::: vuaskari.com ::: CS 401 - Current Paper - 18 - 07 - 2012 Time 2.30

Asalam o Alikum !

My paper : CS401

Date : 18-07-2012

Time: 2:30pm

Total Question : 52 

40 Mcqs and

subjective

4x5 marks,

4x3 marks,

4x2 marks.

5 Marks Questions

1 - Define Coordination between data bus, control bus and address bus?

2 - Values required for the following registers to write a character on serial port using INT 21?

      - AH =

      - AL =

      - DX =

3 - Data movement and arithmetic operation in Motorola 68k processor?

4 - Set the time interrupt frequency at 1ms ?

3 Marks Questions

1 - Information through descriptor's first 16 Bits used to represent what ?

2 - can we increase the speed of multitasking. if yes then how?

3 - Purpose of Global Descriptor Table (GDT) ?

4 - How many bytes will be moved?

   - Mov cx, 384

     REP movsb

   - Mov cs, 384

     REP movsw

2 Marks Questions

1 - what is the function naming convention in language C ?

2 - write instruction to allocate space for 32Bit PCB?

3 - what are the roles of segment-selector and segment-descriptor?

4 - Segment and Offset address in case of FAR Jump?

Please pray for me that ALLAH give me success, 

Note: please carefully read handouts, the work from Moaaz is very good, but my today's paper was almost different to what people were saying, 45% mcqs from Moaaz solutions,

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