Digital Hardware Design Testing Methods - Electronic Engineering (MCQ) questions & answers

1)   Which benefits can be provided by Silicones due to its availability for wide range of viscosities?

a. Automated efficiency in assembly process
b. Reliability of dispense and moulding processes
c. Corrosion minimization
d. Flexibility in stress absorption in package
Answer  Explanation 

ANSWER: Reliability of dispense and moulding processes

Explanation:
No explanation is available for this question!


2)   What is the purpose of consuming low power in tachometer or inexpensive frequency counter ICM7555 /CMOS 555?

a. Generation of gate signal
b. Generation of RESET signal
c. Generation of STORE signal
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


3)   Which form of transition results into an existence of a dynamic hazard in synchronous designing?

a. 0 → 1 → 0 → 1
b. 0 → 0 → 0 → 1
c. 1 → 0 → 0 → 0
d. 1 → 0 → 1 → 0
Answer  Explanation 

ANSWER: 1 → 0 → 1 → 0

Explanation:
No explanation is available for this question!


4)   Which pin assists in transferring the contents of counter into latches under external control in ICM 7217A LED display?

a. EQUAL
b. UP/ DOWN
c. RESET
d. STORE
Answer  Explanation 

ANSWER: STORE

Explanation:
No explanation is available for this question!


5)   Why are the silicones utilized in high brightness LED packages?

a. For protection and thermal management
b. For light-extraction
c. For fabrication of optical parts
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


6)   Which phase of 31/2 digit LED Panel meter (7107/7106) to the process of conversion reveals the averaging of signal input for about 1000 clock pulses?

a. Auto-zero phase
b. Signal Integrate Phase
c. Reference Integrate Phase
d. All of the above
Answer  Explanation 

ANSWER: Signal Integrate Phase

Explanation:
No explanation is available for this question!


7)   Why is the count input of 7217A LED display provided with a Schmitt Trigger Circuit?

a. To prevent multiple triggering with slowly changing input
b. To permit its operation in noisy environment
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!


8)   What does CARRY/BORROW generated output indicates in 7217A LED display?

a. Count is zero
b. Count is equal to the value contained in the register
c. Consent to perform direct cascading of counters
d. All of the above
Answer  Explanation 

ANSWER: Consent to perform direct cascading of counters

Explanation:
No explanation is available for this question!


9)   Which among the following controls the frequency of onboard multiplex oscillator in 4-digit ICM 7217A LED display?

a. Resistor
b. Digit Driver
c. Capacitor
d. Segment Decoder
Answer  Explanation 

ANSWER: Capacitor

Explanation:
No explanation is available for this question!


10)   Which among the following should not be used on clocked elements to perform operational system logistic functions due to high noise susceptibility especially in synchronous design practices?

a. Synchronous Preset & Reset
b. Asynchronous Preset & Reset
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Asynchronous Preset & Reset

Explanation:
No explanation is available for this question!