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Software (Operating systems (Role of the operating system (To manage…
Software
Operating systems
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Multitasking
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For example, having google and spotify open at the same time
A device driver is a small piece of software that tells the OS how to interact with a piece of hardware
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Proprietary software
Examples: Microsoft office, Firefox, Photoshop
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Disadvantages: You can't customise it, you have to have permission to use it and a license has to be paid to use it
Custom software
Disadvantages: Very expensive, one customer only pays the cost and it also takes a long time to make and deliver
Advantages: Meets the customer's needs, does exactly what you want, doesn't do more than you need so it means it's less complicated, it's also designed for the hardware that you've got
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Off the shelf software
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Advantages: Relatively cheap, very well supported.
Disadvantages: Doesn't do exactly what you need it to do, can do more than what you need it to do so more complicated
Disk fragmentation
Designed to increase access speed by rearranging files stored on a disk to occupy continuous storage locations
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Open source software
Advantages: Reliable, can edit the code and customise it, source code is also avalible
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