Although this software is mainly used to increase system security. By protecting from malware you can make sure that there is nothing using your CPU or RAM other than what you are doing at the time. This is because some virus can cause these problems:
- Playing with settings - Some virus may edit your original settings making it hard for you to use, but also perhaps make some programs run without you knowing, and therefore using the CPU and RAM.
- Malware is software - Malware is software and therefore it runs on your RAM, because of this the malware is using up RAM rather than leaving it for other useful jobs. A virus may also be designed to deliberately use large amounts of RAM.
For these reasons you should always hold some kind of antivirus software, this will ensure that nothing thats unwanted will take your RAM.
Firewalls however have an added feature, they control the connections between your computer by the use of ports, it will keep most closed and only open the ones you require. not just will this protect you from any unwanted hackers it can keep the connections on your PC to the bare minimum, connections cost RAM and therefore less will mean more speed.
Space Management Utilities
Utilities that can also increase speed is Defragmentation and utilities such as Disk Clean-up, these will not only increase hard drive space but will also increase computer speed. for example the computer will spend RAM to keep fragmented files "together", by permanently keeping these fragments together you will save the memory it takes to keep them together.
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