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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.
#que1) Create telephone directory. • The heading should be 16-point Arial font in bold • The rest of the document should use 10-point font size • Other headings should use 10-point
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Python allows single (''), double (") and triple ('''''' or """) quotes to indicate string literals, as long as the similar type of quote starts and ends the string. The triple quo
Question 1 What do you mean by semantic networks? Explain inheritance in semantic networks Question 2 Explain Partitioned semantic networks with an example Question
QUESTION (a) Define z-transform of sequence x[n]. (b) A causal LTI system has impulse response h[n], for which the z-transform is H(z) = (1+z -1
Operating System (O.S) An operating system is the complete set of programs written to utilize the computer resources in an optimal manner. The operating system supervise
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