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Microprocessor : Nuclear Quiz 2

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Question 1

If the CALL instruction of 8085 in the main program is conditional then RETURN instruction in the subroutine can be

Question 2

Which of the following is not a valid arithmetic instruction in 8085?

Question 3

If the accumulator of an 8085 microprocessor is having 37H and form previous executions carry is already set to 1 . The accumulator contains what data after execution of ACI 56H.

Question 4

Which one of the following control bits of 8086 flag register is used to put the 8086 in single step mode?

Question 5

Which are of the following control bits of 8086 flag register is used to put the 8086 in single step mode?

Question 6

Find the memory address of the next instruction executed by the microprocessor (8086), when operated in real mode for CS = 1000 and IP = E000

Question 7

Consider the following 8085 Microprocessor assembly language program.
1- LXI SP, 0200 H
2- LXI B, 1028 H
3- LXI H, 42FF H
4- PUSH H
5- LXI D, 20FE H
6- DAD B
7- X CHG
8- DAD D
9- HLT
After execution of above program content of HL register pair is ________ H.

Question 8

CONSIDER the microprocessor 8085, choose which one of the following is incorrect information about these microprocessor

Question 9

Consider the following 8085 interrupts:
1). TRAP 2). INTR
3). RST 6 4). RST 7.5
5). RST 0
The software interrupts are

Question 10

The addressing mode for the instruction “RET” is
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Jan 30ESE & GATE EC