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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.
What is a heap? A complete binary tree, every of whose elements contains a value that is greater than or equal to the value of every of its children is known a Heap
Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.
How call processing takes place? Fundamental Call Procedure: Fig. demonstrates a simplification diagram exemplifying how two telephone sets (as subscribers) are interconnecte
Define class P The class of all sets L that can be known in polynomial time by deterministic TM. The class of all decision problems that can be decided in polynomial time.
Illustrate the table of types of serach engines Type in: CIE and the search engine would return about 22 million hits Type in
What start bit and stop bit The first bit known as the Start bit is always a zero and it is used to show the beginning of the character The last bit is known as the stop bit
A call processor in an exchange requires 120 ms to service a complete call. What is the BHCA rating for the processor? If the exchange is capable of carrying 700 Erlangs of traffic
what is uml ?
Q. Describe Memory and Memory unit? Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jum
WhT is pollymara
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