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Question

In 8085 microprocessor, the value of the most significant bit of the result following the execution of any arithmetic or boolean instruction is stored in the _________________.

A
Carry status flag
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B
Auxiliary carry status flag
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C
Sign status flag
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D
Zero status flag
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Solution

The correct option is C Sign status flag

In 8085 microprocessor, the value of the most significant bit of the result following the execution of any arithmetic or Boolean instruction is stored in the sign status flag.

A microprocessor is a multipurpose, programmable, clock-driven, register-based electronic device that reads binary instructions from a storage device called memory accepts binary data as input and processes data according to those instructions and provides results as output.

The flag register is a special purpose register. Depending upon the value of result after any arithmetic and logical operation the flag bits become set (1) or reset (0). In 8085 microprocessor, flag register consists of 8 bits and only 5 of them are useful.


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