Utility program + driver program Thomas Wat 4D (21)

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Presentation transcript:

Utility program + driver program Thomas Wat 4D (21)

Functions of Utility program Protect data file Refine the computer system Manage computer resources

Task performing in Utility program Back up and restore file File management Virus protection Uninstall program Compress file Scanning disk Defragmenting disk System monitor

Backup utility Makes duplicate copy of selected file or entire hard disk(full backup)(larger storage size) Some backup utility can incorporate the last backup file and the changes of the program(incremental backup) Restore require full backup + incremental backup

Media for back up Hard disk Optical disk Magnetic tapes

Data recovery utility Recover data is accidentally deleted or corrupted from backup file or other source

File manager Enable to copy,delete and rename files Eg. Windows Explorer

Anti-virus software Detect and remove virus from computer system Prevent attack from virus Eg. NOD32

Program uninstaller Uninstall program

File compression Compress file(reduce storage size,data protection,group a number file in a file) Eg. WinRAR

Disk scanning program Used to detect and correct logical error in the hard disk or removable storage devices Reason to use this: Prevent data lost by saving the data in the bad sector

Disk defragmenter Used to reorganize all scattered data on hard disk and restore each file in a contiguous location Reason to use this: Increase the speed of data accessing by restore each file in a contiguous location

System monitoring software Tuning and monitoring the system performance and resources activities of CPU disk and memory

Driver program A small program that allows a specific peripheral device to communicate with a computer system Eg. Printer driver program

FINISH FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH! FINISH!