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GATE EC : Digital Circuits Champion Quiz 5

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Question 1

If the following program is executed in a microprocessor, the number of instruction cycles it will take from START TO HALT is

Question 2

Which one of the following 8085 microprocessor programs correctly calculates the product of two 8-bit numbers stored in register B and C?

Question 3

In an 8085 microprocessor, which one of the following instructions changes the content of the accumulator?

Question 4

In order to retrieve the relearn address from the stack memory, what instruction is used by every interrupt?

Question 5

In a microprocessor, the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set, but the interrupt can be delayed or rejected. Such an interrupt is

Question 6

In microcomputer, WAIT states are used to

Question 7

Principle of "locality" is used in context of

Question 8

When a program is being executed in an 8085 microprocessor, its Program Counter contains

Question 9

Following is the segment of a 8085 assembly language program:

On completion of RET execution, the contents of SP is:

Question 10

Assuming all numbers are in 2’s complement representation, which of the following numbers is divisible by 11111011?
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Apr 16ESE & GATE EC