UGC NET CS 2004 Dec-Paper-2
November 7, 2023
UGC NET CS 2004 Dec-Paper-2
November 7, 2023
UGC NET CS 2004 Dec-Paper-2
November 7, 2023
UGC NET CS 2004 Dec-Paper-2
November 7, 2023

UGC NET CS 2004 Dec-Paper-2

Question 9
Essential hazards may occur in :
A
Combinational logic circuits
B
Synchronous sequential logic circuits
C
Asynchronous sequential logic circuits working in the fundamental mode
D
Asynchronous sequential logic circuits working in the pulse mode
Question 9 Explanation: 
→ Essential hazards may occur in asynchronous sequential logic circuits working in the fundamental mode.
→ Asynchronous circuits is called essential hazard ​ is caused by unequal delays along two or more paths that originate from the same same input.
→ It​ cannot be corrected by adding redundant gates and it can only be corrected by adjusting the amount of delay in the affected path.
Correct Answer: C
Question 9 Explanation: 
→ Essential hazards may occur in asynchronous sequential logic circuits working in the fundamental mode.
→ Asynchronous circuits is called essential hazard ​ is caused by unequal delays along two or more paths that originate from the same same input.
→ It​ cannot be corrected by adding redundant gates and it can only be corrected by adjusting the amount of delay in the affected path.

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