CS401 Current Spring 2011 Final Term VU Paper [July 2011] Virtual University of Pakistan
Friday, July 15, 2011 Posted In .Final Term Exam Spring 2011 (July) Edit This
CS401 Current Spring 2011 Final Term VU Paper [July 2011] Virtual University of Pakistan
Define the multitasking (2)
Define the protected mode (3)
What is disk driver and why disk driver are necessary in BIOS (5)
Writ the code of break point interrupt routine (5)
Define the trap flag (3)
From what purpose INT 1 is reserved (2)
Mcq are mostly in past papers
Another Paper:
1) Write type of user Descriptors are there, write their names only? (2 Marks)
2) Write two examples of Instructions relating data movement used in “sun SPARK Processor”. (2 Marks)
3) When we multiply two 8 bit numbers, in how many bits there answer will be? (2 Marks)
4) What is trap flag? (2 Marks)
5) Define serial port? (2 Marks)
6) How to reset disk file system using INT 13 Disk Rest services? (3 Marks)
7) Why IF & TF are cleared? (3 Marks)
8) Describe “Indexed Register Indirect + offset” addressing mode with example? (3 Marks)
9) Write the algorithm of bubble sort in your words? (5 Marks)
10) List only five BIOS video services used in text mode? (5 Marks)
11) Write main characteristic of SUN SPARK Processor? (5 Marks)
12) Write the code of “break point Interrupt routine”. (5 Marks)
Define the multitasking (2)
Define the protected mode (3)
What is disk driver and why disk driver are necessary in BIOS (5)
Writ the code of break point interrupt routine (5)
Define the trap flag (3)
From what purpose INT 1 is reserved (2)
Mcq are mostly in past papers
Another Paper:
1) Write type of user Descriptors are there, write their names only? (2 Marks)
2) Write two examples of Instructions relating data movement used in “sun SPARK Processor”. (2 Marks)
3) When we multiply two 8 bit numbers, in how many bits there answer will be? (2 Marks)
4) What is trap flag? (2 Marks)
5) Define serial port? (2 Marks)
6) How to reset disk file system using INT 13 Disk Rest services? (3 Marks)
7) Why IF & TF are cleared? (3 Marks)
8) Describe “Indexed Register Indirect + offset” addressing mode with example? (3 Marks)
9) Write the algorithm of bubble sort in your words? (5 Marks)
10) List only five BIOS video services used in text mode? (5 Marks)
11) Write main characteristic of SUN SPARK Processor? (5 Marks)
12) Write the code of “break point Interrupt routine”. (5 Marks)
