Q. Which of the following instructions in 8085 does not belong to data transfer group?

View solution

Q. Consider the following statements about 8085

The instruction LDA uses direct addressing mode.
The instruction MVI uses direct addressing mode.
The instruction MVI uses immediate addressing mode.
The instruction LDA uses immediate addressing mode.
Which of the above are correct?

View solution

Q. The 8085A is a(n):

View solution

Q. In 8085 microprocessor the value of the most significant bit of the result following the execution of any arithmetic or Boolean instruction is stored in

View solution

Q. The flag register content after execution of following program by 8085
microprocessor shall be
Program
SUB A
MVI B, (01)H
DCR B
HLT

View solution

Q. Which flag of the 8085's flag register is not accessible to programmer directly?

View solution

Q. Which of the following interrupt is maskable?

View solution

Q. Word 20 contains 40
Word 30 contains 50
Word 40 contains 60
Word 50 contains 70
Which of the following instructions does not, load 60 into the Accumulator ?

View solution

Q. An interrupt for which hardware automatically transfers the program to a specific memory location is known as

View solution

Q. 8085 microprocessor carryout the subtraction by

View solution

Q. If the stack pointer is initialised with (4FEB)H, then after execution of Push operation in 8085 microprocessor, the Stack Pointer shall be

View solution