Question is ⇒ In a JK master slave flip flop, Options are ⇒ (A) master is clocked when clock is low, (B) slave is clocked when clock is high, (C) master is clocked when clock is high and slave is clocked when clock is low, (D) master is clocked when clock is low and slave is clocked when clock is high, (E) , Leave your comments or Download question paper.

Question is ⇒ In a JK master slave flip flop, Options are ⇒ (A) master is clocked when clock is low, (B) slave is clocked when clock is high, (C) master is clocked when clock is high and slave is clocked when clock is low, (D) master is clocked when clock is low and slave is clocked when clock is high, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a JK master slave flip flop
A.	master is clocked when clock is low [Wrong Answer]
B.	slave is clocked when clock is high [Wrong Answer]
C.	master is clocked when clock is high and slave is clocked when clock is low [Correct Answer]
D.	master is clocked when clock is low and slave is clocked when clock is high [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Diffraction of electromagnetic wave
is caused by reflection from the ground
may occur around the edge of a sharp obstacle
arises only with spherical wavefronts
none of these

⇒ 4 bit 2's complement representation of a decimal number is 1000. The number is
8
0
-7
-8

⇒ In a purely inductive circuit, the current __________ the voltage by __________ .
lags, 0°
leads, 90°
lags, 90°
lags, 45°

⇒ In a conductor the conduction and valence bands overlap
TRUE
FALSE

⇒ A lag compensator
speeds up the transient response of the system
improves steady state behaviour of the system
improves steady state behaviour and speeds up the transient response of the system
improves steady state behaviour and preserves the transient response of the system

⇒ The power requirement of a RADAR used in military operations is
a few watts
about 500 W
about 2000 W
a few megawatts

⇒ In a backward wave oscillator the wave travelling along the line winds itself back and forth
TRUE
FALSE

⇒ A single phase half wave controlled rectifier circuit has a free wheeling diode. The load is a combination of R and L. The firing angle is a. The period of conduction of SCR and free wheeling diode respectively are
a < ωt < p and p < ωt < (2p + a)
a < ωt < p and p < ωt < 2p
a < ωt < (p + a) and (p + a) < ωt < 2p
a < ωt < p and p < ωt < (2p - a)

⇒ Which one of the following statements regarding DSI is wrong?
It is a digital form of TASI
Though it is more efficient than TASI, it is much slower
A speaker has to wait (it at all) for only a few milliseconds for reallocation of channel
It has increased the capacity of satellite channels by a factor of 2.2 or more with out degrading speech quality

⇒ A line of characteristic impedance 400 Ω is terminated by a resistance of 400 Ω. The reflected quantities are
zero
equal to incident quantities
half the incident quantities
double the incident quantities

⇒ Power transistors are invariably provided with
soldered connections
heat sink
metallic casing
none of the above

⇒ Which of the following microphones has maximum distortion?
Ribbon
Condenser
Crystal
Carbon

⇒ What does a link budget for satellite communication include?
Total cost of satellite
Cost of satellite plus launch vehicle
Signal and noise levels is dB
Margins of error permitted

⇒ On which bands, do the optical fibers operate?

Ultra violet band
Ultra high frequency band
Visible light band
Infrared band

Select the correct answer from the codes given below:
1 only
1 and 2 only
1, 2 and only
1, 3 and 4

⇒ In a practical oscillator, the magnitude of loop gain Aβ is kept slightly larger than unity and the amplitude of oscillations is limited by
the ratio of A to β
the on set of non-linearity of amplifying device
the linearity of amplifying device
all of the above

⇒ Damping ratio =
actual resistance/critical resistance
critical resistance/actual resistance
critical resistance
none of the above

⇒ The D.C. alpha(a) of a transistor is approximately
unity
10 to 50
100 to 500
1000 to 5000

⇒ High speed counter
ring counter
ripple counter
synchronous counter
asynchronous counter

⇒ A remote control for TV uses
LED in receiver and photodiode in transmitter
LED in transmitter and photodiode in receiver
LED in both transmitter and receiver
Photodiode in both transmitter and receiver

⇒ In AM receiver the oscillator frequency is
always equal to signal frequency
always equal to 455 kHz
always higher than signal frequency
always lower than signal frequency

⇒ Which of the following is used to obtain output position in a position control system?
Strain gauge
Load cell
Synchro
Thermistor

⇒ Gain of an antenna with a circular aperture of diameter 4 meter at frequency of 10 GHz, with directivity 60
60
100
30
90

⇒ For holding the drain current constant in spite of large changes in JFET parameters
current source bias is used
voltage divider bias is used
reverse bias is used
no bias is used

⇒ FM transmitting and receiving equipment as compared to AM equipment is
costly
cheaper
almost equally costly
none of the above

⇒ Pick the odd one out
PPM
PDM
PWM
PLM

⇒ Equal amplitude ac signals are given as inputs to both inverting and given as inputs to both inverting and non-inverting terminals of an op-amp. The output will be zero when the phase difference between inputs is
0°
90°
180°
270°

⇒ The circuit in the given figur
positive logic OR gate
negative logic OR gate
negative logic AND gate
positive logic AND gate

⇒ A black box has one of the elements our of R, L, C. when a 220 V a supply is connected the current supplied by source is I. when a 0.1 F capacitor is connected in parallel with the box, the current is 2I. The element is
resistance
inductance
0.1 F capacitance
not identifiable on the basis of given data

⇒ The poles of an RC function
are simple and lie or negative real axis
are simple and lie on ω axis
must be complex conjugate
may be anywhere on s plane

⇒ In the signal flow graph of figure, y/x equ
3
42857
2
None of the above