136. If the result has an odd number of 1s, what will happen to the parity flag—

1. 1. Set

   
   
   

   2. Reset

   
   
   

   3. Data insufficient

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Reset The parity flag is set to 1 if the result has even no. of 1's and reset if odd no. of 1's.
   

   Correct Option: B

   Reset The parity flag is set to 1 if the result has even no. of 1's and reset if odd no. of 1's.
   

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137. In intel 8085 MPU, Data Bus is—

1. 1. Bidirectional

   
   
   

   2. Unidirectional

   
   
   

   3. 32 bit bus

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Bidirectional The data bus in 8085 is bidirectional and the address bus is unidirectional.
   

   Correct Option: A

   Bidirectional The data bus in 8085 is bidirectional and the address bus is unidirectional.
   

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138. The register that is used to sequence the execution of the instructions is called—

1. 1. Program counter

   
   
   

   2. Stack pointer

   
   
   

   3. Accumulator

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Program counter function is to point to the memory address from which the next byte has to be fetched.
   

   Correct Option: A

   Program counter function is to point to the memory address from which the next byte has to be fetched.
   

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139. Intel 8085 is an—

1. 1. 8 bit NMOS processor

   
   
   

   2. 8 bit CMOS processor

   
   
   

   3. 8 bit PMOS

   
   
   

   4. 8 bit HMOS processor

   
   
   

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1. View Hint View Answer Discuss in Forum

   Intel 8085 is an 8 bit NMOS processor

   Correct Option: A

   Intel 8085 is an 8 bit NMOS processor

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140. "Short forms used for humans to give instructions to μP so it can understand those instructions" are called—

1. 1. Mnemonics

   
   
   

   2. Operands

   
   
   

   3. Machine languages

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Mnemonics

   Correct Option: A

   Mnemonics

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