Page 71 - Computer - 9(A&B)

 Backup Utility Software: The word backup means a reserve or substitute. Backup utility software
keeps a duplicate copy of our files on any external storage device.

 Disk Defragmentation Utility Software: Fragmentation occurs when a fi le is broken up into pieces
while it gets saved on the hard disk. Disk defragmentation utility software is like cleaning agent of our
computer. It picks up all the pieces of a fi le that are spread across our hard drive and puts them back
together again at one place, making the computer run faster.

Application Software
Application software helps us to carry out a specifi c task.

 Word Processing Software: These are used to
type, edit and format text. For example, Microsoft
Word, WordPad, Writer, Google Docs, iWork Microsoft Google iWork LibreOffice
Pages, etc.
Word Docs Pages Writer

 Spreadsheet Software: These are used to enter and
maintain numbers, and solve complex calculations.
For example, Microsoft Excel, Calc, Google Sheets,
Microsoft LibreOffice Google iWork iWork Numbers, etc.
Excel Calc Sheets Numbers

 Photo Editing Software: These are used to create,
edit and manipulate images. For example, Adobe
Photoshop, Picasa, etc.

Photoshop Picasa

 Presentation Software: These are used to
create presentations. For example, Microsoft
Microsoft Google LibreOffice iWork PowerPoint, Impress, Google Slides, iWork
PowerPoint Slides Impress Keynote Keynote, etc.

 Library Management Software: This software is used to manage records of books (entry, issue, return) in
a library of a school or college.
 Bill Generating Software: Billing software handles the sale and purchase of products sold to customers in
restaurants, departmental stores, hospitals, etc.

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