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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 40.
 27.
 21.
 19.

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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
 SIM
 RIM
 DI

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 ROM
 microprocessor
 EPROM

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Microprocessor
The operating modes of 8255 A are called

Mode 0, mode 2 and mode 3
Mode 0, mode 1 and mode 2
Mode 0 and mode 2
Mode 0 and mode 1

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Microprocessor
The word size of 8085 microprocessor is

 20-bit
 16-bit
 4-bit
 8-bit

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Microprocessor
The control flags in 8086 are:

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

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