141. The Data Bus is multiplexed with the lower bytes of—

1. 1. Address Bus

   
   
   

   2. Control Bus

   
   
   

   3. Both (A) and (B)

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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142. If Register B contains 28 H, and Accumulator 97 H. What will be the content of Register C after the following program has been executed?

     MOV	A, B
     MOV	C, A
     MOV	B, C
     MOV	C, B

1. 1. 28 H

   
   
   

   2. AA H

   
   
   

   3. 97 H

   
   
   

   4. OO H

   
   
   

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1. View Hint View Answer Discuss in Forum

   28 H

   Correct Option: A

   28 H

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143. What is the opcode in the given instruction MVI H, L?

1. 1. MVI

   
   
   

   2. H

   
   
   

   3. L

   
   
   

   4. H, L

   
   
   

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1. View Hint View Answer Discuss in Forum

   MVI,
   ∴ It specifies what the task has to be performed.

   Correct Option: A

   MVI,
   ∴ It specifies what the task has to be performed.

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144. In a flag register of 8085, where does the sign flag and parity flag set?
     

1. 1. D₇ and D₆

   
   
   

   2. D₆ and D₄

   
   
   

   3. D₇ and D₂

   
   
   

   4. D₇ and D₄

   
   
   

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1. View Hint View Answer Discuss in Forum

   D₇ and D₂

   Correct Option: C

   D₇ and D₂

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145. What is the size of the stack pointer in an 8085 MPU?

1. 1. 8 bit

   
   
   

   2. 16 bit

   
   
   

   3. 32 bit

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   16 bit is the size of the stack pointer in 8085
   ∴ It has to store 4 bit hexadecimal address.
   

   Correct Option: B

   16 bit is the size of the stack pointer in 8085
   ∴ It has to store 4 bit hexadecimal address.
   

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