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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.
I need to write a narrative n overview of the diagram and an analysis of the actors
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4. Union City Al has decided to upgrade their tornado warning system. The city leaders have identified six potential locations for erecting a warning siren tower. They want to e
Question : (a) You want to perform the task of sending an e-mail message to three of your friends. You can assume that the email addresses, of the people you want to send the e
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QUESTION (a) Consider the graph below, use the Flow Decomposition technique to list the cycles and paths produced. (b) Pr
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