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Microprocessor

Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0060H.
 0024H.
 0048H.
 0030H.

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Microprocessor
Pick up the programmable interrupt controller from the following

 8279
 8259
 8275
 8257

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Microprocessor
SUB A instruction in 8085

 sets zero and sign flags
 reset zero and parity flags
 reset carry and sign flags
 sets zero and carry flags

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Microprocessor
While STC instruction executes,

 only carry flag will be affected.
 only carry and zero flags will be affected.
 all flags will be affected.
 no flags will be affected.

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Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is negated, S is negated
R is negated, S is asserted
R is asserted, S is negated
R is asserted, S is asserted

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Instruction fetch.
 Arithmatic and Logic operations.
 All the above.
 Instruction decoding.

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