Font size
WorksheetsDD Unit 5 - Quiz 11
Total questions: 20
Worksheet time: 10mins
JK FF is a combination of
SR, D
SR, T
T, D
All of these
D FF is known as
Data
delay
Data and Delay
None of these
The memory elements in the Sequential circuits are generally
Flip-flops
RAM
Shift registers
Counters
Racing is avoided in JK Flip-flops by
Avoiding clock signal
Keeping filters
using Master slave JK
None of these
The characteristic equation for T Flip-flop is
TQ+T'Q'
TQ'+T'Q
TQ
TQ'
While converting SR FF to D FF, the SR inputs are
S=D', R=D
S=R=D
S=R'=D'
S=D, R=D'
The number of direct inputs for SR, D, T and JK are
2,3,4,3
2,2,2,2
2,1,1,2
More than 2
The output stage of any Latch or Flip-flop is
Depends on the type of FF
Back to back connected NOR
Back to back connected NAND
Can not say
If J=0, K=1, the next state output Q(n+1) of JK FF is
0
1
Qn
Qn'
In T FF, if Qn and Q(n+1) are same, then the value of the T is
0
1
Qn
Qn'
What are the conditions for the Race around problem in JK FF
J=K=1
Clock time has to be greater than the Propagation delay
Both of these
None of these
Which inputs should not be given for SR FF
0,0
0,1
1,0
1,1
The next state (Q(n+1)) of D FF is
Qn
Qn'
D
D'
The output & Next state of a Sequential circuit depends on
Present inputs
Present state
Both of these
None of these
Which of the following is an example of a Sequential Circuit
Binary Parallel adder
Serial adder
BCD adder
Carry look ahead adder
Which of the following is true in case of Synchronous sequential circuit
Contains feedback path
Clocked FFs are used
The speed of the circuit depends on the speed of the clock
All of these
For each clock, if the output has to change, then which of the following are used
SR FF with S=R=1
T FF, with T=1
JK FF with J=K=1
Option B or C
When both inputs of SR FF are 0,0, then the output Qn+1 is
1
0
No change
Qn’
The relation between the two outputs of the FF is
Can’t say
Same
No relation
Complement to each other
In the excitation table of a FF, the LHS contains ___ and the RHS contains ___
D/SR/T/JK, Q&Q’
Q&Q’, D/SR/T/JK
D/SR/T/JK & Qn, Qn+1
Qn, Qn’
