IT121.1 MIDTERM EXAM

What happens if an overflow in register occurs?

• no effect

• interrupt happens

• i don't know

If you are using add instruction, how many operands do you need?

• 1

• 2

• 3

• 4

• none of the choices

An instruction that handles multiplication of signed data.

• imul

• mul

• div

• add

Add and sub instruction in register can happen between the following except:

• Register to register

• Register to register

• Register to memory

• no answer

SUB source, destination

Is this a proper syntax for subtraction instruction?

• True

• False

• no answer

This instruction will increment an operand by 1.

• ++

• --

• inc

• dec

Is there a rule that states: "operands must be in the same size when using the MOV instruction" ?

• True

• False

• no answer

This is used to initialize one or more bytes in assembly programming.

• variables

• constants

• instructions

• registers

It is the identifier of each storage space.

• variable name

• instruction

• constant

• operand

It is the program that translates assembly language code into the machine language.

• program

• complier

• assembler

• programming language