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C5 (utility programs, 5 key management tasks, Why a computer needs an…
C5
utility programs
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Hard disk formatter
Helps the operating system to know how to store files and where the files will be stored on the hard disks
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File compression
Save storage space and make it quicker to download/ upload files and quicker to send files via email
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5 key management tasks
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File management
Define file names, Perform specific task, maintain directory structures
Security management
ensure the integrity, confidentiality and availability of data
Memory management
Memory organisation
Determines how much memory is allocated to an application and how the memory can be split up in the most appropriate or efficient manner
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Memory optimisation
Determine how computer memory is allocated and deallocated when a number of applications are running simultaneously
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Program libraries
Used when
Software is under development and the programmer can utilise pre-written subroutines in their own programs, thus saving considerable development time
To help a software developer who wishes to use dynamic link library subroutines in their own program, so these subroutines must be available at rune time