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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.
Why Java is called Machine Independent? While a java program is compiled this is not converted in an executable code. Rather, this is converted in a byte code. Byte code is hig
Define BCD. A binary code that distinguishes between 10 elements must contain at least 4 bits, but 6 combinations will remain unassigned. Numerous dissimilar codes can be obtai
In step by step switching line finders are connected to the (A) Calling subscriber. (B) Switching network. (C) Called subscriber. (
Cache Misses Compulsory misses - it is caused by initial access to a block that has never been in the cache (also called cold start misses Capacity miss - it is cause
What are coupling and cohesion and why are they important concepts in software design?
Efficiency The effectiveness of pipeline can be measured the same as the ratio of busy time span to total time span counting the idle time. Let c be clock period of a pipeline
What are SPA/GPA parameters (SAP memory) SPA/GPA parameters are field values saved globally in memory. There are two ways to use SPA/GPA parmeters: By setting field attrib
what is physical data structure in internals of rdbms?
Demonstrate how a typical DMA controller can be interfaced to an 8086/8085 based maximum mode system. For 8088 in maximum mode: The RQ/GT0 and RQ/GT1 pins are used to is
What is software interrupt? A software interrupt is initiated by implementing an instruction. Software interrupt is a special call instruction that behaves like an interrupt
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