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0answers
37 views

Is latency from hardware interrupts a hardware, driver or kernel issue?

Being a power user I have spent countless hours tuning systems, checking DPC latency blah blah All of this begs the question why are we still dealing with these issues? I personally can't tell if ...
105
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8answers
18k views

If DOS is single-tasking, how was multitasking possible in old version of Windows?

I read that DOS is a single-tasking OS. But if old versions of Windows (also including Windows 95?) were just wrappers of DOS, how could Windows run as a multitasking OS?
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2answers
978 views

Multiple cores = better multitasking?

Specifically I am looking at either the i5-3570k or the FX-8350, but it made me think of a more general specific question on how multiple cores can improve general multitasking. Been reading a lot of ...
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1answer
85 views

Windows7 issue in mutli- tasking and memory

I seeming some problem in my windows OS recently, let me first say my system configuration. processor - Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66 GHz Installed memory (RAM) - 4.00 GB (3.00 GB usable) ...
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5answers
1k views

Why do modern pre-emptive multitasking OSs hang when the CPU is loaded?

This is an open-ended question, with many possible answers, but perhaps there's one big thing I'm overlooking. If not, perhaps this question should be community wiki. I don't use other OSs often ...
2
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1answer
165 views

How OS protects from drivers interaction in multitasking?

I have been thinking. Let's consider this example: We have 2 programs running on PC. First is, for example internet browser, and second is some WiFi scanning software. Now, browser wants to use ...
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vote
1answer
870 views

Which processor/core is this process/service using?

What can i use to monitor which processor/core/thread an application is using? I have 16 processors and want to know which processor a specific application is using. I am running Windows Server 2003 ...
8
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1answer
2k views

How can I throttle down Dropbox's IO operations?

Empirical evidence suggests that Dropbox's indexing at startup time is the main source of slowdown for my Windows 7 partition -- things grind down to a crawl when the indexing is in progress and ...
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1answer
293 views

How to do simple multitasked loop processing over filenames with PowerShell?

I'm batch transcoding some 50 GB of video files on a USB hard disk which is connected to a wlan router. The drive is mapped as a network drive on my Windows 7 laptop. The speed handicap of the wlan ...
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votes
3answers
677 views

How OS manage running programs

since windows is multitasking OS, it must somehow switch between processes. But how is it done? Does windows include some kind of breakpoints into running programs, which should switch to other ...