Utility Software
Keeps your system secure (organises storage disks & maintains system)
Defragmentation software
- Searched disk for related items
- Reorganises them
- Positions them physically next to one another
Backup software
- A copy of some data is made
- Stores it elsewhere
Why is backing up data vital?
When there is a data loss, it can be recovered
Types of Backup software
- Full Backup
- Incremental Backup
Full Backup
Software makes a copy of all files on the system
Incremental Backup
Software only backs up the files that have changed since the last backup
Virus
Small programs which aim to cause active harm to a computer system
Anti-Virus software
- Dedicated to finding and destroying these files
- Files have to be up to date for software to be effective
Spyware
Spy on the user and send back as much info about them to hacker (usernames, passwords visited websites)
A common piece of spyware
Key logger (records every key you press)
Anti-spyware software
Dedicated to finding and destroying spyware files
Auto update utility
- Software feature
- Checks for updates and installs updates for software
- Without user having to manually search for updates
Auto update utility functions
- Check if a newer version’s available
- Downloads the latest versions
- Apply’s security patches (Secure)
- Bug fixes
File repair
- When data becomes corrupted
- Due to a system error (shutdown) or malware
Name a limitation of File repair
Cannot always fully restore a file as some data may be permanently lost
(FR) Computer systems attempt to…
Repair corrupt/damaged files
(FR) Files are backed up…
Regularly
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1. CPU components24
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2. Memory and Storage16
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3. Binary and Hexadecimal8
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4. Data representation: Images and Sound20
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5. Compression types4
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6. Character sets4
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7. Networks27
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8. Wired and Wireless - Modes of connection8
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9. DNS & Cloud storage12
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Logic Gates6
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Embedded Systems6
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Computational Models (S,P,M-A)10
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Operating Systems18
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Utility Software18
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High, Low Level Languages & Translators24
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Encryption10
