NASM 1

____ converts the programs written in assembly language into machine instructions.

• Machine compiler
• Interpreter
• Assembler
• Converter

The instructions like MOV or ADD are called as ______

• OP-Code
• operators
• commands
• none

The alternate way of writing the instruction, ADD #5,R1 is ______

• ADD [5],[R1];
• ADDI 5,R1;
• ADD[5][],R1
• none

Instructions which wont appear in the object program are called as _____

• Redundant instructions
• Exceptions
• Comments
• Assembler Directives

The directive used to perform initialization before the execution of the code is ______

• Reserve
• store
• dataword
• EQU

_____ directive is used to specify and assign the memory required for the block of code.

• Allocate
• Assign
• Set
• Reserve

The last statement of the source program should be _______

• stop
• return
• end
• op

The assembler stores the object code in ______

• Main memory
• Cache
• RAM
• Magnetic disk

ADC instruction is used for?

• addition of two 16 bit numbers
• analog to digital conversion
• automatic digital control
• none of the mentioned

What is right about the ROR instruction?

•  it rotates the contents of the register left to right
• it rotates the contents of the register from right to left
• it rotates the contents of the register from left to right through carry
• it rotates the contents of the register from right to left through carry