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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
CISC (Complex Instruction Set Computer) CISC stands for Complex Instruction Set Computer. If the control unit having a number of micro-electronic circuitry to make a set of con
Discuss in detail about Micro computer A microcomputer's CPU is a microprocessor. The microcomputer was originated in late 1970s. The first microcomputer was built around 8-bit
Explain importance of the different types of distributing frames used in exchanges. Here MDF = main distribution frame; MF = main feeder; FP = feeder point; BF = branch f
Suppose you work in a network security company, and you need to prepare a survey report of a particular security issue of wireless networking. To start with, select an area of wire
why impotant keys
Q. What do you mean by Software Poll? In this scheme on occurrence of an interrupt, processor jumps to an interrupt service program or routine whose job is to poll (roll call
An accessor is a class operation that does not change the state of an object in C++. The access or functions require to be declared as const operations
Explain the outsourcing barriers that an organization faces. 1. Critical operations that cannot be outsourced. 2. Negative customer reaction. 3. Employee resistance. 4
Determine the features of keyboards Common features on general-purpose keyboards are cursor-control keys. Functions keys are used to enter frequently used operations in a singl
The logic circuit given below, converts a binary code y 1 y 2 y 3 into Ans. Gray code is X1 = Y1, X2 = Y1 XOR Y2 , X3 = Y1 XOR Y2 XOR Y3 For
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