Week9 chapter 02_2.6.1.2_up_2016
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Transcript of Week9 chapter 02_2.6.1.2_up_2016
At the end of this topic, studentsshould be able to:
a)b)
Identify types of utility programsExplain the functions of utility programs
1
Chapter Two
Computer System2.6.1 System Software
2.6.1.2 Utility Program
Utility Programs
• A utility program is a type of system software thatallows a user to perform maintenance-type tasks
Page 421
Figure 8-272Discovering Computers : Chapter 8
Utility Programs
Types of Utility Program1.
2.3.4.5.6.7.
File Manager
Disk Cleanup Compression Tools Anti-Virus Program Spyware Remover Disk DefragmenterBackup and Restore
3Discovering Computers : Chapter 8
, moving, and sorting files and folders
1. File Manager
• To provide routine filemanagement tasks :----
Displaying a list of filesOrganizing files in foldersCopying, renaming, deletingCreating shortcuts
• Example:WindowsWindows
Explorer,File Manager,
Page 422
Figure 8-284Discovering Computers : Chapter 8
2. Disk Cleanup
• A disk cleanup utility searches unnecessary files:
for and removes
-
---
Downloaded program files
Temporary Internet filesDeleted filesUnused program files
• Example:MicrosoftCCleaner
Disk Cleanup,
Page 423
Figure 8-315Discovering Computers : Chapter 8
3. Compression Tools
• To reduce the size of a file or storage
– Compressing files frees up room on the storage media- Compressed files sometimes are called
– Can be uncompressedzipped files
• Examples: WinZip, WinRAR, PKZIP
Page 427 6Discovering Computers : Chapter 8
4. Anti-virus Program
• Anti-virus program protects a computer against viruses byidentifying and removing any computer viruses foundmemory or storage
A virus describes a potentially damaging computer program that affects a computer negatively
in
•
• Example : Avira Antivirus,Norton Antivirus
Kaspersky Antivirus,
7Discovering Computers : Chapter 8
5. Spyware Remover
Spyware is a program placed on a computerwithout the user’s knowledge that secretly collects information about the user
• A spyware remover detects and deletes spywareand other similar programs
• Example : Spyware Doctor, Spyware Remover,Spybot, Spyware Blaster
Page 426 8Discovering Computers : Chapter 8
6. Disk Defragmenter
• A disk defragmenter reorganizes the files andunused space on a computer’s hard disk so that theoperating system accessesprograms run faster
data more quickly and
• Example : MyDefrag,
Contig, Defraggler
Pages 423 – 424
Figure 8-329Discovering Computers : Chapter 8
7. Backup and Restore Utility
• A backup utility allows users to copy files to another storage medium in case of damage or lossA restore utility reverses the process and returns backed up files to their original formExample :BackupPC,
•
•
Windows BackupRestore
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Figure 8-3310Discovering Computers : Chapter 8
Utility Program Proprietary Open Source
1. File manager
2. Disk Cleanup
3. Compression Tool
4. Anti-virus program
5. Spyware remover
6. Disk Defragmenter
7. Backup and Restore