CS401 Current FinalTerm Paper 24 February 2018 | FALL 2017 |
Today’s cs401 paper
Q:Following instructions are taken from the program ‘printing string and keyboard wait using BIOS services ‘describe which task will be performed by each of these institutions?
Mov bl ,01
Q:in assembly language programming ,which service is used for setting VESA video mode?also mention the status of concern registers b4 and after the service execution.
Q:what are the important ‘command codes’ in request header of device driver?
Q:writer the corresponding assembly language for the given code
Q:how many bytes are used to make the structure of process control block in assembly language programming?what do these bytes store?
Q:what will happen when we execute the following instructions?
MOV AH, 9
Q:write the assembly language instructions that are used to save and restore the of flag register from the stack.
Q:differentiate b/w naming conventions used in both pascal and c language for naming a function/ variable.
cs401 today's paper:
MCQs were mostly from previous papers(refer to moazz and waqar) , few short questions that i remember are:-
1. which service takes over once we turn on PC what does it do ?
2. command codes of device driver ?
3. structure of GDT ?
4. interrupt types and working with debugger ?
5. protected programming ?
with one odd question writing assembly language program
best of luck