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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
What are the functions of virtual file system (VFS)? a. It splits file-system-generic operations from their implementation explaining a clean VFS interface. It allows transpare
Q.What is Canonical and Standard Forms? An algebraic expression can express in two forms: i) Sum of Products (SOP) for example (A . B¯) + (A¯ . B¯) ii) Produ
Q. Diffrence between CD-R vs CD RW? A CD-R disc looks same as a CD. Though all pressed CDs are silver, CD-R discs are gold or silver on their label side and a deep cyan or gree
Synchronous dynamic random access memory (SDRAM) is dynamic random access memory (DRAM) that is initialized with the system bus. Classic DRAM has an asynchronous interface, which m
It is possible to enter one or more criteria in the rows which can influence your database significantly. >="Callahan" this returns all the several records from Callahan to the
Explain Deadlock in operating system ? Deadlock: all process in a set of processes is waiting for an event which only a process in the set can cause.
Q. For function F(x,y,z) = ∑m(0,1,2,6,7) using TRUTH TABLE only. 1. Find SOP expression 2. Implement this simplified expression using two level AND-to-OR gate network 3. I
Explain segmentation? Segment memory addressing divides memory into many segments. Each of these segments can be considered as a linear memory space. Every one of these segmen
What is the advantage of buffering? Is buffering always effective? Justify your answer with help of an example. I/O buffer: One type of input-output requirement arises from d
Http Hyper Text Transfer Protocol: The WWW protocol that performs the request and regain functions of a server. Generally seen as the first part of a website address. It is t
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