UGC NET Computer Science Operating System Previous Year Questions (PYQs) – Page 11 of 11
Study Stuff for MCA Examinations
| Process | arrival time | Burst time |
| P0 | 0 ms | 7 |
| P1 | 1 ms | 3 |
| P2 | 2ms | 7 |
Solution
Solution
Select the correct order of events after power is initialized on a system.
I. Bootstrap loader is loaded from the disk
II. Kernel is loaded onto the memory
III. Firmware ROM loads boot block
Choose the correct answer from the options given below:
Solution
After power is initialized, the system starts the booting process.
First, the firmware present in ROM starts execution.
So, first step is:
III. Firmware ROM loads boot block
Then the bootstrap loader is loaded from the disk.
So, second step is:
I. Bootstrap loader is loaded from the disk
After that, the bootstrap loader loads the kernel into memory.
So, third step is:
II. Kernel is loaded onto the memory
Correct order is:
III, I, II
In Windows scheduling, which of the following option is correct?
Solution
Windows uses 32 priority levels:
• 0–15 → Non-real-time (variable priorities)
• 16–31 → Real-time priorities
Thus number of non-real-time priorities = 16.
UGC NET Computer Science
Online Test Series, Information About Examination,
Syllabus, Notification
and More.
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UGC NET Computer Science
Online Test Series, Information About Examination,
Syllabus, Notification
and More.
View More
