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Microprocessor

Microprocessor
Which of the following interrupt is both level and edge sensitive?

 TRAP
 RST 7.5
 INTR
 RST 5.5

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 244
 247
 246

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 same as the content of A7-A0
 all bits reset (i.e. 00H)
 all bits set (i.e. FFH)
 irrelevant

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 None of these
 Execution Unit (EU)
 Bus Interface Unit (BIU)
 Both ‘c’ and ‘d’

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 8085
 6502
 Z-80
 68000

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 16
 8
 20
 12

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