Final Term
1.

A 8-bit serial in / parallel out shift register contains the value “8”, _____ clock signal(s) will be required to shift the value completely out of the register

A.  

1

B.  

2

C.  

4

D.  

8

2. In a sequential circuit the next state is determined by ________ and _______
A.  

State variable, current state

B.  

Current state, failed_lipJflop output

C.  

Current state and external input 

D.  

Input and clock signal applied

3. The divide-by-60 counter in digital clock is implemented by using two cascading counters:
A.  

Mod-6, Mod-10

B.  

ModJ50, ModJ10

C.  

ModJ10, ModJ50

D.  

ModJ50, ModJS

4. In NOR gate based S-R latch if both S and R inputs are set to logic 0, the previous output state is maintained.
A.  

True

B.  

False

5. The minimum time for which the input signal has to be maintained at the input of flip-flop is called ______ of the flip-flop.
A.  

SetJup time

B.  

Hold time

C.  

Pulse Interval time

D.  

Pulse Stability time (PST)

6. 74HC163 has two enable input pins which are _______ and _________
A.  

ENP, ENT

B.  

ENI, ENC

C.  

ENP, ENC

D.  

ENT, ENI

7. ____________ is said to occur when multiple internal variables change due to change in one input variable
A.  

Clock Skew

B.  

Race condition

C.  

Hold delay

D.  

Hold and Wait

8. The _____________ input overrides the ________ input
A.  

Asynchronous, synchronous 

B.  

Synchronous, asynchronous

C.  

Preset input (PRE), Clear input (CLR)

D.  

Clear input (CLR), Preset input (PRE)

9. A decade counter is __________.
A.  

ModJ3 counter

B.  

ModJ5 counter

C.  

ModJ8 counter

D.  

Mod-10 counter

10. In asynchronous transmission when the transmission line is idle, _________
A.  

It is set to logic low

B.  

It is set to logic high

C.  

Remains in previous state

D.  

State of transmission line is not used to start transmission