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Output Devices
Video Display Unit (VDU) or Monitor
Video Display Unit is similar to a television. It is used to display the results of processes. The screen is illuminated by a number of dots known as pixels. The number of dots per unit area is called resolution. The higher the resolution, the better will be the quality of the picture. A lighted symbol in a form of a line or rectangle visible on the screen known as Cursor, to indicate the position for typing a command. If any keys are pressed, it moves along the alphabet typed. A typical Video Display Unit screen can accommodate 25 lines, each line consisting of 80 characters.
Printers
There are various kinds of printers. They are basically divided into two categories:
Impact printers and Non-impact printers.
Each Many to Many relationship type maps into the Table. The primary key of this relevant is the combination of the primary keys of the participating entity types. These are also c
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Transaction-based model: Here, the pricing is based on providing a committed business service, for ex, processing payroll for a global company as part of HR offering and this
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Running more than a few threads is like running several different programs at the same time as, but with the following profits: • Multiple threads inside a process share the same d
3. Discuss the objectives of Query Processing.
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