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Q. What is Shadow Mask?
Shadow Mask is a metal sheet that has fine perforations (holes) in it and is situated a short distance before phosphor coated screen. The Phosphor dots and holes in shadow mask are so organised that beams from a particular gun will strike dots of that colour only. The dots of other two colours are in the shadow. In an attempt to overcome some flaws of Shadow masks because of their round holes, Sony presented Aperture grills (in their Trinitron technology) which are slots in an array of vertically arranged wires.
Figure: Shadow Mask and Aperture
Illustrate functional diagram of digital multiplexer . Write the scheme of a 4- input multiplexer using basic gates (AND/OR/NOT) and explain its operation. Ans: Multiple
What is the difference among super class and subclass in programming? Ans) A super class is a class that is inherited in programming while the sub class is a class that does th
Q. Explain about Micro-instruction Formats? Now let's focus on format of a micro-instruction. The two widely used formats employed for micro-instructions are vertical and horiz
decode the code
What is Virtual memory The term virtual memory signifies something that appears to be present though actually it is not. Virtual memory technique enables users to use more mem
The main I/O used by micro controllers are the parallel ports , the 68HC11F1 has seven 8 bit ports namely Port A,B,C,D,E,F and G . The use of ports depends on the mode configurati
Append query can be used if you would like to add new rows of data to an already active table. The process of making an append query follows these steps they are. ? Basic step
What is fan-out? Estimate the average count of every "many" association encountered with the path. Multiply the individual fan-outs who obtain the fan-out of the whole path, wh
Elucidate in brief the functions of the clock generator chip, 8284. 8284 Clock generator: 8284 is an ancillary component to the microprocessors. Without clock generator, many
Q. MICRO-PROGRAMMED CONTROL? A substitute to a hardwired control unit is a micro-programmed control unit in which logic of the control unit is specified by a micro-program. A m
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