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Computer Monitors

Computer monitors are television-like devices used to display graphical information from a computer. They have been the primary form of displaying output to the computer user for decades. Questions about computer monitors and monitor display technologies belong here.

2,946 Questions

How can you check what graphic card do you have in your computer?

u are not mentioned which OS u r using if u are using Win2K or above that it will detect automatically when we are trying to reinstall it.if u are using adapters just check the adapter and search on internet for getting the drive.if it OS onboard check what is ur mothher board type.then search on Websites.Thanx

What is LED-LCD tv?

LCD displays use tiny liquid crystal shutters, one for each pixel that makes up the display. Behind the shutters is a light source that passes through the shutter when it is open. LCD displays have used a form of fluorescent lighting behind the shutters but increasingly, LEDs are being used as the light source. The display technology hasn't changed, just the light source.

Note that these are different to true LED displays. These use LEDs to create the image directly and replace the liquid crystal shutters and the light source behind them. Although they are a very recent introduction in domestic televisions, this technology has been around in the large arena and stadium displays for many years.

Can a computer screen become a TV?

yes. Just hook it up to the computer hardware. But you cant't get cabel or watch a tape on it. there are converters that convert NTSC signal into computer signal. However they run around $100-$150. update June 27, '07: my Grandtec GVC-1000 cost only $60 and works very nicely. It even has a remote control. It has inputs from Composite Video (RCA plug), S-Video, and VGA, and output to VGA. So you can use it to switch between VCR, DVD player, and computer, all through the same monitor. The VCR or DVD player provide the TV channels if you want them. And my computer monitor has much better resolution than my old t.v. did. you can buy a 'Scart to VGA SyncBlaster Cable' from Maplin Electronics

What is called to connect the one CPU to many monitors?

http://support.microsoft.com/default.aspx?scid=kb;en-us;307873 This article indicates that WinXP supports up to 10 monitors. Many video cards will support 2 monitors. If you install two such cards, then you may connect 4 monitors. Add video cards as long as you have empty PCI slots in the PC.

What is Difference between direct view storage and flat panel display?

"Flat panel" screens refer to any screen that does not have a cathode ray tube, the large glass tube that takes so much depth inside a conventional television. Flat panel screens include plasma, LCD and LED and are normally about 5 inches deep. Wide screen describes the shape of the screen. Conventional screens are a ratio of 4 wide to 3 high. Widescreen normally refers to a ratio of 16 wide by 9 high although there are other ratios that can be described as widescreen as well. Flat panel screens and CRTs come in 4 : 3 and 16 : 9 formats. Flat panel is a thin television, widescreen is what most HDTVs are. Widescreen is basically a movie style screen. It's a lot wider than it is high.

Who makes HDTV LCD screens?

Samsung makes displays for Samsung, Sony

Sharp makes displays for Sharp

LG makes displays for LG, Philips, Toshiba, Vizio, et all

CMU - Taiwaneese OEM

AUO - Taiwaneese OEM

What is CRT in TV terms?

The CRT refers to cathode ray tube. This is the oldest of the varous TV types. More recent developments have been projection, plasma, etc.

What is the best LCD monitor for photo editing?

You need a decent computer with at least 2gb of RAM (check your program requirements, they may have changed); 2gb may not be enough depending on image size/resolution, and amount of layers you are working with. On anything less than 1GB it will run slowly and crash from time to time. Photo editing programs are very memory intensive, the best system is one with lots of memory. The more layers you are working with and the larger the image is, the more memory your image editing program will consume. A good video card will also help out, however, it is the memory that is mainly important. A good quality monitor is also a plus.

Good examples are computers are Mac Pro , and Dell Alienware M15X (there may be better examples at this time), but you can also have your computer custom built to meet your needs

How do you connect a PS2 to a Computer Monitor?

Buy a VGA cable for the PS2 off Amazon. It's like £10.

  1. Make sure your computer monitor has a VGA input. (Usually blue, three rows of pins)
  2. Get a VGA to RCA converter box (view tips for a cheap one)
  3. Plug in the RCA cables (Red, White and Yellow) into the box and plug in the VGA.
  4. If your converter has multiple inputs, make sure you have all the cables under the same number
  5. Press the corresponding button to activate that RCA to VGA connection and turn on your monitor

How do you connect your laptop to your PC monitor?

Its basically the same as hooking your desktop up to your monitor, depending if your laptop or the cable uses VGA, DVI, DisplayPort or HDMI. Usually there should be a port on the back or sometimes even on the side of your laptop. Most VGA ports are blue, most DVI ports are white and nearly all DisplayPort and HDMI ports are black.

Example of VGA: http://en.wikipedia.org/wiki/File:VGA_port.jpg

Example of DVI: http://help.bluebones.net/imgdvi_port.jpg

Example of DisplayPort: http://en.wikipedia.org/wiki/File:Mini_DisplayPort_on_Apple_MacBook.jpg

Example of HDMI: http://www.surfshopcomputers.net/wp-content/uploads/2011/10/Guide-connect-laptop-to-HDMI.jpg

If the cable that comes from the monitor is DVI (white) and the port on your laptop is VGA (blue) or vice versa, you will have to get a DVI/VGA converter, they run from 5-10 USD. In most cases you should be fine just as long as you have a VGA or DVI port on you laptop.

If you have a DisplayPort or HDMI, all you need is either an HDMI or DisplayPort cable with the same type input in your display. If you don't have DisplayPort, chances are the laptop has an HDMI so you can just use the HDMI connection. Most new displays (TV's and Monitors) have an HDMI, DVI and/or VGA input.

How computer monitor function?

Monitors serve to display what is inputted on a computer. There are various types of monitors, but you should choose the one that is best for your vision.

How do you connect two monitor to one PC?

Depending on the motherboard model, you may need to use a PCI video card. On some of the Gateways, the on board video is using the AGP, so if you put an AGP card in, the on board shuts itself off. Just go to newegg.com or other computer parts seller and purchase a dual head video card.

How many pixels in 3.5 centimeter?

It depends on how many pixels the camera manufacturer cram into the sensor.

How do you measure the size of a TV screen?

Diagonally across the screen. (From top left to bottom right, or top right to botom left.)

Explain why performance monitor counters sometimes have multiple instances?

ANSWER

If the computer contains more than one of the same type of component, such

as two network interface adapters, instances enable you to monitor each one

independently.

Who invented the first computer screen?

Until the early 1980's most monitors were terminals. They were boxy video display terminals (VDT's) combined with an attached keyboard.

In 1981, IBM introduced the first PC, also known as a "three-piece computer" because the monitor, keyboard and CPU were separate, rather than earlier computer terminals, which combined the monitor and keyboard.

What are the names of the liquids used in a smoke machine?

Two common liquids used in smoke machines are fog juice (also known as fog fluid) and hazer fluid. Fog juice is typically water-based and produces a thick, white fog, while hazer fluid creates a finer mist that hangs in the air longer. Both liquids contain a mixture of water and glycol or glycerin to create the smoke effect.

What is the difference between cathode ray tube and flat panel?

The cathode-ray oscilloscope is an electronic display device containing a cathode-ray tube (CRT), used to produce visible patterns that are the graphical representations of electrical signals while CRT (cathode ray tube) is a tube that uses high voltage to fire electrons at a screen

Is electromagnetism present in the cathode ray tube of a television?

Yes, electromagnetism is a central factor in the Cathode Ray Tube. An electron emitter at the back of the Cathode Ray Tube (CRT) fires electrons toward the front of the tube. These electrons pass through two sets of parallel metal plates - one set is oriented horizontally and the other vertically. The CRT creates a variable strength electromagnetic field across each pair of plates, and as the electron passes between the plates, the trajectory of the electron is deflected up, down, left, and/or right - depending upon the polarity and magnitude of the magnetic field between the plates. By deflecting the trajectory of the electrons so, the CRT can selectively and accurately aim electrons at specific points, or dots, on the front of the CRT. The inside front surface of the CRT is coated with a photo luminescent material that emits a photon (light) of a specific frequency (color) when struck by the electron. By selectively coating materials that emit red, blue, and green light for each dot, or pixel, the CRT can create a broad range of colors. The deflector plates cause the electrons to scan left to right (when looking at the picture) starting at the top line, then left to right on the second line, and so on, until it scans left to right on the very bottom line. The CRT resets the deflector plates again to start at the top left dot, and repeats the cycle for the next frame. This process is called a progressive raster scan. Most television signals use an interleave scan, where the CRT scans left-to-right on all the odd numbered lines first, then resets to the top-left corner, and next scans left-to-right all the even numbered lines last to scan a frame. Thus, in an interleaved raster scan, it actually takes two successive scans to display a complete frame. On a North American television, that uses NTSC format, the television scans 525 lines per frame (486 visible lines), 30 frames per second. A link to the Wikipedia article on the CRT is provided.

Static RAM vs dynamic RAM?

1.4 times more expensive 2.Very low access time 3.Information stored as voltage level in a flip flop. 4.used in cache memory 5.high cost 6.Information stored on RS flip-flops 7.small storage capacity 1.looses its signal 1 becomes 0 2.periodic refreshing of memory is needed. 3.These are mostly made of capacitors. 4.Information is stored as a charge in the gate to substrate capacitance. 5.used in main memory 6.low cost 7.comparitively high storage capacity

How much voltage does a LCD monitor consume?

A typical 17" LCD for computer uses about 40 watts. Compare this to 17" CRT which is 120 watts.

This may vary as new technologies are introduce in the lighting of this appliance.

The switch to LEDs for backlighting will reduce this number significantly.

How many pixels are there in a Cathode Ray Tube monitor?

There aren't pixels as such. the face of the CRT is coated with phosphors that light up when electrons strike them. The equivalent pixels would be a function of beam size.

Moving on to later color CRTs, there was a mask overlay to force a pixel effect and isolate the RGB beams to one 'pixel' area.

Pixels don't become real until you have a true digital display when there are in fact individual pixels to light up.

What is the work of ic 74ls34n?

A: The use is for transferring 8 bits of data from a parallel source into a 3 state bus Since it is 3 state 8 bits "D" flip flops it has an output control qt pin 1 if hi the flip flops are no care or floating in the 3 state