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1.1. Software is a set of instructions that tells the computer what tasks to perform and how to perform them.



2.1.1. Application software consists of programs designed to make users more productive and / or assist with personal tasks.

2.2. TYPES

2.2.1. Web browser Allows user to access and interact with software from any computer or device that is connected to the Internet Proprietary Software Open Source Software

2.2.2. Word processing Allows users to create and manipulate documents Proprietary Software Open Source Software

2.2.3. Spreadsheet Allows users to organize data in rows and columns and perform calculations Proprietary Software Open Source Software

2.2.4. Database Allows users to create, access and manage a database Proprietary Software Open Source Software

2.2.5. Presentation Allows users to create visual aids for presentations to communicate ideas, messages, and other information to a group Proprietary Software Open Source Software



3.1.1. DEFINITION A set of programs containing instructions that work together to coordinate all the activities among computer hardware resources.

3.1.2. TYPES Stand Alone Operating System A complete opreating system that works on a desktop computer, notebook computer, or mobile computing device Server Operating System An operating system that is designed to support a network Embedded / Mobile Operating System An embedded operating system resides on a ROM chip on a mobile device or consumer electronic device

3.1.3. FUNCTIONS Start and shut down computer Provide a user interface Manage program Manage memory Coordinate tasks Configure device Establish an Internet connection Monitor performance Provide utilities Automatically update Control a network Administer security


3.2.1. DEFINITION A type of system software that allows a user to perform maintenance-type task.

3.2.2. TYPES File Manager To provide routine file management tasks Disk Cleanup Searches and removes unnecessary files Compression Tools To shrinks the size of a file/s Anti-Virus Program To protects a computer against viruses by identifying and removing any computer viruses found in memory, on storage media or incoming files Spyware Remover To detects and deletes spyware Disk Defragmenter To reorganizes the files and unused space on computer hard disk so that the OS accesses data more quickly and programs run faster Backup and Restore A backup utility allows user to copy files to another storage medium in case of damage or lost A restore utility reverses the process and returns backed up files to their original form Proprietary Software Open Source Software