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Microprocessor

Microprocessor
The number of status flags present in 8085 microprocessor are

 16
 10
 5
 8

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Microprocessor
Which one of the following interrupt/interrupts is/are only level triggering?

 both ‘a’ and ‘b’
 RST 6.5
 TRAP
 RST 5.5

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 1, 3, 5
 1, 2, 5
 1, 3, 4
 2, 3, 5

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Microprocessor
Which of the data transfer is not possible in microprocessor

 I/O device to accumulator
 accumulator to memory
 memory to memory
 memory to accumulator

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Microprocessor
The characteristics of RESET OUT signal is/are

 indicates that µp is being reset.
 all.
 the signal is synchronized to the processor clock.
 this signal can be used to reset other devices.

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Microprocessor
PSW stands for

 none
 accumulator and flag register contents
 accumulator contents
 flag byte

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