Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
The Boolean function A + BC is reduced form of | |
A. | AB + BC [Wrong Answer] |
B. | AB + ABC [Wrong Answer] |
C. | (A + B) (A + C) [Correct Answer] |
D. | (A + C)B [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ For generating 1 MHz frequency signal, the most suitable circuit is
phase shift oscillator
weinbridge oscillator
colpitt's oscillator
clapp oscillator
⇒
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
⇒ If Laplace transform of f(t) is F(s), then £ f(t - a) u (t - a)= 0
e^{as} F(s)
e^{-as} F(s)
- e^{as} F(s)
- e ^{-as} F(s)
⇒ How many and which types of machine cycles are needed to execute PUSH PSW by 8085 microprocessor?
2, Fetch and memory write
3, Fetch and memory write
3, Fetch and memory read
3, Fetch and memory read and memory write
⇒ The rating of a transformer to deliver 100 watts of D.C. power to a load under half wave rectifier will be nearly
1 kVA
350 VA
175 VA
108 VA
⇒ In 8085, the instruction CMA is an example of
Implict addressing
Direct addressing
Register addressing
Immediate addressing
⇒ High intermediate frequency in a superheterodyne receiver
higher than
lower than
equal to
not comparable to
⇒ The circuit consisting of two transistor connected in series with the d.c. supply voltage is called
push pull
differential pair
stacked V^{+}
complementary symmetry
⇒ When the gate terminal of MOSFET is positive, it is said to operate in
depletion mode
conduction mode
enhancement mode
none of the above
⇒ A network has two sources of different frequencies. The only method of analysis which can be used to find current and voltages of different branches is the use of
Kirchoff's laws
Superposition theorem
Thevenin's theorem
Tellegen's theorem
⇒
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 but R is wrong
R is correct but A is wrong
⇒ CMOS is extensively used in
pocket calculators
digital wrist watches
satellites
all of the above
⇒ The advantage of Marconi antenna over the ungrounded antenna is that
only one fourth of the height is required as compared to undergrounded antenna
one-half of the height is required as compared to undergrounded antenna
no capacitance required
none of the above
⇒ The electric field of an EM wave propagating in the z direction given
linearly polarized in z direction
elliptically polarized
left hand circularly polarized
right hand circularly polarized
⇒ The given figure shows three Nyquist plots of G(s) H(s) = e^{-sT}/[s(s + 1)] for different values of T. The curves 1, 2, 3 ca
for T = 0, 0.5 and 1 respectively
for T = 1, 0.5 and 0 respectively
for T = 0.5, 1 and 0 respectively
for T = 0, 1 and 0.5 respectively
⇒ Which of the following waves do not exist in waveguides?
TE waves
TM waves
TE and TM waves
TEM waves
⇒
A-1, B-4, C-2, D-3
A-3, B-4, C-2, D-1
A-1, B-2, C-4, D-3
A-3, B-2, C-4, D-1
⇒ If x_{1}(t) = 2 sin pt + cos 4 pt and x_{2}(t) = sin 5 pt + 3 sin 13 pt then
x_{1}, x_{2} both periodic
x_{1} x_{2} both not periodic
x_{1} periodic, x_{2} not periodic
x_{1} is not periodic ; but x_{2} is periodic
⇒ The directive gain of a transmitting antenna is
proportional to wavelength
inversely proportional to wavelength
proportional to square of wavelength
inversely proportional to square of wavelength
⇒ In case of a transistor amplifier the emitter resistance R_{e} is removed
the gain of the amplifier will reduce
heat sink will not be required
Q-point will become unstable
base to emitter function will be less forward biased
⇒
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 but R is wrong
A is wrong but R is correct
⇒ A trimmer is basically a
insulator
inductor
capacitor
variable resistor
⇒ A dipole antenna was radiating with some excitation in free space radiating a certain amount of the power. If this antenna is immersed in a lake where water is non-dissipative but has a dielectric constant of 81, the radiated power with the same excitation will
decrease to finite non-zero value
remain the same
increase
decrease to zero
⇒ In a 3 phase full converter, the instantaneous output voltage can have negative part if
firing angle is less than 60°
firing angle is less than 90°
firing angle is more than 60°
firing angle is more than 90°
⇒ An ac bridge uses galvanometer as detector.
TRUE
FALSE
⇒ An RC impadence function has a pole at s = 0. The first element in the Foster form of synthesis
is R
may be R and C
is C
is R and C in parallel
⇒ An antenna having an effective temperature of 27°K is fed into a microwave amplifier that has an effective noise temperature of 30 K. Calculate the available noise power per unit bandwidth
30 K
57 K
27 K
3K, K is Boltzmann constant
⇒ For a transfer function H(s) = P(s)/Q(s), where P(s) and Q(s) are polynomials in s
the degrees of P(s) is always greater than degree of Q(s)
the degree of P(s) and Q(s) are equal
the degree of P(s) is independent of degree of Q(s)
the maximum difference in degrees of P(s) and Q(s) is 1
⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are
real but not equal
real and equal
complex conjugate
imaginary
⇒ The advantages of flash memory over EEPROM are
higher density
lower cost
both higher density and lower cost
none of the above
⇒ For generating 1 MHz frequency signal, the most suitable circuit is
phase shift oscillator
weinbridge oscillator
colpitt's oscillator
clapp oscillator
⇒
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
⇒ If Laplace transform of f(t) is F(s), then £ f(t - a) u (t - a)= 0
e^{as} F(s)
e^{-as} F(s)
- e^{as} F(s)
- e ^{-as} F(s)
⇒ How many and which types of machine cycles are needed to execute PUSH PSW by 8085 microprocessor?
2, Fetch and memory write
3, Fetch and memory write
3, Fetch and memory read
3, Fetch and memory read and memory write
⇒ The rating of a transformer to deliver 100 watts of D.C. power to a load under half wave rectifier will be nearly
1 kVA
350 VA
175 VA
108 VA
⇒ In 8085, the instruction CMA is an example of
Implict addressing
Direct addressing
Register addressing
Immediate addressing
⇒ High intermediate frequency in a superheterodyne receiver
higher than
lower than
equal to
not comparable to
⇒ The circuit consisting of two transistor connected in series with the d.c. supply voltage is called
push pull
differential pair
stacked V^{+}
complementary symmetry
⇒ When the gate terminal of MOSFET is positive, it is said to operate in
depletion mode
conduction mode
enhancement mode
none of the above
⇒ A network has two sources of different frequencies. The only method of analysis which can be used to find current and voltages of different branches is the use of
Kirchoff's laws
Superposition theorem
Thevenin's theorem
Tellegen's theorem
⇒
Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.
Reason (R): All root locus asymptotes intersect on real axis.
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 but R is wrong
R is correct but A is wrong
⇒ CMOS is extensively used in
pocket calculators
digital wrist watches
satellites
all of the above
⇒ The advantage of Marconi antenna over the ungrounded antenna is that
only one fourth of the height is required as compared to undergrounded antenna
one-half of the height is required as compared to undergrounded antenna
no capacitance required
none of the above
⇒ The electric field of an EM wave propagating in the z direction given
linearly polarized in z direction
elliptically polarized
left hand circularly polarized
right hand circularly polarized
⇒ The given figure shows three Nyquist plots of G(s) H(s) = e^{-sT}/[s(s + 1)] for different values of T. The curves 1, 2, 3 ca
for T = 0, 0.5 and 1 respectively
for T = 1, 0.5 and 0 respectively
for T = 0.5, 1 and 0 respectively
for T = 0, 1 and 0.5 respectively
⇒ Which of the following waves do not exist in waveguides?
TE waves
TM waves
TE and TM waves
TEM waves
⇒
Match the following:
List I (Types of memory) | List II (Used As) | ||
---|---|---|---|
A. | DRAM | 1. | Cache memory |
B. | SRAM | 2. | Main memory |
C. | Parallel Access Registers | 3. | BIOS memory |
D. | ROM | 4. | CPU registers |
A-1, B-4, C-2, D-3
A-3, B-4, C-2, D-1
A-1, B-2, C-4, D-3
A-3, B-2, C-4, D-1
⇒ If x_{1}(t) = 2 sin pt + cos 4 pt and x_{2}(t) = sin 5 pt + 3 sin 13 pt then
x_{1}, x_{2} both periodic
x_{1} x_{2} both not periodic
x_{1} periodic, x_{2} not periodic
x_{1} is not periodic ; but x_{2} is periodic
⇒ The directive gain of a transmitting antenna is
proportional to wavelength
inversely proportional to wavelength
proportional to square of wavelength
inversely proportional to square of wavelength
⇒ In case of a transistor amplifier the emitter resistance R_{e} is removed
the gain of the amplifier will reduce
heat sink will not be required
Q-point will become unstable
base to emitter function will be less forward biased
⇒
Assertion (A): For a reciprocal microwave junction the S matrix is symmetrical.
Reason (R): In a symmetrical matrix S_{ij} = S_{ji}.
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 but R is wrong
A is wrong but R is correct
⇒ A trimmer is basically a
insulator
inductor
capacitor
variable resistor
⇒ A dipole antenna was radiating with some excitation in free space radiating a certain amount of the power. If this antenna is immersed in a lake where water is non-dissipative but has a dielectric constant of 81, the radiated power with the same excitation will
decrease to finite non-zero value
remain the same
increase
decrease to zero
⇒ In a 3 phase full converter, the instantaneous output voltage can have negative part if
firing angle is less than 60°
firing angle is less than 90°
firing angle is more than 60°
firing angle is more than 90°
⇒ An ac bridge uses galvanometer as detector.
TRUE
FALSE
⇒ An RC impadence function has a pole at s = 0. The first element in the Foster form of synthesis
is R
may be R and C
is C
is R and C in parallel
⇒ An antenna having an effective temperature of 27°K is fed into a microwave amplifier that has an effective noise temperature of 30 K. Calculate the available noise power per unit bandwidth
30 K
57 K
27 K
3K, K is Boltzmann constant
⇒ For a transfer function H(s) = P(s)/Q(s), where P(s) and Q(s) are polynomials in s
the degrees of P(s) is always greater than degree of Q(s)
the degree of P(s) and Q(s) are equal
the degree of P(s) is independent of degree of Q(s)
the maximum difference in degrees of P(s) and Q(s) is 1
⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are
real but not equal
real and equal
complex conjugate
imaginary
⇒ The advantages of flash memory over EEPROM are
higher density
lower cost
both higher density and lower cost
none of the above