BIT204 Operating System

Operating System: most repeated questions

Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.

3×Asked in 2080, 2079, 2078
What is process? Explain 3 state process models with suitable diagram.Answer coming5
See the wording in each paper
- What is process? Explain 3 state process models with suitable diagram.TU Board 2080
- What is an OS? Explain 3 state model of process with neat and clean diagram.TU Board 2079
- Draw and describe the 5 state process model.TU Board 2078
3×Asked in 2083, 2079, 2078
Why do we need time sharing in operating system? Explain.Answer coming5
See the wording in each paper
2×Asked in 2080, 2079
If a 2gb disk has 4 KB block size, calculate the size of the file allocation table if each entry of the table is 4 bytes.Answer coming5
See the wording in each paper
- If a 2gb disk has 4 KB block size, calculate the size of the file allocation table if each entry of the table is 4 bytes.TU Board 2080
- Consider 500 GB hard drive with 5 KB block size. Calculate the size of file allocation table if entry for each block needs 4 bytes.TU Board 2079
2×Asked in 2079, 2078
How threads differ from processes? Explain user level thread and kernel level thread.Answer coming5
See the wording in each paper
- How threads differ from processes? Explain user level thread and kernel level thread.TU Board 2079
- What is thread? Explain user level thread and kernel level thread.TU Board 2078
2×Asked in 2080, 2078
Suppose that a disk drive has the cylinder numbered, 0 to 199 is currently serving a request at cylinder 143. The request queue is kept in the FIFO order 25, 17, 119, 197, 194, 15, 182, 115, and 183. What is the total head movement needed to satisfy these…Answer coming5
See the wording in each paper
- Suppose that a disk drive has the cylinder numbered, 0 to 199 is currently serving a request at cylinder 143. The request queue is kept in the FIFO order 25, 17, 119, 197, 194, 15, 182, 115, and…TU Board 2080
- Suppose that a disk has 100 cylinders, numbered 0 to 99. The drive is currently serving a request at cylinder 45. The queue of pending request, in FIFO order is: 88, 72, 13, 74, 48, 9, 22, 50, 35…TU Board 2078
2×Asked in 2080, 2079
What is system call? Explain the system call process in detail.Answer coming5
See the wording in each paper
- What is system call? Explain the system call process in detail.TU Board 2080
- What is kernel? Explain the process of system call with suitable diagram.TU Board 2079
2×Asked in 2080, 2078
Why virtual memory technique is used in the computer system? What is logical address? Explain the process of conversion of logical address to physical address using TLB.Answer coming10
See the wording in each paper
- Why virtual memory technique is used in the computer system? What is logical address? Explain the process of conversion of logical address to physical address using TLB.TU Board 2080
- Why virtual memory technique is used in the computer system? What is logical address? Explain the process of conversion of logical address to physical address in single level paging scheme.TU Board 2078