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Microprocessor

Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 003CH
 0034H
 002CH
 0000H

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Microprocessor
The operations executed by two or more control units are referred as

 Micro-operations
 Macro-operations
 Bi control-operations
 Multi-operations

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

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

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

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

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Microprocessor
While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by

 8 Mhz.
 1Khz.
 2 Mhz.
 2 Khz.

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 hardware interrupts
 logical interrupts
 software interrupts

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