Consider and comment on one of the following:

• Select and explain a scheduling algorithm that works better in a system with a single processor than with a system with multiple processors.
• Explain why Windows, Linux, and Solaris implement multiple locking mechanisms.
• Describe the circumstances under which OSes use spin-locks, mutex locks, semaphores, adaptive mutex locks, and condition variables.
• Describe a scenario in which a software-based solution to the critical-section problem is preferred. Describe a scenario in which a hardware-based solution to the critical-section problem is preferred. Explain your scenarios.