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Why do you use Alpha Channels in Photoshop?

An alpha channel is a type of mask. Masks can be thought of as selections using some or all of the 256 available levels of gray, instead of a selection outline. Alpha channels define a selection in black, white, and varying shades of gray pixels. In other words, alpha channels store selections as 8-bit grayscale images.In alpha channels, selected pixels are white, black pixels are unselected

Posted in Computers & Technology by ekta mehra at 4:32 PM on June 20, 2008

Channel

In information technology, the term channel is used in a number of ways.1 In telecommunications in general, a channel is a separate path through which signals can flow.2 In the public switched telephone network PSTN, a channel is one of multiple transmission paths within a single link between network points. For example, the commonly used in North America T-carrier system line service provides 24

Posted in Computers & Technology by Sid at 7:39 PM on May 29, 2008

which is better AM or FM and why?

is then decoded by the receiver to recover the original sound.Each AM channel is assigned a range of frequencies, typically about 10 kHz wide. The common frequency identification such as AM 1190 for America AM 1190 represents the midpoint of this operating channel range. Actually, the station uses only about 2.5 kHz on either side of this midpoint because of the interference problems outside. Therefore, the total

Posted in Computers & Technology by Nawraj at 6:32 AM on June 25, 2008
Tags why

what r the different types of communication channel....pls explain

and other fluids, using numerous different signalling means:Dont forget the "communication channel" of physical delivery of pre-recorded media! It is often MUCH cheaper and efficient to send a taxi from source http://wiki.answers.com/Q/2.L ists ixtypesofcommunicationmedi aand giveexamplesofsituationwh erea ndwhy...Well Dinesh , there are 2 types communication channel.1 Simplex communication

Posted in Computers & Technology by DINESH KUMAR at 4:14 AM on June 12, 2008

What is IRC?

channel operator status in every channel, although many people believe that administration of channels and administration of the network should be kept separate, and that IRC operator status does not confer the right to interfere with a particular channels operation....well , I am feeling HAPPY to answer your question , I would like to suggest you to access the source site if its available , for more information

Posted in Computers & Technology by Aryan Gusain at 6:13 PM on July 02, 2008
Tags irc

What is Dolby Digital?

Dolby DigitalDolby Digital logo that is sometimes shown at the beginning of broadcasts, feature films, and gamesDolby Digital, or AC-3, is the common version containing up to six discrete channels of sound, with five channels for normal-range speakers 20 Hz 20,000 Hz right front, center, left front, right rear and left rear and one channel 20 Hz 120 Hz for the subwoofer driven low-frequency effects

Posted in Electronics & Gadgets by ANitA at 12:31 AM on February 28, 2008
Tags dolby, digital

what is the difference between single channel and dual channel ram??

dual channel means that you have two channels/pathways for your CPU to access your RAM rather than one in single channel. Its kinda like having a 2 lane highway versus a 1 lane highway to drive on. Think increased space for data flow. More space, more data. It improves performance but whether you see it or not depends on what youre doing....Running in dual channel mode is slightly faster. Maybe 5

Posted in Computers & Technology by Ugly Aur Pag at 8:05 PM on August 13, 2008

which is the best tv tuner card for laptop,of which brand,covering all channels?

card brand you opt for, you only get to see the channels what the cable/dish offers. Right?...well, USB digital TV Tuner card allows you to watch digital TV and listen digital radio on your desktop PC with a portable antenna and the lowest power consumption which consumesless than 200 mW. Based on our testing, this tuner card manages to receive 42 Australian digital TV channels and extra digital TV

Posted in Computers & Technology by nishant at 9:16 PM on June 27, 2008

Basic Rate ISDN

channels to carry voice, video, or data o Each B channel contains speeds as high as 64 Kbps o B channels can be combined to offer up to 128 Kbps for applications that require more bandwidth A third channel the D channel to carry the call set-up information and low-speed packet dataSample Applications: One line with multiple directory numbers Extended networks with high speed connections and large

Posted in Computers & Technology by kash at 9:23 PM on April 13, 2008
Tags basic, rate, isdn

Please tell me the difference between dual channel and single channel RAM?

dual channel is VERY worth paying the extra money for if your computer can make use of it. basically you can think of ram as any electrical switch. it cycles on and off. when its off no information gets transported. basically what dual channel does is makes sure that the light switch is always on for one of the sticks. when one turns off the other turns on.another simple way of thinking about

Posted in Computers & Technology by Arun Pandian at 1:07 PM on October 07, 2008

how many cable channels is india having? which country has the maximum number of cable channels?

well, A huge industry by itself, the Indian silver screen has hundreds of channels all over India. The small screen has produced numerous celebrities of their own kind, some attaining national fame supplement older terrestrial signals, providing a wider range of channels and services, including subscription-only services. Cable television is a system of providing television to consumers via radio

Posted in Computers & Technology by yikes bikers at 5:04 AM on May 21, 2008

how can i use internet information services for asp.net with vb?

of the virtual directory becomes your application name. Use the <debug> element in a Web.config file that is used for .NET remoting configuration. Use any channel other than the HttpChannel. Use the WebStart method in the Global.asax file.Sub ApplicationStartDim props = New Hashtable As IDictionaryprops"name" = "MyChannel"props"priority" = "100" Nothing entries specify

Posted in Computers & Technology by Harshil at 7:05 PM on June 20, 2008
Tags

What is RRsats business?

.RRSats content management services involve the digital archiving and compilation of a customers programming and advertising content into one or more broadcast channels, with the ability to customize broadcast channels by target audience.RRsat Global Network," composed of satellite and terrestrial fiber optic transmission capacity and the public Internet, we are able to offer high-quality and flexible global

Posted in Computers & Technology by rocky singh at 12:56 AM on May 23, 2008
Tags business

which is the best DTH service?

Best DTH Service in India is that of Dishtv. They have medium pricing of packages variety of channels, more international channels, hindi movie channels and a big array of news channels. Only in the reagional channels of the south that they are quite below Sun DTH. But apart from that they have plenty of active srvices among which active news is my favourite. In active services Tata Sky is a bit higher

Posted in Computers & Technology by ashish at 2:56 AM on July 23, 2008
Tags best, service

What is GSM 900 ?

direction downlink, providing 124 RF channels channel numbers 1 to 124 spaced at 200 kHz. Duplex spacing of 45 MHz is used.In some countries the GSM-900 band has been extended to cover a larger frequency range. This extended GSM, E-GSM, uses 880915 MHz uplink and 925960 MHz downlink, adding 50 channels channel numbers 975 to 1023 and 0 to the original GSM-900 band. The GSM specifications also describe

Posted in Computers & Technology by blogger01 at 10:13 PM on May 29, 2008
Tags gsm
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