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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.
Optimal Page Replacement Algorithm The optimal page replacement algorithm that as well known as OPT is an algorithm which works as follows: while a page needs to be swapped in,
Program counter and Stack pointer all have 16 bits.
Q. Drawback of indirect addressing? • Drawback of this scheme is that it needs two memory references to fetch actual operand. First memory reference is to fetch the actual addr
You can't plan only for the present phase of the project as your future activities are still coarse granular. To have good planning you require to have fine granularity w.r.t the t
What are the Counters? 1. The Counter is a sequential circuit which consists of a set of flip flops connected in a appropriate manner to count the sequence of input pulses.
Explain about the passive graphics device A passive graphics device simply draws pictures under computer control; i.e. it allows the computer to communicate graphically with th
Explain Classification Based On Grain Size This categorization is based on distinguishing the parallelism in a program to be executed on a multiprocessor system. The concept is
Hazard in pipeline - computer architecture: A hazard in pipeline .-removing a hazard frequently need that some instructions in the pipeline to be permitted to proceed as othe
Define the Products of Dynamic mode Dynamic model: A model of dynamic behaviour of user object. It defines important states of user object, the way that actions depend on
What is Open Database Connectivity (ODBC) It happens that in addition to conventional or most popular database management systems, many companies go for proprietary software c
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