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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.
Difference between aggregation and association Aggregation is a particular form of association, not an independent concept. Aggregation acts semantic connotations. If two objec
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Message passing is possible the most widely used parallel programming paradigm these days. It is the most portable, natural and efficient scheme for distributed memory systems. It
Can the operand expression in an ORG statement contains forward references? If so, outline how the statement can be processed in a two-pass assembly scheme. ORG that is origin
data warehousing Data warehouse means Subject oriented Integrated Time variant Non-volatile collection of data for management's decisions. It is h
What are different control function categories. Explain. In several switching systems, the control subsystem may be an integral part of the switching network itself. This syst
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Design a 4 : 1 multiplexer with strobe input using NAND gates. Ans. Design of 4 : 1 multiplexer with strobe input using NAND gates.
Give difference between assembler and compiler. Assembler: It is the translator for an assembly language of computer. An assembly language is a low-level programming language
How to select valid lines for secondary list? To stop the user from selecting invalid lines, ABAP/4 offers various possibilities. At the end of the processing block END-OF-SEL
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