Homework Statement
The distance d from the center of the pattern to the location of the third diffraction minimum of the red laser is 4.05 centimeters. The wavelength of the red laser is 633 nanometers and the slit is 0.15 millimeters wide. How far is the screen from the slit?
Homework...
Homework Statement
Although the image in a television screen appears to change smoothly, it consists of 25 separate pictures every second.
The production of a flicker free image is helped by:
(i) PERSISTANCE OF SCREEN GLOW
(ii) PERSISTANCE OF AN IMAGE ON THE EYE
Explain how each of...
Hi. I have an HP Pavilion dv6000 running Window's Vista with a 2.0 GHz processor and 3 GB RAM.
For some reason, whenever I have a video or voice chat on Skype (version 3.8), my computer gives me a Blue Screen of Death.
As you may guess, this is very annoying when trying to have formal...
Hi,
I don't know if this is the right place, but I figured there'd be people here who know a thing or two about the said calculator model. My TI-86 is and old one (ca. 5 years). I didn't use it in the summer, and when I took it out again, there were multiple dead lines on the LCD screen. Is...
I'm trying to get some software working to automatically download podcasts to my girlfriend's PC. The problem is that the window for setting options is too big, so not all of it is accessible. In particular, the "OK" button is off the screen, so I can't save the options. D'oh! I've been...
hey, I've been having BSOD problems lately, when trying to play a game I keep getting them: ialmdev5.dll stop errors, non page fault (or something of the like), I tried installing new video drivers from dell.com but it didn't help at all.
I attached my dxdiag, any help is great, thanks!
Theoretically in daily life we come across the word pixels like mega pixel camera or on computer screen or on T.V. we watch the pictures clearly due to large no. of pixels.But following questions come to my mind regarding this
1.) What is mean by the word pixel and how can we understand it ...
After about an hour, I get this weird pain sensation behind my eyes and I have to stop and walk around. I am not really sure why this happens. Of course I don't literally mean I look directly into the computer screen for one hour straight but just naturally work on a computer. I can read a book...
[SOLVED] Resolving pixels on a computer screen
Homework Statement
A standard 14.16-inch (0.360-meter) computer monitor is 1024 pixels wide and 768 pixels tall. Each pixel is a square approximately 281 micrometers on each side. Up close, you can see the individual pixels, but from a distance...
Hi. Yesterday I was playing a game (Morrowind Tribunal) and when doing certain actions (resting, equipping things) I got the blue screen of death with a file ialmdev5.dll I wouldn't be so mad if it would only happen once, but it happens all the time.
Here are my system spec:
System...
Which is best? I have the TI-89 but I am curious about how it compares to the hp50g.
Does the hp have ebook reader apps or note making apps. can the screen resolution be adjusted to increase the size of the character font etc. Does the hp have good 3rd party app support. the TI apps are...
I have a mpeg video which I can play using Windows Media Player. I tried to do a screen capture using Paint Shop Pro. However the screen capture was unable to capture the image of the video on my screen. How can I get a video image into a jpeg file?
Pete
I have this Matlab GUI and I need assistance with making it independent of screen resolution. What I mean by this is that I want it to resize itself according to whatever the screen resolution is. Now I know how to do this for the actual GUI figure window, but none of the objects within the...
Hi. A while ago I got a new, fully loaded, great speced computer, and for the past few weeks, I have been getting the BSoD.
However, what is confusing me no-end, is that I always get it once a week, on a wednesday, at around the same exact time during the day +/- 10 minutes.
Any...
Could a Windows update be causing my laptop screen to flicker? A few weeks ago, my laptop screen started to flicker. I did a system restore to an earlier time without the flicker and the flicker stopped. Today the flicker is back. There was also a Windows Automatic update.
Coincidence?
Homework Statement
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.0 cm. You have a helium-neon laser (lambda=633 nm) and a 0.12-mm-diameter pinhole.
How far behind the pinhole should you place the viewing screen?
Homework Equations...
Just have to get a picture box to move around a screen, I'm running the program by a timer. I'll show set integers below.
Timer = Timer1
Picture Box = Robot
Dim Robotpace as integer
Basically, when you click on the start button it enables the timer. Here's the coding.
Private...
hi
i study 3d drawing with 3d studio max since few days iheared about hologragh
technology so i want to assemble it to create the 3d shape
please i want some information about it such as video or book and i want to
know what's the tools and materials used in it and where can i buy it
thanks...
For some reason, my mouse cursor remains frozen , even after I shut down my laptop numerous . What steps should I take to unfreeze my cursor?
BTW,I'm using a laptop and and I don't have a mouse attached to my laptop. I'm using the mouse already installed on keyboard of my laptop
I have a small scratch on my screen, at the plastic cover level. Is it possible to have the plastic cover replaced without replacing the entire screen?
OK. Here's a stupid little thing I need to do:
I need to capture my screen to develop an instruction manual for some software. I need my screen capture program to capture my mouse pointer on the screen. All of the freeware programs I have tried do not do this. The built in Windows screen...
blue screen - need help :( please
i have a toshiba a105-s4114 notebook. on sunday night the blue screen came up after the computer froze. it pretty much just boots, says 'sorry for the inconvience...etc', goes to windows xp boot screen, then a while later a quick blue screen and reboots...
Does anyone here use an extra screen to shield their monitor?
How well does it work? Would you recommand buying it? I currently have a plastic covering that came with the monitor to cover the screen which reduces the intensity somewhat but not by much. I can feel the difference with and...
That's always kind of puzzled me how moving a mouse on my desk can cause an arrow on the computer screen to move around. There's no real means of propulsion that I can see. It's almost like magic.
But, finally, I found a website that explains what's going on. Thanks to the marvels of...
Noise handling algorithm in 8 wire touch screen
here's how a touch screen work http://focus.ti.com/lit/an/slaa298/slaa298.pdfProblem:
when the touch pen is stationary on a point and reading ADC values from a touch screen using the micro controller, the ADC values are never the same
eg, 1st...
concept of resistive touch screen, anyone an IEEE member?
hi, i am having a problem with my 8 wire resistive touch screen
the cursor keeps drifting about due to analog noise
i suppose i would need to program an algorithm to clean up the noise to keep it stationary. i have tried putting a...
Which is more strenuous on human eyes? Because i do plenty a lot of both of them. If i learn that one is less strenuous than the other, i wil probably start spending more time doing that instead.
Btw, i have an LCD monitor, which I've heard is better than a regular monitor, but it kind of just...
I'm at a friends house at the moment. Thefamily has two computers each with a problem I'm unable to solve.
(a) The first one is a problem with sound. There are no sound devices installed as indicated by the sound manager. How to I find the software and install them on the computer?
(a) One...
OK, here is what happened:
1. I was reading the news at Yahoo.
2. I went to take a shower.
3. About 30 minutes later, I returned to my computer and found that the colors of the screen had been strangely altered.
For example, the bars at the very top and very bottom of my screen are...
Can a uniform diffraction grating (a window screen) alone focus objects (bricks on a building beyond) so that a nearsighted observer (I) can better image them?
Im trying to build a device that would alow me to raise or lower a rolled piece of fabric a set distance with the use of a switch. for example flipping the switch down would cause the motor to spin the spindle one direction, lowering the fabric to say a distance of 4 feet and stopping, then...
I'm at work, I printed a page, walked to the printer, came back and my computer had a black screen, the power button was blinking. I tried moving the cursor, and a few other things, no change. I decided I'd have to do a hard shut down, so I pushed the power button.
STOP - SYSTEM MEMORY DUMP...
There was a period in the 80's when I used to notice whether someone had alumininum or wooden screen doors every time I drove past their house. In fact, I almost looked down my nose at such people and thought they were no better than pond scum (just kidding). I was going through a snooty stage...
What keeps coming out of this for me is that the Bush admin claims that Congress was kept informed, and that this qualified as Congressional oversight. However, since those same members were sworn to secrecy, they would be committing treason should they act to disclose, hence act on any of that...
Hi. Yesterday, I was playing a game (Warcraft III) when suddenly system stops and I get a BoSD... It stated something like
"A problem has been detected and windows has been shut down to prevent damage blah blah blah blah, Technical information ***STOP: 0x0000008E (0xC000005, 0XBF04DF7B...
I was thinking that maybe people read something into my SN. "Smasherman" is just the name of my barbarian on Diablo II, which no longer exists, anyway. I do not, in fact, smash things (well, not often, anyway :biggrin: ).
But, to spur conversation, how much do people read into screen names?
Electrons in a television set are accelerated through a potential difference of 2.0 kV.
(a) Find the speed of the electrons when they reach the screen. Ignore any relativistic effects.
how to do this i have no idea what formula to use
Hopefully someone can help me with this problem. When I turn on my TI-85, the whole screen is dark blue (every pixel is dark blue). If I turn it at an angle, I can still see the curser; and performing functions on it still work (when looking at an angle). Has anyone ever had this problem with...
Greetings
I just installed a screen door. With the glass in the screen, I noticed that if I close the main entry door prior to the screen door being shut, the screen door will not close all the way and hit the latch.
If I try to close the screen door with the main door open the screen...
Okay, from the title of this post, you can already tell I'm pretty much a noob when it comes to C. But the situation is that I have visual c++ 6.0, and haven't been able to find any libraries with a putpixel(x,y) type function that i can use to simply plot a point within a dos window. Would i...
Recently, my computer screen keep flickering when starting up windows, but fine when in the Windows. However, the fickering will start again if i open some programes, especially games.
Just now, my PC hang again. When i in bios, i was alerted that my +3.3Volt has droped.
What is the...
This is probably painfully simple, and is not a 'brain teaser' as such but this seemed like the most suitable forum.
My bro and I were having a discussion tonight and we stumbled across a problem that probably lead to more discussion than it is worth, but since we still can't come up with a...
Is it just me, or is anyone else getting a little tired of those ads that pop up at the bottom of the TV screen in the middle of programs? It seems to be more and more a common practice.
My daughter was watching a movie on TV tonight and right during a part of the movie where the characters...
Hi. I have 1 computer, and obvoisly, a TV. What I want to do is play Grand Theft Auto vice City multiplayer, either using a split screen, or having one go to the TV, and the other one on the computer. Because GTA:VC does not come with this, the only way is if I open 2 Grand Theft Auto Vice...
I want to print the complete work screen of Matlab, I mean, with the control bars and the workfield. You can see this kind of printing in manuals and so. It is like capturing the screen (including the window upper bar) and printing.
But anybody here knows how to do it?
Thanks in advance.