay
- TTL has largest fan out
- CMOS has highest noise margin
- TTL has lowest power dissipation
1 and 3
2 and 4
3 and 4
1 and 2
⇒ Which of the following statements is not correct?
Propagation delay is the time required for a gate to change its state
Noise immunity is the amount of noise which can be applied to the input of a gate without causing the gate to change state
Fan-in of a gate is always equal to fan-out of the same gate
Operating speed is the maximum frequency at which digital data can be applied to a gate
⇒ Diamond is a paramagnetic material.
TRUE
FALSE
⇒ Hari (H), Gita (G), Irfan (I) and Saira (S) are sibiligs (i.e. brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following fa
HSIG
SGHI
IGSH
IHSG
⇒ BCD number 1100111 = __________ _{10}
66
67
68
69
⇒ Which one of following is correct for broadside array?
Direction of radiation is perpendicular to axis
Also perpendicular to the plane
Current is fed of equal amplitude equal phase
All
⇒ Space wave may be a direct wave or wave reflected from earth.
TRUE
FALSE
⇒ In a low power factor wattmeter, compensation for pressure coil current is provided.
TRUE
FALSE
⇒ A NOR gate is a combination of
OR gate and AND gate
AND gate and NOT gate
OR gate and NOT gate
two NOT gates
⇒ A high pulse repetition frequency in a radar
increases the maximum range
decreases the maximum range
has no effect on the maximum range
either (a) or (b) depending on other factors
⇒ An inductor filter has a ripple that __________ with load resistance and consequently is used only with relatively __________ load currents.
decreases, low
decreases, high
increases, low
increases, high
⇒ Short-circuited stubs are used, because open-circuited stubs are
liable to radiate
complex in nature
providing open-circuit environments
unable to provide work over large frequency range
⇒ The advantage of using crystal oscillator is that it
requires low d.c. supply voltage
works at high frequency
gives high output voltage
gives constant frequency of oscillations
⇒
Assertion (A): A two byte instruction of 8085 has an operation code in first byte and operand / address in the second byte.
Reason (R): If an instruction is too long it is possible to reduce its length by a number of methods.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
⇒ In a 3 phase full wave regulator feeding a star connected resistance load the input voltage is 400 V line to line. The firing angle is 160°. The line to line output voltage would be
400 V
about 100 V
about 20 V
zero