Consider the following loop The loop will be executed

1.  1 time

2.  8 time

3.  7 times

4.  Infinite times

View Answer  
4
Correct Answer :

1 time


Explanation :
No Explanation available for this question

The logic function implemented by the circuit below is (ground implies a logic “0”)

1.   F=AND (P, Q)

2.  F=OR(P, Q)

3.   F=XNOR(P, Q)

4.  F=XOR(P, Q)

View Answer  
4
Correct Answer :

F=XOR(P, Q)


Explanation :
No Explanation available for this question

The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1 is

1.   4

2.  6

3.  8

4.  10

View Answer  
4
Correct Answer :

6


Explanation :
No Explanation available for this question

Consider the following set of instructions  If BYTE1 =07H, then content of A, after the execution of program will be

1.  46H

2.  70H

3.  38H

4.  68H

View Answer  
4
Correct Answer :

46H


Explanation :
No Explanation available for this question

If the HLT instructor of a 8085 micro-processor is executed

1.  The microprocessor is disconnected from the system bus

2.  The microprocessor enters into a halt state

3.  The microprocessor reloads the program

4.  The microprocessor halts and return to monitor

View Answer  
4
Correct Answer :

The microprocessor enters into a halt state


Explanation :
No Explanation available for this question

Consider the following program If BYTE1 =07H, then content of A after the execution is

1.  0.8H

2.  8cH

3.  12H

4.  None of these

View Answer  
4
Correct Answer :

8cH


Explanation :
No Explanation available for this question

In the TTL circuit in the figure, S2 and S0 are select lines and X7 and X0 are input lines S0 and X0 are LSB’s. The output Y is

1.   Indeterminate

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The Boolean function realized by the logic circuit shown is

1.   F=Σm(0, 1, 3, 5, 9, 10, 14)

2.   F=Σm(2, 3, 5, 7, 8, 12, 13)

3.   F=Σm(1, 2, 4, 5, 11, 14, 15)

4.  F=Σm(2, 3, 5, 7, 8, 9, 12)

View Answer  
4
Correct Answer :

F=Σm(2, 3, 5, 7, 8, 9, 12)


Explanation :
No Explanation available for this question

The contents of some memory location of an 8085 μP based system are shown: The contents if HL pair after execution of the program will be

1.  0030H

2.  3000H

3.  3002H

4.  0230H

View Answer  
4
Correct Answer :

3002H


Explanation :
No Explanation available for this question

A 4 bit module-16 ripple counter uses JK flip-floops. If the propagation delay of each FF is 50ns, the maximum clock frequency that can be used is equal to

1.   20 MHz

2.  10 MHz

3.  5 MHz

4.  4 MHz

View Answer  
4
Correct Answer :

5 MHz


Explanation :
No Explanation available for this question
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