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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. Environment of the Packet Flow? Protocol stack used on Internet is referred to as TCP/IP protocol stack. If we were to follow the path that message "Hello computer 5.6.7.8!"
What is semaphores? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wa
Rounding off of values can be carried out using the write statement. Yes, Rounding off value can be out by using the write statement.
Q. Describe the Horizontal Frequency or cycle? Horizontal Frequency: The time to scan one line connecting the right edge to left edge of the screen horizontally is known as t
An expert systems is software that contains a knowledge base of facts and relationships and has the ability to make inferences based on that knowledge base. An experts sys
types of lock
In what way the protection fault handler concludes? After finishing the implementation of the fault handler, it sets the change and protection bits and clears the copy on write
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
What are the essential components of a 3-tier client server In a three-tier or multi-tier environment, the client executes the presentation logic (the client). The business log
how to become an ict enginer
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