Computer Architecture Quiz

Which addressing mode specifies that the operand is a part of the instruction itself?

• Register-Direct Addressing

• Direct Addressing

• Register-Indirect Addressing

• Immediate Addressing

In which addressing mode is the operand stored in the registers specified in the instruction?

• Immediate Addressing

• Register-Indirect Addressing

• Direct Addressing

• Register-Direct Addressing

What is the action of the instruction ADD AX, [BX]?

• AX = AX + Contentsof(BX)

• AX = AX + ((BX))

• AX = AX + (BX)

• AX = AX + BX

Which addressing mode specifies the operand's memory address in the instruction?

• Immediate Addressing

• Register-Direct Addressing

• Direct Addressing

• Indirect Addressing

In the instruction ADDR2, R1, [[3000]], what is the action performed?

• R2 = R1 + Contentsof(3000)

• R2 = R1 + ((3000))

• R2 = R1 + (3000)

• R2 = R1 + Contentsof(Contentsof(3000))

Which addressing mode requires at least two memory references to fetch a single operand?

• Indirect Addressing

• Register-Direct Addressing

• Register-Indirect Addressing

• Immediate Addressing

What is the fastest operand access addressing mode?

• Indirect Addressing

• Direct Addressing

• Register-Direct Addressing

• Immediate Addressing

Which addressing mode is used when we need to access a memory operand?

• Immediate Addressing

• Register-Indirect Addressing

• Direct Addressing

• Indirect Addressing

In which addressing mode is the operand's address contained in the instruction?

• Immediate Addressing

• Register-Direct Addressing

• Indirect Addressing

• Direct Addressing

What is the purpose of the instruction SUB AX, [BX]?

• AX = AX - Contentsof(BX)

• AX = AX - ((BX))

• AX = AX - (BX)

• AX = AX - BX