CS401P Quiz 4 Set 2

VU TOOLKIT · CS401P - Quiz No.4 · Date: 05 May 2026

Q1. What will be the final value in the ax register after execution of the following code? mov ax,10 inc ax mov ax,1 add ax,20

1. 32
2. 31
3. 20
4. 21

Correct answer: 21

Q2. Intel 8088 stack works on __________ sized elements.

1. byte
2. bit
3. nibble
4. word

Correct answer: word

Q3. ___________ is used to hold address of the next instruction to be executed.

1. Program counter
2. Instruction register
3. Memory data register
4. Memory address registe

Correct answer: Program counter

Q4. In near jump the jump can be anywhere within a _____________.

1. block
2. code file
3. segment
4. program

Correct answer: segment

Q5. ___________ is the correct syntax for NOT operation?

1. not ax, bx
2. not byte [var], ax
3. not word [var], ax
4. not bx

Correct answer: not bx