Assembly Basics

Which of the following is an example of an assembly directive?

• MOV AX, BX

• ADD AX, 1

• ORG 100h

• JMP 200h

In assembly language, what does the directive `DB` stand for?

• Define Byte

• Data Block

• Define Block

• Data Byte

Which of the following is a correct syntax for a label in assembly language?

• 100h: MOV AX, BX

• START: MOV AX, BX

• MOV AX, BX: START

• MOV AX, BX 100h:

What does the `EQU` directive do in assembly language?

• Equates a label to a value

• Ends the program

• Starts a new segment

• Defines a constant

Which of the following is a valid comment in assembly language?

• // This is a comment

• /* This is a comment */

• ; This is a comment

• # This is a comment

In assembly language, what does the `ORG` directive specify?

• The origin of the data segment

• The origin of the code segment

• The starting address for the program

• The end of the program

Which of the following is a correct example of an assembly instruction?

• MOV AX, 5

• ADD 5, AX

• JMP AX, 5

• ORG AX, 5

What does the `END` directive do in an assembly program?

• Ends the current segment

• Ends the program

• Ends the current procedure

• Ends the current loop

Which of the following is NOT a valid assembly directive?

• DB

• MOV

• ORG

• EQU

In assembly language, what does the `DW` directive stand for?

• Define Word

• Data Word

• Define Write

• Data Write