41. In 8085 Program Status Word consists of

1. 1. accumulator contents

   
   
   

   2. flags

   
   
   

   3. both accumulator and flag

   
   
   

   4. status bits

   
   
   

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   NA

   Correct Option: C

   NA

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42. Intel 8080A and 8085A differ in

1. 1. number of address lines

   
   
   

   2. number of data signal

   
   
   

   3. instruction set

   
   
   

   4. number of interrupt

   
   
   

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   NA

   Correct Option: D

   NA

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43. The synchronization between microprocessor and memory is done by

1. 1. ALE signal

   
   
   

   2. HOLD signal

   
   
   

   3. READY signal

   
   
   

   4. none of these

   
   
   

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   NA

   Correct Option: C

   NA

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44. Program Counter is used to

1. 1. store address of the next instruction to be executed

   
   
   

   2. store temporary data to be used in arithmetic operations

   
   
   

   3. store the status of the microprocessor

   
   
   

   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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45. Which of the following signal is used when a microprocessor wants to address the memory?

1. 1. IO/ M

   
   
   

   2. Status signals

   
   
   

   3. ALE

   
   
   

   4. HOLD and HLDA

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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