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Microprocessor

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

 INTR
 RST 7.5
 RST 5.5
 TRAP

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 247
 246
 245

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Microprocessor
The control flags in 8086 are:

 the Trap flag(TF).
 the direction flag(DF).
 the interrupt flag(IF).
All of these

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Microprocessor
DMA is used between

 microprocessor and memory
 memory and I/O
 none
 microprocessor and I/O

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Microprocessor
Which one of the following statement is false?

 A microprocessor has an ALU
 A microprocessor has bi-directional data bus
 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional address bus

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

BYTE
NIBBLE
DOUBLEWORD (32 bits)
WORD (16 bits)

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