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LO2 (2.1 Types of software (Open source-Released under a (free) source…
LO2
2.1 Types of software
Open source-Released under a (free) source code-+it is free -harder to use as it is free and the person who made it might not update it.
Closes software-Under a license can be bought and changed-+regular security update - price is high and can still contain errors
off the shelf-can buy it from a shop or instant download it-+lots of user support -may not have what you want
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embedded software- software designed to control only one device and can only do one thing-+does one thing making it fast -can not upgrade it only buy a newer one
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2.4 types of os
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Single Processor:
This is when there is only one processor meaning it can only process one thing at a time.
Multi Processor
This is when there is 2 or more central processing units allowing it to process more than one thing at a time.
2.3 Utility software
antivirus software: it prevents, finds and deletes viruses or malware
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Backup software: This is used to
back up data so you can have a seperate file that will always be accessible in case you lose your data in the computer
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2.2 Application software
productivity software-used for producing info- examples;word processor, spreadsheet, database
development tools- used to create ,debug, maintain or support other programs and applications-Example;IDE, compiler, translator
business software used to perform various business functions-Examples;multimedia, CAD/CAM, healthcare
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