Electronics and Communication Engineering - Digital Electronics

16. 

In a positive edge triggered JK flip flop

A. High J and High K produce inactive state
B. Low J and High K produce inactive state
C. Low J and Low K produce inactive state
D. High J and Low K produce inactive state

Answer: Option C

Explanation:

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17. 

In case of static storage elements

A. information is permanently stored
B. information is to be periodically refreshed
C. information is to be intermittently refreshed
D. information is lost in case power is removed

Answer: Option D

Explanation:

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18. 

For a microprocessor system using IO-mapped IO the following statement is NOT true

A. memory space available is greater
B. not all data transfer instructions are available
C. IO and memory address spaces are distinct
D. IO address space is greater

Answer: Option D

Explanation:

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19. 

Which of the following is susceptible to race condition?

A. R-S latch
B. D latch
C. Both R - S and D latches
D. None of the above

Answer: Option A

Explanation:

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20. 

The density of the dynamic RAM is

A. more than that of static RAM
B. less than that of static RAM
C. equal to that to static RAM
D. equal to or more than that of static RAM

Answer: Option A

Explanation:

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