hardware Questions
6
Solved
I download "SharpKeys.exe" from here. It works well. But I want to change "Pause/Break" to another, this app cannot recognize this key correctly. Does any one know the scancode? Thx
2
Solved
I'd like to define a boolean function (with n inputs and m outputs) in a tabular form. I'd like to find an optimal boolean expression which implements the function. Optimal here means that, impleme...
Wickham asked 7/5, 2011 at 16:10
2
Solved
With reference to this article: Hard Drive Knowledge: Blocks vs. Sectors, there is a line that reads:
Because there are limits to the number of blocks, or drive addresses, that an operating system...
2
Solved
I am trying to get the serial number of the boot drive and I haven't figured out how to do it.
I do understand that the partition =\= hard drive but I'd like the serial of the boot partition.
Thi...
8
Solved
Are shift operations O(1) or O(n) ?
Does it make sense that computers generally require more operations to shift 31 places instead of shifting 1 place?
Or does it make sense the number of operati...
Anacreontic asked 31/1, 2012 at 17:5
3
Solved
Does anyone know/remember the actual read/write speed of floppy disks? I want to use this as a tidbit for arguing how painfully slow our Sharepoint server is, but all the websites with information ...
9
Solved
what is the difference between flip-flops and latches?
Spinoza asked 15/6, 2009 at 7:9
8
Solved
I have a little USB-powered light. I'd like to be able to turn it on and off with software. I'll be attaching it to a Linux computer. I have an Atmel ATtiny2313 from a previous project, but I'd rat...
Abib asked 26/8, 2010 at 20:41
3
Solved
I need to check in C# if a hard disk is SSD (Solid-state drive), no seek penalty?
I used:
ManagementClass driveClass = new ManagementClass("Win32_DiskDrive");
ManagementObjectCollection drives =...
Quern asked 5/12, 2012 at 15:23
6
Solved
I'm very curious how assembly languages work- I remain general because I'm not talking only about intel x86 assembly (although it's the only one I'm remotely familiar with). To be a bit more clear....
1
Reading a hardware bus specification, I frequently come across things like:
"When the controller sees that a bus request has been made, it asserts the Bus Grant line to the first device."
What ex...
1
Looking for some assistance testing a UART implementation with hardware flow contorl for the OMAP L138. To test the implementation I use minicom to emulate the other end of the serial link and I'm ...
Candycandyce asked 24/5, 2013 at 1:51
13
Solved
I'd like to get an id unique to a computer with Python on Windows and Linux. It could be the CPU ID, the motherboard serial, ... or anything else.
I looked at several modules (pycpuid, psi, ...) w...
7
Solved
I got a RS232 signal capture device. and it working great.
I need some help making sense of the data. Basically we bought it because we are dealing a late 80's machine controller that uses serial...
Halftone asked 14/8, 2009 at 18:39
2
I am trying to detect the current p-state of my cpu. I have noticed that the p-state status MSR (C001_0063) always returns 2 on my ryzen 1700x system, even if the core is clearly not in that state....
Artur asked 20/12, 2017 at 18:10
4
Solved
I'm trying to find something I can use as a unique string/number for my script that is fixed in a machine and easily obtainable(cross-platform). I presume a machine would have a network card. I don...
Mulvey asked 26/3, 2016 at 13:23
7
Solved
I have a process that requires me to identify different machines, and I'm not sure what's the best way to do it.
I do not want to save that ID on a text file or something, but I want to generate it...
Calcicole asked 12/7, 2016 at 11:53
3
Solved
How do GDB watchpoints work? Can similar functionality be implemented to harness byte level access at defined locations?
Hullabaloo asked 18/10, 2011 at 10:25
9
Solved
How and why do 7- and 35-pass erases work?
Shouldn't a simple rewrite with all zeroes be enough?
4
I am not able to understand the difference between Page Size and Page Table Entry size.
From my understanding, Page size is used to divide the Page table in equal no. of blocks called Pages and th...
Phrixus asked 22/9, 2016 at 3:44
15
Solved
I am developing a net-managed device with the .NET Micro Framework. Since the idea is to have a bunch of devices in an office, sometimes it is necessary for the user to know the IP address of a spe...
Underarm asked 6/8, 2010 at 15:59
5
Solved
I'm planning to make a login system by USB, so if you put in a USB-drive and open a specific webpage, the website asks the USB-drive for the code (e.g. by a JavaScript file, a redirect or something...
Homorganic asked 4/11, 2013 at 22:16
14
Solved
What are the ASCII values of the arrow keys? (up/down/left/right)
4
Solved
I am a software/hardware engineer with quite some experience in C and embedded technologies. Currently i am busy with writing some applications in C# (.NET) that is using hardware for data acquisit...
Robbynrobe asked 28/4, 2014 at 12:15
3
Hi everyone I hope someone can help me solve this problem. I'm having trouble getting hardware acceleration to work on a laptop with Intel Integrated Graphics.
The Problem:
Hardware Acceleration ...
Misguide asked 31/1, 2013 at 21:22
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