CS401P Quiz 8 Set 2

CS401P - Quiz No.8

Date: 06 January 2026

Q1. When ret function is called SP is ______ by _____

1. Incremented, 2
2. Decremented, 2
3. Deceremented 1
4. Incremented, 1

Correct answer: Incremented, 2

Q2. INT instruction takes a _________ byte(s) argument varying from 0-255.

1. 2
2. 3
3. 4
4. 1

Correct answer: 1

Q3. Each entry of the interrupt vector table is of __________ bytes.

1. 4
2. 2
3. 3
4. 1

Correct answer: 4

Q4. mov ax,2 push ax pop bx add bx,ax at the end of execution of above code, what will be value in ax?

1. 1
2. 0
3. 4
4. 2

Correct answer: 2

Q5. The_______ bit tells that this is a system descriptor while the 1110 following it tells that it is a 386 interrupt gate.

1. O
2. T
3. S
4. P

Correct answer: S

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