Software

Software

1. What is a software?

   • Software or program are sets of instructions which hardware follows in order to perform specific tasks by processing data the user gives and transforming it to the output he or she wants

2. Operating Systems (OS)

   • Operating Systems, also known as OS software are responsible for managing and controlling all computer's hardware. It is stored inside the computer' memory called RAM and it starts before you do tasks.
     • Common Operating Systems
       • The most common operating system is Microsoft Windows, which is found in many laptops and desktops. The next OS is Mac OS, which is based on Unix and created by the company Apple. Other OS are, Unix, which was developed in the 1970, Linux, one of the most used software and others.

3. Utility Software

   • They are the basic software included with OS in order to perform maintain and managing actions to the computer
     • Disk Defragmentation: This program optimises hard disk performance by arranging files.
     • Backup programs: It is used to compress and backup important files.
     • System monitoring: It monitors system resources such as processor and memory usage and optimises them
     • Anti-Virus software: Its job is to detect and remove malicious software such as virus.
     • System updates: It updates the operating system to the latest version for better security and performance patches released by the creators.

4. Application software

   • This software allows the user to perform tasks to solve problems, such as creating documents, managing finances or editing images. It is also known as productivity software.
     • Word processing software: it allows the creation of typed documents such as letters, memos and business proposals.
     • Desktop Publishing Software: They allow the creations of booklets, brochures and magazines.
     • Database software: it is used to create, store, structure and sort a collection of data about items.
     • Editing software: This software are used to edit items like images, videos or even sound.

5. Software Licesnses

   • They are a group of copyright laws, which gives restrictions on how the software can be used, including the circunstances.
     • Commercial software: is software which is licensed or sold for profit by companies.
     • Shareware: is software which is distributed for no cost and free for a limited period.
     • Freeware: is a software that can be distributed for no cos, but its copyright is still maintained by the creator.

6. Cloud computing

   • It is a relatively new phenomenon in computing which takes a different approach to storage and availability of software and data. It consists of storing everything in a network server on the Internet.

7. User Interfaces

   • There are many types of interfaces like GUI, CLI, MDI which help people interact better with the computer instead of having to enter command or making everything easier. The keyboard with the windows is an example.

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