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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.
In C++ terminology, all public methods in Java are virtual. Thus, all Java methods can be overwritten in subclasses except those that are declared final, private and static.
Explain how a shift register can be used as a ring counter giving the wave forms at the output of the flipflops. Ans: Shift Register as a Ring Counter: A Ring Counter is a
The micro-instruction cycle can comprises two basic cycles: the fetch and execute. Here in the fetch cycle address of micro-instruction is produced and this micro-instruction is pu
Name various work processes of R/3 system? A) Dialog or Online (processes only one request at a time). B) Background (Started at a specific time) C) Update (primary or se
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Illustrate the Encryption and Decryption methods One of the best method of ensuring security is to change the form of communication. Let the messages be encoded in such a patte
Described virtual memory Ans: Data is to be stored in physical memory locations that have addresses different from those that specified by the program. The memory control circu
Q. What is Microcomputers? Microcomputers have become a common part of everyday life. The cost ranging from a few hundred to about ten thousand dollars, today's 16- and 32-bi
Q. Illustrate Arithmetic shifts with example? Arithmetic shifts ARITHMETIC SHIFT LEFT and ARITHMETIC SHIFT RIGHT are same as LOGICAL SHIFT LEFT and LOGICAL SHIFT RIGHTexcept th
Q. Concurrently read concurrently write? It is one of the models derived from PRAM. In this model the processors access the memory locations simultaneously for reading and writ
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