Answer / Ankur Aggarwal

The stack pointer register (SP) in the 8086 family holds the current top of the stack. It's used to keep track of the memory location where the next data item or subroutine return address will be stored.

After the following has been executed MOV BL, 8C MOV AL, 7E ADD AL, BL; what will be the contents of register AL?

1 Answers   CDAC,

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What is 8255?

1 Answers  

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What was is the primary usage of a 8085 microprocessor?

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What is internal structure of 8086?

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Explain memory mapped i/o and i/o mapped i/o schemes?

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Difference between 80286 and 80287

2 Answers   Mascot,

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Define microprocessor?

1 Answers  

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What are registers in microcontroller ?

1 Answers  

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What are Pseudo instructions basically?

1 Answers   CDAC,

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Which 2 ports combine to form the 16 bit address for external memory access?

1 Answers  

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What are the software instructions related to stack operations?

1 Answers  

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Logic calculations are done in which type of registers?

1 Answers  

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