Question # 1 of 10 ( Start time: 09 : 29 :
25 PM ) Total Marks : 1
A stage in the shift register consists
of
Select correct option :
a latch
a flip flop
a byte of storage
four bits of storage
Question # 2 of 10 ( Start time: 09 : 30 :
51 PM ) Total Marks : 1
When an eight bit serial in / serial out
shift register is used for a 24 micro
seconds time delay , the clock
frequenct must be
Select correct option :
41 .67 KHz
333 KHz not confirm
125 KHz
8 MHz
Question # 3 of 10 ( Start time: 09 : 33 :
12 PM ) Total Marks : 1
Asynchronous mean that _ _ _ _ _ _ _ _ _ _ _ _
_
Select correct option :
Each flip - flop after the first one is
enabled by the output of the preceding
flip - flop
Each flip - flop is enabled by the output
of the preceding flip - flop
Each flip - flop except the last one is
enabled by the output of the preceding
flip - flop
Each alternative flip - flop after the
first one is enabled by the output of t
Question # 4 of 10 ( Start time: 09 : 35 :
07 PM ) Total Marks : 1
Divide - by- 160 counter is acheived by
using
Select correct option :
Flip - Flop and DIV 10
Flip - Flop and DIV 16
DIV 16 and DIV 32
DIV 16 and DIV 10
Question # 5 of 10 ( Start time: 09 : 36 :
08 PM ) Total Marks : 1
A 4 - bit UP / DOWN counter is in DOWN
mode and in the 1010 state . on the
next clock pulse , to what state does the
counter go ?
Select correct option :
1001
1011
0011
1100
Question # 6 of 10 ( Start time: 09 : 36 :
46 PM ) Total Marks : 1
In moore machine the output depends
on
Select correct option :
the current state and the output of
previous flip flop
only inputs
the current state
the current state and inputs
Question # 7 of 10 ( Start time: 09 : 37 :
50 PM ) Total Marks : 1
A divide- by- 10 Johnson counter
requires
Select correct option :
ten flip - flops
four flip - flops
five flip - flops
twelve flip - flops
Question # 8 of 10 ( Start time: 09 : 38 :
56 PM ) Total Marks : 1
Three cascaded modulus - 10 counters
have an overall modulus of
Select correct option :
30
100
1000
10000
Question # 9 of 10 ( Start time: 09 : 39 :
24 PM ) Total Marks : 1
A divide- by- 10 ring counter requires a
minimum of
Select correct option :
ten flip - flops
five flip - flops
four flip - flops
twelve flip - flops
Question # 10 of 10 ( Start time : 09 :
39 :59 PM ) Total Marks: 1
Number of states in an 8 - bit Johnson
counter sequence are :
Select correct option :
8
12
14
16
