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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
Logic manufactures have produced 'large scale' logic (LSI) blocks to achieve complex functions; a typical set of logic functions is that of data storage. There are two main types o
Explain Telephone hand set and it's working. A standard telephone set is consisted of a transmitter, electrical network and a receiver for equalization, connected circuitry to
Q. Describe about Digital Audio Tape? The most proper tape for backing up data from a disk today is Digital Audio Tape (DAT). It employs a 4mm tape covered in a cartridge. It e
An assembler is? Ans. An assembler is Machine dependant.
#what is nicol prism.its construction and working
What is an I/O buffer? What is the advantage of buffering? Is buffering always effective? Justify your answer with help of an example. One type of I/O requirement arises from
Q. Open System Interconnection Networking Model? An open system is a model which allows any two different systems to communicate regardless of their underlying architecture. Th
Distinguish among the functions islower() and tolower(). islower( ) and tolower( ): islower(c) is a character testing function described in ctype.h header file. This
Q. How to calculate Colour Depth? Colour Depth (or number of Colour Planes) is number of bits assigned to every pixel to code colour information in it. These are also known as
Q. What are inertial and non-inertial frame of references? (i) Inertial (or) unaccelerated frames: Bodies in this frame follow Newton's law of intertia as well as othe
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