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Microprocessor

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

 INTR
 TRAP
 RST 5.5
 RST 7.5

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Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is negated, S is asserted
R is asserted, S is negated
R is negated, S is negated
R is asserted, S is asserted

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 128.
 32.
 16.
 64.

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 both A and B.
 program counter.
 none of these.
 stack pointer.

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 01000000
 010001000
 00000100
 11000100

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable CRT controller
Programmable interrupt controller
Programmable interval timer
I/O port

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