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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.
A process is a chronological program in execution. The constituents of a process are the following: • The object program to be executed ( described the program text in UNIX) • Th
Desktop computer: Desktop computer is popularly known as personal computer (PC). As the name suggest, it is generally small in size and fitted on the top of a desk which can b
The instructions of the logic functions are: and not, or and xor. These act on the bits of their operators. To make sure the result of the operations we revolve to the cmp and test
Question 1 What is data mining? What are the major issues in data mining? Explain 2 What is meant by data reduction? Explain any three techniques of data reduction 3 Define a b
Printers: Printers: Printers exist in a variety of forms: Line Printers: These have been widely used for many years in large computer installations. They are design
They are used to reduce or enlarge the content of the counters. DEC INC DEC INSTRUCTION Idea: To diminish the operator. Syntax: DEC destiny This action subtracts 1 from the destiny
Necessary Nurses Records The software should generate all registers/reports in detail summary for various permutations and combinations of options. A powerful SQL (Structure
what is the logic diagram for the Boolean expression x''y + xy'' + xz
describe the two fundament purpose of surveying
Impact Printers and non - Impact Printers: Impact Printers: These are printers in which the print-head strikes a ribbon, and include the daisywheel and thimble printer
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