Software
Date Submitted: 10/19/2004 13:59:23
Category: / Science & Technology / Computers and Cybernetics
Length: 3 pages (815 words)
Category: / Science & Technology / Computers and Cybernetics
Length: 3 pages (815 words)
Software may be defined as that part of a computer system that cannot be physically touched, unlike hardware. Software may be divided into two major branches:
1)System software. This includes three divisions
(a)Operating systems - An operating system is a piece of software that controls the computer's hardware and software.
(b)Utilities - These are (usually) small programs that perform one or few special tasks (e.g. "file management" - in windows this performed …
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…a RDB you have two tables. Data may be easily extracted and displayed from both of these tables into one final form (a report) N.B. You van tell the database exactly which items of data to extract from the tables (done with a "query") compared with flat form database where you are constrained to getting all the data from a card, not just the bits you want. Therefore are very flexible and very efficient.
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