Question # 1 of 10 ( Start time:
11 :29 :09 PM ) Total Marks: 1
Bi- stable devices remain in either of
their _________ states unless the
inputs force the device to switch its
state
Select correct option :
Ten
Eight
Three
Two
Question # 2 of 10 ( Start time:
11 :30 :10 PM ) Total Marks: 1
In Synchronous systems, the output of
all the digital circuits changes when an
enable signal is applied instead of the
clock signal.
Select correct option :
True
False (Page No . 228)
Question # 3 of 10 ( Start time:
11 :30 :31 PM ) Total Marks: 1
________ flip - flops are obsolete now .
Select correct option :
Edge - triggered
Master - Slave (Page No . 257 )
T - Flipflop
D - Flipflop
Question # 4 of 10 ( Start time:
11 :31 :21 PM ) Total Marks: 1
If a circuit suffers “ Clock Skew “
problem, the output of circuit can ’ t be
guarantied .
Select correct option :
True
False
Question # 5 of 10 ( Start time:
11 :31 :36 PM ) Total Marks: 1
Flip flops are also called
_____________
Select correct option :
Bi- stable multivibrators ( Page No.
228)
Bi- stable singlevibrators
Bi- stable dualvibrators
Bi- stable transformer
Question # 6 of 10 ( Start time:
11 :33 :01 PM ) Total Marks: 1
A mono- stable device only has a single
stable state
Select correct option :
True ( Page No. 262 )
False
Question # 7 of 10 ( Start time:
11 :33 :43 PM ) Total Marks: 1
If S = 1 and R = 0 , then for positive edge
triggered flip - flop Q ( t + 1 ) =
_________
Select correct option :
0
1 ( Page No. 230 )
Invalid
Input is invalid
Question # 8 of 10 ( Start time:
11 :34 :03 PM ) Total Marks: 1
If the S and R inputs of the gated S - R
latch are connected together using a
______ gate then there is only a single
input to the latch . The input is
represented by D instead of S or R ( A
gated D - Latch)
Select correct option :
AND
OR
NOT ( Page No. 226 )
XOR
Question # 9 of 10 ( Start time:
11 :35 :17 PM ) Total Marks: 1
In Master - Slave flip - flop the Clock
signal is connected to Slave flip - flip
using ________ gate
Select correct option :
AND
OR
NOT
NAND
Question # 10 of 10 ( Start time :
11 :36 :46 PM ) Total Marks: 1
The glitches due to " Race Condition"
can be avoided by using a ___________
Select correct option :
Gated flip - flops
Pulse triggered flip - flops
Positive - Edge triggered flip - flops
Negative - Edge triggered flip - flops
(Page No . 267 )
