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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.
Spreadsheet Software : Consider the grid in Fig. 9.4. It is split into rows and columns and is a pictorial representation of a typical spreadsheet program. Figure: Spr
if statement with explanation
AsBased on Chapter Review Problems from the book. 1 #1. What is meant by data independence? Explain your answer. #2. Identify two benefits of separating application software fr
Need of operating system: What kind of facilities operating system provides to the users and programs: The operating system provides interfaces for the user (keyboard, m
Computer Processing: Most of the earliest computer memories have been based on physical elements which can exist in just one of the two states (on or off): such an element cor
Round robin (RR) is one of the simplest, oldest, fairest and most extensively used algorithms. • In the round robin scheduling, processes are posted in a FIFO manner but are given
#to determine whether given year is leap year or not
Analog Transmission: In analog transmission, there is a continuous up and down pattern. For example, one wave constitutes one cycle, which is measured in the unit called Hertz
what is CAI? explain its pit falls.
Syntax: Syntax provides the structure and how to formulate the phrase or sentence w.r.t grammar of the language. It tells us about which composition is allowed from the charac
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