operating-system

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Operating Systems,Unix [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably开发者_开发问答 answered in its current form.[详细]

2023-04-11 23:14 分类：问答
bind nsrect and nstextfield

I would like to bind frame of NSView to model property NSRect. I did this in that way: [textView.enclosingScrollView bind:@\"frame\" toObject:bindingsController withKeyPath:@\"selection.text开发者_Go[详细]

2023-04-11 15:12 分类：问答
How to differentiate between USB device types?

Having read up on this question regarding working with USB devices, I got to wondering what method is being used by the operating system to differentiate between types of USB device?[详细]

2023-04-11 12:45 分类：问答
Open in 32-bit mode

Under MacOS, you can change a little option for 32-bit executables called \"Open in 32-bit mode\". Wouldn\'t it work directly? And it works, but for some applicatio开发者_StackOverflow社区ns you had t[详细]

2023-04-10 12:21 分类：问答
Zero Threaded Process?

Does a process have to have at least one t开发者_高级运维hread in it? Is it possible for a process to be void of any threads, or does this not make sense? A process usually has at least one thread. Wi[详细]

2023-04-10 04:51 分类：问答
Symmetric multiprocessing and Distributed systems?

Are distributed systems a completely independent concept compared to symmetric multiprocessing (since in distributed, we h开发者_JAVA技巧ave individual memory/disk storage per CPU whereas in symmetric[详细]

2023-04-09 18:43 分类：问答
Does there have to be a mode switch for something to qualify as a context switch?

Does there have to be a mode switch ie. from user to ke开发者_C百科rnel mode in order for the action to be called a context switch?No. Not all processors even have privilege levels.[详细]

2023-04-09 18:38 分类：问答
Take a temporarily control of the system using Java

I have developed an app for showing some information to the employees of a company. One 开发者_开发知识库of the specification was that this information must be seen at least 1 time by the employee onc[详细]

2023-04-09 07:39 分类：问答
Semaphores in operating system

Well, what exactly changes the context of processes. Say i have a algo, in which say S=0开发者_如何转开发;[详细]

2023-04-09 07:35 分类：问答
Surely schedulers aren't this harmful? Don't we have better APIs?

I\'m wondering what APIs are available to avoid the following problem. Casting my mind back to Operating System lectures on my old CS course, the topic was multiprocess scheduling and concurrent I/O.[详细]

2023-04-09 04:57 分类：问答