Mastering 8086 Assembly Instructions

What instruction is used to move data from one register to another in 8086?

• MOV

• SWAP

• TRANSFER

• COPY

Which instruction adds two operands in 8086 assembly?

• DIV

• SUB

• MUL

• ADD

What is the purpose of the MOV instruction in 8086?

• To compare two values and set flags accordingly.

• To jump to a different instruction in the code.

• The purpose of the MOV instruction in 8086 is to transfer data between registers and memory.

• To perform arithmetic operations on data.

How do you perform subtraction in 8086 assembly?

• Use the MOV instruction to copy values instead of subtracting.

• Perform subtraction using the DIV instruction.

• Use the ADD instruction with the syntax ADD destination, source.

• Use the SUB instruction with the syntax SUB destination, source.

What instruction would you use to perform a bitwise AND operation?

• |

• ^

• &

• ~

Which instruction is used to compare two values in 8086?

• ADD

• MUL

• CMP

• SUB

What is the function of the INC instruction in 8086?

• The INC instruction multiplies a value by 2.

• The INC instruction divides a value by 2.

• The INC instruction increments a value by 1.

• The INC instruction decrements a value by 1.

How do you implement a loop in 8086 assembly?

• Utilize the ADD instruction to repeat a block of code.

• Implement a loop by using the MOV instruction with a counter.

• Use the JMP instruction to create an infinite loop.

• Use the LOOP instruction with a counter in the CX register.

What instruction is used to jump to a specific label unconditionally?

• JMP

• NOP

• CALL

• RET

What is the purpose of the DEC instruction in 8086?

• To reset a value to zero.

• To multiply a value by 2.

• To decrement a value by 1.

• To increment a value by 1.