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T-flip-flop is commonly used as | |
A. | a delay switch [Wrong Answer] |
B. | a digital counter only [Wrong Answer] |
C. | a digital counter and frequency divider [Correct Answer] |
D. | any of the above [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 :
⇒ A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is
20 mH
about 31 mH
about 51 mH
about 92 mH
⇒ Rank of the matr
3
2
1
4
⇒ Earth's curvature affects the effective height of antenna.
TRUE
FALSE
⇒ End fire array is called a linear resonant dipole array.
TRUE
FALSE
⇒ In TV system in India IF video and IF audio frequencies are
33.4 and 28.4 MHz respectively
38.9 and 33.4 MHz respectively
43.8 and 38.9 MHz respectively
33.4 and 38.9 MHz respectively
⇒ Which of the following Boolean algebra rules is correct?
A . A = 1
A + AB = A + B
A + A B = A + B
A(A + B) = B
⇒ How many zone bits are th
2
4
8
16
⇒ 2N 2430 could be a
semi-conductor diode
dual gate MOSFET
BJT
UJT
⇒ Which of the following needs DC forward voltage to emit light?
LED
LCD
Both LED as well as LCD
None of the above
⇒ FIR digital filter having __________ stability than FIR filter.
good stability
poor stability
stability not guarnteed
poor stability
⇒ The figures shows the symbo
p channel depletion MOSFET
p channel enhancement MOSFET
complementary MOSFET
p channel JFET
⇒ An image uses 512 x 512 picture elements. Each element can take any of eight distinguishable levels. The maximum entropy in the above image will be
2097152 bits
786432 bits
648 bits
144 bits
⇒ A universal RLC bridge uses
Maxwell bridge for measurement of inductance and De Sauty's bridge for measurement of capacitance
Maxwell's bridge for measurement of inductance and modified De Sauty bridge for measurement of capacitance
Maxwell Wien bridge for measurement of inductance and modified De Sauty bridge for measurement of inductance
Maxwell Wien bridge for measurement of inductance and Wien bridge for measurement of capacitance
⇒ Assume that only x and y logic inputs are available. What is the minimum number of 2-input NAND gates required to implement x ⊕ y?
2
3
4
5
⇒
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
⇒ Greatest mobility can be expected in case of
holes
protons
electrons
negative ions
⇒ The circuit shown in the figure is best described
bridge rectifier
ring modulator
frequency discriminator
voltage doubler
⇒ 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)
⇒ In commercial electron tubes the current produced by the cathode at 1000 K is about
0.01 A per cm^{2} of cathode surface
0.1 A per cm^{2} of cathode surface
1 A per cm^{2} of cathode surface
5 A per cm^{2} of cathode surface
⇒ A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. The image rejection of the receiver is
5870
3655
236
13.3
⇒
A-1, B-2, C-3
A-1, B-2, C-3
A-3, B-1, C-2
A-3, B-2, C-1
⇒ The characteristic equation of a feedback control system is given by s^{3} + 5s^{2} + (K + 6)s + K
(- 3, 0)
(- 2, 0)
(- 1, 0)
(2, 0)
⇒ Coupling and bypass filters can be a source of
low-frequency parasitics
high-frequency parasitics
carrier frequency parasitics
none of the above
⇒ The signumm function written as [sgn(t)] is defined as
sgn(t) = - 1 for t < 0, = 0 for t = 0 and = 1 for t > 0
sgn(t) = 1 for t < 0, = 0 for t = 0 and = - 1 for t > 0
sgn(t) = 0 for t < 0, = 1 for t = 0 and = 0 for t > 0
sgn(t) = 0 for t < 0, = 1 for t^{3} 0
⇒ For a transistor the normal collector voltage is 12 V. If actually it is found to be + 28 V, the trouble could be
R_{L} is open
R_{E} is open
C_{E} is shorted
C_{E} is open
⇒ In any two port network, input impedance is independent of load impedance.
TRUE
FALSE
⇒ TTL XOR gate is very suitable as LCO driver.
TRUE
FALSE
⇒ Which of the following statement is false?
The gate of DMOSFET may be biased positively, zero or negatively
N-channel enhancement-only MOSFET conducts only when its gate is highly positive
JFET has lower input impedance than MOSFET
The bipolar base is forward biased, JFET gate must also be forward biased
⇒ In terms of ABCD parameters, the image parameter Z_{11} is equal to
AC/BD
BD/AC
AB/CD
AD/BC
⇒ Direct and reflected sound waves may interfere with each other.
TRUE
FALSE
⇒ A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is
20 mH
about 31 mH
about 51 mH
about 92 mH
⇒ Rank of the matr
3
2
1
4
⇒ Earth's curvature affects the effective height of antenna.
TRUE
FALSE
⇒ End fire array is called a linear resonant dipole array.
TRUE
FALSE
⇒ In TV system in India IF video and IF audio frequencies are
33.4 and 28.4 MHz respectively
38.9 and 33.4 MHz respectively
43.8 and 38.9 MHz respectively
33.4 and 38.9 MHz respectively
⇒ Which of the following Boolean algebra rules is correct?
A . A = 1
A + AB = A + B
A + A B = A + B
A(A + B) = B
⇒ How many zone bits are th
2
4
8
16
⇒ 2N 2430 could be a
semi-conductor diode
dual gate MOSFET
BJT
UJT
⇒ Which of the following needs DC forward voltage to emit light?
LED
LCD
Both LED as well as LCD
None of the above
⇒ FIR digital filter having __________ stability than FIR filter.
good stability
poor stability
stability not guarnteed
poor stability
⇒ The figures shows the symbo
p channel depletion MOSFET
p channel enhancement MOSFET
complementary MOSFET
p channel JFET
⇒ An image uses 512 x 512 picture elements. Each element can take any of eight distinguishable levels. The maximum entropy in the above image will be
2097152 bits
786432 bits
648 bits
144 bits
⇒ A universal RLC bridge uses
Maxwell bridge for measurement of inductance and De Sauty's bridge for measurement of capacitance
Maxwell's bridge for measurement of inductance and modified De Sauty bridge for measurement of capacitance
Maxwell Wien bridge for measurement of inductance and modified De Sauty bridge for measurement of inductance
Maxwell Wien bridge for measurement of inductance and Wien bridge for measurement of capacitance
⇒ Assume that only x and y logic inputs are available. What is the minimum number of 2-input NAND gates required to implement x ⊕ y?
2
3
4
5
⇒
Assertion (A): A composite video signal has synchronising pulses.
Reason (R): It is necessary to synchronise the scanning process in the transmitter and receiver.
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
⇒ Greatest mobility can be expected in case of
holes
protons
electrons
negative ions
⇒ The circuit shown in the figure is best described
bridge rectifier
ring modulator
frequency discriminator
voltage doubler
⇒ 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)
⇒ In commercial electron tubes the current produced by the cathode at 1000 K is about
0.01 A per cm^{2} of cathode surface
0.1 A per cm^{2} of cathode surface
1 A per cm^{2} of cathode surface
5 A per cm^{2} of cathode surface
⇒ A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. The image rejection of the receiver is
5870
3655
236
13.3
⇒
Match the following:
List I (BJT amplifier) | List II (Characteristics) | ||
---|---|---|---|
A. | CE | 1. | good voltage gain, good current gain |
B. | CC | 2. | voltage gain less than 1, high current gain |
C. | CB | 3. | current gain less than 1, voltage gain high |
A-1, B-2, C-3
A-1, B-2, C-3
A-3, B-1, C-2
A-3, B-2, C-1
⇒ The characteristic equation of a feedback control system is given by s^{3} + 5s^{2} + (K + 6)s + K
(- 3, 0)
(- 2, 0)
(- 1, 0)
(2, 0)
⇒ Coupling and bypass filters can be a source of
low-frequency parasitics
high-frequency parasitics
carrier frequency parasitics
none of the above
⇒ The signumm function written as [sgn(t)] is defined as
sgn(t) = - 1 for t < 0, = 0 for t = 0 and = 1 for t > 0
sgn(t) = 1 for t < 0, = 0 for t = 0 and = - 1 for t > 0
sgn(t) = 0 for t < 0, = 1 for t = 0 and = 0 for t > 0
sgn(t) = 0 for t < 0, = 1 for t^{3} 0
⇒ For a transistor the normal collector voltage is 12 V. If actually it is found to be + 28 V, the trouble could be
R_{L} is open
R_{E} is open
C_{E} is shorted
C_{E} is open
⇒ In any two port network, input impedance is independent of load impedance.
TRUE
FALSE
⇒ TTL XOR gate is very suitable as LCO driver.
TRUE
FALSE
⇒ Which of the following statement is false?
The gate of DMOSFET may be biased positively, zero or negatively
N-channel enhancement-only MOSFET conducts only when its gate is highly positive
JFET has lower input impedance than MOSFET
The bipolar base is forward biased, JFET gate must also be forward biased
⇒ In terms of ABCD parameters, the image parameter Z_{11} is equal to
AC/BD
BD/AC
AB/CD
AD/BC
⇒ Direct and reflected sound waves may interfere with each other.
TRUE
FALSE