Recent questions tagged 8085-microprocessor

The contents of Register $(BL)$ and Register $(AL)$ of $8085$ microprocessor are $49H$ and $3AH$ respectively. The contents of $AL$, the status of carry flag $(CF)$ and s...

What are the status of the ZERO flag and the contents of the accumulator after the execution of the following 8085 assembly code? Assume that contents of all other regist...

Which of the following flags is not affected by a conditional branch statement in an 8085 microprocessor? a. Auxiliary Carry flag b. Sign flag c. Carry flag d. Zero flag

In 8085 microprocessor, what is the output of following program?LDA 8000H MVI B, 30H ADD B STA 8001 HRead a number from input port and store it in memoryRead a number fro...

In the architecture of $8085$ microprocessor match the following :$\begin{array}{clcl} \text{(a)} & \text{Processing unit} & \text{(i)} & \text{Interrupt} \\ \text{(b)}...

In $8085$ microprocessor which of the following flag(s) is (are) affected by an arithmetic operation?AC flag onlyCY flag OnlyZ flag OnlyAC, CY, Z flags

Consider the following assembly program fragment:stc mov al, 11010110b mov cl,2 rcl al,3 rol al, 4 shr al, cl mul clThe contents of the destination register $ax$ (in hexa...

Consider the following program fragment in assembly language:mov ax, 0h mov cx, 0A h do loop: dec ax loop doloopWhat is the value of $ax$ and $cx$ registers after the com...

The complement Accumulator (CMA) instruction in $8085$ processor on execution affectsZero flagSign flagOverflow flagnone of the above

The register in $8085$ that is used to keep track of the memory address of the next opcode to be run in the program is the:Stack PointerProgram CounterAccumulatorNon of t...

If the total number of states in the fetching and execution phases of an $8085$ instruction is known to be $7,$ number of states in these machine cycles is divided as ___...

Which of the following in 8085 microprocessor performs $HL = HL + HL$ ?DAD DDAD HDAD BDAD SP

$8085$ microprocessor has ____ bit ALU.$32$$16$$8$$4$

Macro-processors are ______.HardwareCompilerRegistersNone of the above

How many times will the following loop be executed ? LXI B, 0007 HLOP : DCX B MOV A, B ORA C JNZ LOP $05$ $07$ $09$$00$

Match the following $8085$ instructions with the flags $:$$\begin{array}{} {} & {\textbf{List – I}} & {} & {\textbf{List – II}} \\ \text{a.} & \text{XCHG} & \text{i.}...

Which of the following in 8085 microprocessor performs HL=HL+DE ?DAD DDAD HDAD BDAD SP

The TRAP is one of the interrupts available in $\textsf{INTEL 8085}.$ Which one of the following statements is true of TRAP ?it is level triggeredit is negative edge trig...