$($a$)$ The following table reflects the memory contents of a part of memory in a one$-$address machine with an accumulator:

Address Contents

$0020$

$2030$

$3040$

$4050$

$5060$

$6070$

What values do the following instructions load into the accumulator?

LOAD IMMEDIATE $20$

LOAD DIRECT $20$

LOAD INDIRECT $20$

$($b$)$ Give examples of Intel x$86$ instructions in which the following addressing modes are used:

Immediate addressing Direct addressing Stack addressing Indexed addressing Base$-$addressing

Register indirect addressingQuestion $1$

$($a$)$ The following table reflects the memory contents of a part of memory in a one$-$address

machine with an accumulator:

What values do the following instructions load into the accumulator?

LOAD IMMEDIATE $20$

LOAD DIRECT $20$

LOAD INDIRECT $20$

$($b$)$ Give examples of Intel x$86$ instructions in which the following addressing modes are

used:

Immediate addressing Direct addressing Stack addressing Indexed addressing Base$-$

addressing

Register indirect addressing