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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.
Echo suppressor is detrimental to full duplex operation because? This disables one of the two pairs in a four-wire trunk line while a signal is detected upon another pair.
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the 68000 has rich of addressing mode . it concerned with the way data is accessed . identify the destion addressing mode for EXG D0, A2
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what is java
State the scope of security policy The scope of security policy depends on aspects such as the size of the Intranet site, type of information hosted on it, and the number of u
Takes care structural and behavioural aspect of a software system. Contains software usage, functionality, performance, economic, reuse, and technology constraints.
Explain a public key encryption system? A public key encryption system permits only the correct receiver to decode the data.
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