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CS302 Quiz No.3 Shared by Umair

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 (Not Confirmed)
 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)

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