Simulation - Electronic Engineering (MCQ) questions & answers

1)   What is/are the necessity/ies of Simulation Process in VHDL?

a. Requirement to test designs before implementation & usage
b. Reduction of development time
c. Decrease the time to market
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


2)   Timing analysis is more efficient with synchronous systems whose maximum operating frequency is evaluated by the _________path delay between consecutive flip-flops.

a. shortest
b. average
c. longest
d. unpredictable
Answer  Explanation 

ANSWER: longest

Explanation:
No explanation is available for this question!


3)   Which functions are performed by static timing analysis in simulation?

a. Computation of delay for each timing path
b. Logic analysis in a static manner
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Both a and b

Explanation:
No explanation is available for this question!


4)   An event is nothing but ______ target signal, which is to be updated.

a. Fixed
b. Change on
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Change on

Explanation:
No explanation is available for this question!


5)   Which concept proves to be beneficial in acquiring concurrency and order independence?

a. Alpha delay
b. Beta delay
c. Gamma delay
d. Delta delay
Answer  Explanation 

ANSWER: Delta delay

Explanation:
No explanation is available for this question!


6)   After an initialization phase, the simulator enters the ______phase.

a. Compilation
b. Elaboration
c. Execution
d. None of the above
Answer  Explanation 

ANSWER: Execution

Explanation:
No explanation is available for this question!


7)   Which among the following is not a characteristic of 'Event-driven Simulator'?

a. Identification of timing violations
b. Storage of state values & time information
c. Time delay calculation
d. No event scheduling
Answer  Explanation 

ANSWER: No event scheduling

Explanation:
No explanation is available for this question!


8)   Which type of simulator/s neglect/s the intra-cycle state transitions by checking the status of target signals periodically irrespective of any events?

a. Event-driven Simulator
b. Cycle-based Simulator
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Cycle-based Simulator

Explanation:
No explanation is available for this question!


9)   In the simulation process, which step specifies the conversion of VHDL intermediate code so that it can be used by the simulator?

a. Compilation
b. Elaboration
c. Initialization
d. Execution
Answer  Explanation 

ANSWER: Elaboration

Explanation:
No explanation is available for this question!


10)   Which type of simulation mode is used to check the timing performance of a design?

a. Behavioural
b. Switch-level
c. Transistor-level
d. Gate-level
Answer  Explanation 

ANSWER: Gate-level

Explanation:
No explanation is available for this question!