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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.
Objects, messages, class, inheritance and polymorphism are the major concepts of object orientation.
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate Tr
Q. Drawback of the system using disk caching? The main drawback of the system using disk caching is risking loss of updated information in event of machine failures like loss o
Q. Explain about Open System? The 'Open System' is a system within its environment. It receives input from environment as well as provides output to environment. Illustrati
Harvard mark i and the bug The next important effort towards devising an electromechanical computer was done at the harvard University, jointly sponsored by the Department of U
A device driver is software interface that manages communication with and control of a particular I/O device or type of device. It is task of device driver to convert logical reque
What are the characteristics of digital ICs used to compute their performance? Ans: Characteristics of Digital Integrated Circuits 1. Speed of operation: The Speed o
What are the Structural Notations These notations comprise static elements of a model. They are considered as nouns of UML model that could be conceptual or physical. Their ele
(1-x^2 ) (d^2 y)/?dx?^(2 ) -x dy/dx-4y=0
How do you turn off cookies for single page in your site? We can turn off the cookies for one page:- By setting the Cookie. Discard property false.
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