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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. Requirements of decision support system? a) Fast computation A decision maker is able to perform a large number of computations very quickly and that too at a low cost
Define Memory read and write operation The transfer of information from a memory word to outside environment is known as read operation. The transfer of new information to be k
Subscript refers to the array of occurrence, whereas Index shown an occurrence of a table element. An index can only modified using perform, search & set. Require to have an index
In this portion you would see how to put tables in your web documents. It isn't that a table is simply a combination of rows and columns. If you have ever seen any table in an attr
explain the various types of computer systems
What is the advantage of wrapping database calls into MTS transactions? Ans) If database calls are made within the context of a transaction, aborting the transaction will undo a
Explain the term Electronic Data Interchange (EDI). Electronic Data Interchange (EDI) may be generally easy to understand as the replacement of paper-based purchase orders alon
System Analysis & Design 1. Describe attributes, properties, and characteristics of system. 2. What do you mean by Organizational Aspects of System Life Cycles? Explain.
Explain the meaning of ACCEPT socket primitive. The Accept Primitive: A server which uses connection-oriented transport should call procedure accepts to accept
What is branch instruction? As a result of branch instruction is a type of instruction which loads a latest values into the program counter.
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