APTITUDE QUESTIONS

Many more yet to come, Stay Tuned.

Sample Question :


1.
Tanya is older than Eric.
Cliff is older than Tanya.
Eric is older than Cliff.
If the first two statements are true, the third statement is

A. true
B. false
C. uncertain

2.

Which cells are placed in Soft blockages?No cells
Any cells
Only sequential cells
Only Buffers and Inverters



3.
Metal layer ____ has Maximum resistance?1
2
3
4


4.
What does chip utilization depend on?Only on standard cells
Only on macros
Standard cells and macros both
Standard cells, macros and IO pads

5.
Leakage power is inversely proportional to _____________.
Frequency
Load Capacitance
Supply voltage
Threshold Voltage

6.
What does Prerouting mean?
Routing of clock nets
Routing of signal nets
Routing of IO nets
Routing of PG nets

7.
Utilisation of the chip after placement optimisation will _____________.
Be Constant
Decrease
Increase
None of the above

8.

What is the purpose of CTS?
Minimum Slack
Minimum Skew
Minimum EM
Minimum IR Drop

9.
Which cells would you place in the critical path for a better timing?
LVT
HVT
RVT
SVT


10.
Which of the following is a correct boolean expression ?a) A + A = A b) A+AB = B c) AB' + B'A = A+B d) None

Ans = a


11.
How many 2:1 mux can be used to implement 3:8 decoder ?
a) 5 b) 6 c) 8 d) 7