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Q. Explain about Cathode Ray Tubes?
Cathode ray tube is the major technology on that televisions and monitors have been based. CRT is a partially evacuated glass tube which is filled with inert gas at low pressure. A specially designed Cathode (negatively charged electrode) shoots beams of electrons at high speed in the direction of an anode (positively charged electrode) which imposes on screen that is coated with small phosphor coated dots of the three primary colours. This cathode is also known as an Electron Gun. Actually there can be three separate guns for three colours (Red, Green and Blue) or one gun for all three.
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Give the format of Ethernet frame and explain the semantics of each field. An Ethernet frame starts with headers which have three fields. The 64-bit preamble, which precedes th
The Variant data type has a numeric storage size of 16 bytes and can have data up to the range of a Decimal, or a character storage size of 22 bytes (plus string length),and can ke
Explain Traffic Intensity in networking. Traffic Intensity: The traffic load on a given network may be on interoffice trunk lines, the local switching unit or other common s
Easter Island is a small island (about 150 square miles in area) in the Pacific Ocean about 2,000 miles from South America. In about 400 AD there was a small population of settlers
1. In an ASCII editor, make an empty text file with the extension .ord. 2. Save the file in the Dat folder of the project. 3. Click To o l s > G UI R e c o r d O p t i o n s
The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communicatio
Consider the ReadRear Java method (a) Illustrate pictures that explain the data structure every time a checkpoint is reached for the problems of sizes one, two, three and four s
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