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A critical section is a piece of code that accesses a shared resource (either in the form of data structure or a device) that must not be concurrently accessed by more than one thread of execution (which will otherwise lock it from doing other things).
Note: Note that on Windows NT (not 9x/ME), the function TryEnterCriticalSection() can be used to attempt to enter the critical section.
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What is the heart of the operating system that controls the most critical process?
The kernel.
What is usually the critical performance requirement in an interactive operating system?
Response Time
What is the heart of operating system and control and control the moist critical processes?
kernal
What are four hardware components controlled by an Operating System?
Four of the most critical components controlled by an operating system are: CPU, RAM, Hard Drive and Motherboard.
What is Peterson's solution in operating system?
Peterson's solution:- (AKA Peterson's solution) is a concurrent programming algorithm for mutual exclusion that allows two processes to share a single-use resource without conflict, using only shared memory for communication. It was formulated by Gary L. Peterson in 1981.While Peterson's original formulation worked with only two processes, the algorithm can be generalized for more than two.Mutual exclusionP0 and P1 can never be in the critical section at the same time: If P0 is in its critical section, then either flag is false (meaning P1 has left its critical section) or turn is 0 (meaning P1 is just now trying to enter the critical section, but graciously waiting). In both cases, P1 cannot be in critical section when P0 is in critical section.
What is the disadvantage of critical section in operating system?
- Higher priority threads may be asked to wait for an indefinite amount of time - Implementation of critical section is not an easy task (from programming perspective), since it has to consider all the possible collateral risks
Why can't a process disable the interrupts to avoid context switch while in the critical section to avoid the race condition?
Because only the operating system has that authority.
What software is most critical for the hardware?
operating system
What is the importance of implementing a critical section in operating systems for ensuring proper synchronization and preventing race conditions?
Implementing a critical section in operating systems is important for ensuring proper synchronization and preventing race conditions. A critical section is a part of the code that can only be accessed by one process at a time, which helps avoid conflicts and ensure that data is accessed and modified correctly. This is crucial for maintaining the integrity of the system and preventing issues that can arise from multiple processes trying to access the same resources simultaneously.
What is the heart of the operating system that controls the most critical process?
The kernel.
What is usually the critical performance requirement in an interactive operating system?
Response Time
What is the heart of operating system and control and control the moist critical processes?
kernal
When are most operating system critical files loaded and run?
At boot up.
Windows 2000XP calls what files critical to a successful operating system load the?
system state data
What are four hardware components controlled by an Operating System?
Four of the most critical components controlled by an operating system are: CPU, RAM, Hard Drive and Motherboard.
What is Peterson's solution in operating system?
Peterson's solution:- (AKA Peterson's solution) is a concurrent programming algorithm for mutual exclusion that allows two processes to share a single-use resource without conflict, using only shared memory for communication. It was formulated by Gary L. Peterson in 1981.While Peterson's original formulation worked with only two processes, the algorithm can be generalized for more than two.Mutual exclusionP0 and P1 can never be in the critical section at the same time: If P0 is in its critical section, then either flag is false (meaning P1 has left its critical section) or turn is 0 (meaning P1 is just now trying to enter the critical section, but graciously waiting). In both cases, P1 cannot be in critical section when P0 is in critical section.
What is GRUB?
GRUB is the bootloader for Linux operating systems. The bootloader is the section of code on the hard disk drive that is called and executed at bootup. It will load the operating system components and programs and start the operating system.
