Utility ProgramsAnother type of system software, beside the

operating system is the utility program. A utility program is any system beside the OS that assists in maintaining, managing and protecting computer system resources. In fact, an operating systems have developed, they have incorporated features that were originally found in separate utility program such as disk maintenance utilities. Utilities are used to merge and sort set of data, keep track of computer job being run and perform other important routine tasks.

The following are common utilities that protect computer systems and keep them running smoothly

Defragmentation and disk utilities- Maintain files on disk and arrange them in a manner that allows for fast access.

Back up utilities – Safeguard files by creating backup copies.

Security software – Search for and remove viruses and spyware from computers, and guard against attacks; must be upgraded frequently.

Spam and pop-up blockers- save users time by eliminating unwanted junk mail and ads.

• Windows cleaners –Remove unwanted programs and leftover traces of programs from the system, and maintain the Windows Registry for smoother OS operation

• File Management utilities – Provide tools for copying, deleting, renaming and organizing files.

• File Compression utilities – Allows files to be bundled together into one compressed file to save storage space and allow for easier transfer

• CD/DVD Burners – Copy and store file on CDs and DVDs.

• File transfer utilities – Move and share files across networks.

• Search utilities – Find files.

Word Processing SoftwareWord processing is perhaps the most highly used application software for individuals. Word processing software allows users to create formatted text documents varying in complexity from simple to-do lists to professional magazine layouts. Microsoft Word is the most popular word-processing program and is available for both PCs and Macintosh computers. Apple Pages, Corel WordPerfect, Lotus WordPro and Sun Microsystems Write are another examples of word processor. Google Docs and Zoho Writer are free Web-based work processor. Write from Open Office.org provides an open-source word processing software option.

Spreadsheet Software

• Spreadsheet software like Microsoft Excel, Apple Numbers and Correl Quattro Pro, supports complicated numerical analysis and calculation and allows users to perform “what if” analysis on financial and other numeric data. A spreadsheet contain rows that numbered and columns that are lettered. Cell D10 for example, is found in row10 and column D

Presentation Software

Presentation Software supports formal presentations by providing “slides” that can be used to accompany and embellish a live presentation or to present the material without the use of a human speaker. Presentation software is almost essential for transmitting information to professional groups and audiences that can vary from a few people to thousand.

Database-Management Software

Database –management software is used to store, manipulate and manage data in order to find and present useful information. Database can be used to store large tables of information . For example, company can create and store tables that contain customer information, inventory information, employee information and much more.

Mobile Software Packages

Tablet and handheld PCs are typically sold with software already installed that takes advantage of the device’s unique features. For example, handhelds PCs come with PIM software, since is the most popular software used on handhelds. They also typically include “light” versions of word processing and spreadsheet software, a note-taking program from jotting quick notes, a calculator, a photo viewer and media player.