OSG_AIO_4

If a process has begun to burn a Blu-ray, suddenly taking the Blu-ray recorder away from it and giving it to another process will result in a garbled Blu-ray. What does the scenario above indicate?

• It's an Un-preemptable resource
• It's a Preemptable resource
• It's a Non-sharable recourse
• It's a Non-preemptable resource

If FIFO page replacement algorithm is used with four page frames, how many page faults will occur with the reference string 0172327103 if the four frames are initially empty?

• 4 Pages
• 5 Pages
• 6 Pages
• 7 Pages

Assume we have a 16-bit virtual address and a 4-KB page size. How many indexes are in a one-level page table?

• 16
• 4
• 8
• 64

Which tool is used for both Deadlock Detection & Recovery and Deadlock Avoidance?

• Resource Request Matrix
• Resource Allocation Matrix
• Resource Graph
• Pie chart

What are the weaknesses of RAID 0?

• Requires the highest number of disks in RAID modes
• There is no data recovery mechanism
• The unit of data transmitted is at the BIT level
• Does not improve read and write speeds

If LRU page replacement is used with three page frames, how many page faults will occur with the reference string 7, 0, 1, 2, 0, 3 (if the three frames are initially empty)?

• 5
• 4
• 6
• 3

In the context of modern computer components, the CPU (Central Processing Unit) is responsible for:

• Storing data for long-term use.
• Managing network connections.
• Executing program instructions and performing calculations.
• Displaying graphical user interfaces.

The basic concepts on which all operating systems are built are processes, memory management, I/O management, the file system, and security. What is the interface that is provided to access the services of the

• System calls
• API
• Library
• Assembly instruction

In interprocess communication, which synchronization method requires hardware support?

• TSL Instruction
• Peterson's Solution
• Sleep and Wakeup
• Semaphores

Which file access method is often used to optimize access to large files in a file system?

• Sequential access
• Direct access
• Indexed access
• Linked access