CS401 Final Term Subjective by VU Topper RM

1)

What is EAX.

2)

Formet of DOS.

3)

What is Truncate.

4)

Physical address.

5)

SPARC processor.

6) · Structure of GDT · 7)

Dos Video Service.

8)

BIOS video services.

9)

Serial communication.

10)

SACS instruction works?

11)

Parallel communication.

12)

IDT interrupt descriptor table.

13)

Multitasking complete concept.

14)

Describe PUSHF and POPF in detail.

15)

Terminate and Stay Resident (TSR).

16)

Data movement instruction processor.

17)

Which interrupt and control back to dos.

18)

Interrupt hooking, Unhooking Interrupt.

19)

Write name of interrupt and service

number.

20)

Programmable Interrupt Controller

(PIC) and IRQ.

21)

Name of the Pin in Port 37A used to

enable triggering of ACK pin?

22)

Write code on top of screen show.

23)

Write the code in array?

24)

Which interrupt is called scheduler.

Which main purpose of that.

25)

Interrupts, INT LINT 3, INT 10, INT 13,

INT 14, INT 21/service 04.

In truncated file service which register read

service and file attributes.

26) · Serial port invigilation service number · and also write attributes of it with service

number those initialize them.