Programs and features utility o When you add a new program wizard runs If it

Programs and features utility o when you add a new

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Programs and features utility o When you add a new program, wizard runs. If it doesn’t go to the programs and features utility found in the programs folder in the control panel o To delete program use the uninstall option, if not you might miss a lot of other files File compression utilities: program that takes out redundancies in a file to reduce the file size o Windows built-in compression (zip) o Most compression programs look for repeated patterns of letters and replace them with a shorter placeholder o Placeholders are cataloged and stored temp. in a file called the dictionary o Can reduce by 50% + depending on the file – PDF already compressed, some graphics and audio formats have been reduced b permanently discarding data o Decompress the file to restore it to its original state System maintenance utilities
o Disk cleanup: windows utility that cleans, removes unnecessary files from your hard drive (accumulated files in bin, temporary files, temporary internet file – you check off which type of files you would like to delete o Disk defragmenter regroups related pieces of files on the hard drive, allowing the OS to work more efficiently – Macs don’t have this option, but you can use iDefrag which is an external program o Error-checking: windows utility that checks for lost files and fragments as well as physical errors on your hard drive (files are lost when you save, resave, move, delete, and copy files) – can recover data but usually deletes the files that are unnecessarily taking up space o Sometimes system gets confused leaving references on the file allocation table to files that no longer exist or have been moved o Physical errors: mechanism that reads the hard drives data can no longer determine whether the area holds a 1 or 0 (called bad sectors) o Use task manager utility if a program has stopped working to check the program or to exit it System restore and backup utilities o System restore: utility that lets you roll your system settings back to a specific date when everything was working properly (latest versions of windows) o System restore point: snapshot of your entire system’s setting (made every week), you can also create it manually o Every time you start your comp. or install a new application or driver, windows creates a system restore point – good idea to create before making changes to your computer o Windows backup and restore utility: create a duplicate copy of all the data on your hard drive and copy it to another storage device – Mac OS X Snow leopard (time machine automatically backs up your files, time capsules) The task scheduler utility o Important to run some of these utilities on a routine basis – many ppl forget o Windows task scheduler utility: schedules task to run automatically at pre-determined times with no additional action necessary on your part Accessibility utilities: windows includes an Ease of Access center (centralized location for assistive technology and tools to adjust accessibility settings) o

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