Questions tagged [computer-hardware]

The tag has no usage guidance.

16 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
30 views

Is there a solution for USB Multiplexing, i.e. passing data between different devices by sharing/splitting a USB connection?

Forgive me if my title is vague, I will attempt to explain my issue. I don't know if such a solution exists and I have tried searching without any luck. I would like to utilize a passive USB protocol ...
2
votes
0answers
85 views

Connect a GPU to a mobile FPGA using

Please indicate if this question would be better asked on other fora, I'm not an engineer but computer scientist, and have very little experience with FPGA's / ASICs. As far as I understand from ...
1
vote
0answers
27 views

How much energy do all the world's emails use?

I have heard high level statistics and headlines around blockchain uses more energy than the Netherlands I am interested to compare this quantitatively to other utilities, for example email and ...
1
vote
0answers
40 views

How long can I reasonably expect my external USB HDDs and memory sticks to last?

I have a number of external USB HDDs (nearly all of them 2.5") in my fireproof safe. They are between 7 and 9 years old. (For a period of two years, I bought one almost every month until I had ...
1
vote
0answers
34 views

What purpose do the “angled tabs” on a PCIe bracket serve?

In the PCIe specification (see page 75), the "short arm" of the bracket has two cutouts; one for the slot that the retaining screw fits in, and another square cutout that has additionally had the ...
1
vote
0answers
16 views

Network Switch with Togglable Ports

I'm a software engineer that works on custom embedded devices. I program these devices through a typical RJ-45 ethernet cable. In most cases, I can connect my computer to these devices through a ...
1
vote
1answer
8k views

How to detect what wattage that my Windows laptop is receiving via USB-PD?

I don't know too much about USB-PD. I understood that USB-PD requires negotiation between the charger and the receiver. So probably my Windows laptop (Dell XPS 9570) should be able to know the current ...
1
vote
0answers
17 views

motion gesture and axis definition

I read something about defining hand gesture, which include mid-air hand gesture (e.g a peace sign with the two fingers moving one after another), touch-based gesture (e.g. on touch screen), and ...
0
votes
0answers
24 views

Has there been any deliberate implementation of combinational logic soft error correction in any consumer-level product, like a CPU/microcontroller?

It is well known that many error detection, mitigation, and correction methods, such as parity or ECC, have been available in large memory banks, like for RAM, for decades now, and even in CPU caches ...
0
votes
0answers
30 views

2 complement code and Carry, Zero, Overflow and Negative Flags

Assuming I have a negative 8-bit number represented in 2 complement code, let's say -12, what number can I add to it to set all flags mentioned in the title (Zero, Negative, Overflow and Carry), or at ...
0
votes
1answer
24 views

Climate control in data centers

I'm a student currently working on a market research project on the HVACR industry, and I'm having trouble nailing down a simple answer to these questions (it may be there are no simple answers, as so ...
0
votes
0answers
35 views

Sealing thrips out of monitors

I don't know if this is the correct forum as I can't find any suitable tags. We operate some of our equipment in fields inside tents. Our big problem is thrips/thunder flies. They somehow make it ...
0
votes
0answers
17 views

Ryzen 5 2600x Rev. A versus Rev. F: What is difference in revs?

My son built a computer a few months ago with Gigabyte m/b and Ryzen 5 2600x. He bought the parts at a local Computer Super-Store and built it. I liked it so much I bought the parts at the same local ...
0
votes
0answers
58 views

How to add external sensor data to pictures, canon DSLR, hot shoe, electronics

Here's a challenge - I am trying to add different sensors data (height,temperature,distance by laser) to pictures i take with a canon DSLR camera. Would it be possible to connect different sensors ...
0
votes
0answers
45 views

How long do external hard drives and the data they contain last?

How long do external hard drives and the data they contain last in case of lack of any use after downloading the data and the condition of storage having a room temperature, average humidity of 60-70% ...
0
votes
1answer
49 views

Memory management in for multiple cores of a processor

I come across a question-'How big an address space should I allocate for each ARM A53 core in a mobile processor?' What is the answer for this? Does it refer to memory management in SoC?