Blog: CS401 Finalterm paper 2013 File 4

    Total Marks: 80

    Total MCQs: 40 (Each of 1 Mark)
    Total Short Questions: 4 (Each of 2 Mark)
    Total Short Questions: 4 (Each of 3 Mark)
    Total Long Questions: 4 (Each of 5 Mark)

    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?

    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
    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 ?


    An other paper
    Give an example instruction to show based register indirect addressing mode. 2mrks
    How many broad categories of video services are classified? And also write the name of these video services.
    What is the purpose of bios parameter block?
    What is the purpose of Abort?
    How to reset disk file system using INT 13 disk rest service? 3mrks
    Which two instructions are used to check whether particular bits are set or not? How these two instructions differ from each other?
    What is multithreading?
    In assembly language programming which attributes of INT 10 service are being used for getting information about super VGA.
    In INT 10 of video services while writing graphics pixel, what do the values of registers BH, AL, CX, and DX corresponds to? 5mrks
    What is divide overflow error? Complete the following code such that it will cause divide overflow error. mov BL,________ mov AX,__________ DIV BL
    What are the content at the starting position of the file designated as device driver?
    · What is the format of interrupt gate descriptor?