How many devices can be connected simultaneously to the microprocessor via the 8257 DMA controller?

What does the NOP (No Operation) instruction introduce?

Which branching instruction opcode leads to the following condition: "There is a Jump on Carry"?

Which of the following flags does not belong to the 8085 microprocessor?

Which component of a CPU tells the computer what steps to perform for each instruction?

Which of the following Segment Registers of a BIU (Bus Interface Unit) is used to hold the extra destination data for string operations?

In an 8085 microprocessor, the shift registers which store the result of an addition and the

overflow bit are, respectively

What is the purpose of the following code block?

MOV AH,01H

INT 21H

MOV INPUT,AL

After the execution of the following assembly code, what is the value stored in the register A?

     MOV A,#00H

     MOV B,#05H 

L1:  INC A 

     DEC B

     CJNE B,#04H, L1 

     END

Which of the following options represents the default interrupt priority sequence in 8051?