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total 50 questions
40 mcq and 10 short questions.
60% mcq was past paper with reference moaz file.
q1. how to save signed number in memory . 3 marks
q2. computer wants to read/write at same time, both processor and memory should be synchronized, how to synchronized both processor and memory so we read and write at same time? 5 marks
q3. we use VESA 2.0 some instructions are there you may define their functionality.? 3 marks
mov ax, 0x4cff
mov ax, 0x4117
q4. how much IVT service and define their functionality? 5 marks
q5. Define attribute of "INT 21" Service to memory de-allocate? 5 marks
q6. how to get free space to run another new program, define briefly? 5 marks (ans TSR).
q7. In operating system by using "strategy Routine" how to process when any device attached with operating system? 3 marks
q8. define briefly code descriptor and data descriptor.? 3 marks
program ki coding ka koi questions ni tha.
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