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Microprocessor

Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAL
 RRC
 RAR
 RLC

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 EI
 DI
 RIM
 SIM

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Microprocessor
How many segments are there in 8086?

 4.
 3.
 6.
 2.

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Microprocessor
Total number of modes the 8253 can work

 8
 6
 4
 12

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Microprocessor
An e-mail message can be sent to many recipients.

False
True

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 INTR interrupt is recognized
 DAD RP instruction is executed
 RST 7.5 is recognized
None of these

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