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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 designed for the rapid printing of a large amount of information. Till recently, they have had the disadvantage of being noisy, inflexible, and limited to low quality output. However, because they are extremely reliable, they have remained popular with computer departments and now manufacturers are producing quieter and more flexible models of line-printers.
Character Printers:
These are known as character printers because they print one character at a time. These are of two kinds: impact printers and non-impact printers.
Advantages of Computerized Record-keeping Less manpower is required for upkeep. Recording, storing, and retrieving are all much faster: easier and with little practice
how to set up the location (e.g. plaza, hall of fame, lecture theater or etc.) and services that will be used during the exhibition; devices needed; and finally produced a compreh
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The use of manage files very much facilitates the creation of files and programmer can focus on other aspects of the programming lacking worrying on details which can be handled by
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Coaxial Cables: Another metallic transmission medium which offers a large bandwidth, is the coaxial cable. Such cables consist of an outer protective shell made of copper tube
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Proposal a) Disabling Interrupts (Hardware Solution) • Every process disables all interrupts just after entering in its critical section and re-enables all interrupts just previous
Question 1 With an example, illustrate the concept of extern variable Question 2 What is the difference between pointer variable and simple variable? Question 3 Give the
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