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Explain in detail about the Random Scan Display
This device using CRT directs the electron beam only to the parts of the screen where a picture is to be drawn. This kind of device draws only a line on the screen given by its two end points. That is why these devices are referred as vector displays (or calligraphic displays). In case of display device, it is not only an object which has to be drawn but it is also important to refresh it before it disappears in a given period of time depending on the persistence. No frame buffer exists for this kind of systems. When the object consists of too many lines, refreshing time might be longer than the persistence of the phosphor. This may lead to flickering of the picture on screen. In such systems, there may be a display processor that reads a display file. Display file consists of a sequence of graphics commands generated by the application program to refresh the screen.
Q. Explain rudimentary file formats? FTP only understands two rudimentary file formats. It classifies every file either as a text file or a binary file. A text file comprise a
Incidence Matrix: - This is the incidence matrix for an undirected group. For directed graphs, the vertex from where an edge is originating will have +1 and the vertex where the ed
Explain inter process communication
Q. Measure of speed in Page or line Printer? Measure of speed relies on whether the printer is a Page Printer or Line. Printer: Let's understand these: Line Printer:
What are the uses of Router? Router: A router is used to transfer or route data among two or more similar networks. This determines the next network point to that a data
Explain Host function Host function: accepts name of floating-point guest function with single floating-point argument as its first argument, evaluates this function at x (the
The number of control lines for 16 to 1 multiplexer is ? Ans. We have 16 = 2 4 , 4 Select lines are needed.
Define Apple MobileMe Calendar The MobileMe Calendar is a web-based calendar that can be accessed from any computer linked to the Internet, Mac or Windows. What makes it more u
explan volage triper and voltage quadrupler.
What is Random access memory (RAM) This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Befo
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