Software

Control Applications

Used to make something happen in the physical world and automate control devices like motors.

Steps of Control Applications

1. Takes input from one or more sensors. 2. Makes a decision based on the input. 3. Outputs commands as a result.

Common Uses of Control Applications

Often used in engineering, vehicles, control systems, and home automation systems.

Project Management Software

Used to plan and track project tasks efficiently, ensuring effective use of resources.

Task Dependencies

Relationships between tasks where some cannot start until others are completed.

Functions of Project Management Software

Allocate tasks, track costs, arrange resource delivery, and schedule project tasks.

Communication Software

Provides remote access to systems and allows users to communicate via the internet.

Types of Communication Software

Includes web browsers, email software, social media apps, SMS/MMS apps, and instant messaging apps.

Web Browsers

Allow users to view web pages and access internet-based systems.

Email Software

Send and receive emails, manage contacts, and organize messages with filters and labels.

Social Media Apps

Enable online communication through platforms like Facebook and Instagram.

SMS Apps

Used for sending short text messages limited to 160 characters over a mobile network.

MMS Apps

Extend SMS capabilities to send longer messages with media like images and video.

Instant Messaging Apps

Require internet to send messages and can include typing indicators and location data.

Software License

A legal agreement detailing how software can be used, copied, or distributed.

Open Source Software

Source code is available allowing users to modify and share it; encourages collaboration.

Proprietary Software

Owned by a developer with restricted access to source code; requires following strict rules.

Free Software

Allows users to use, copy, and distribute it, but may not provide access to source code.

Freeware

A type of proprietary software that is free to use but restricts modification or resale.

Software Updates

Changes made to software to improve or fix issues, delivered via downloads.

Reasons for Software Updates

Fix bugs, improve security, add features, enhance performance, ensure compatibility, and improve usability.

Risks of Updating Software

Potential data loss and compatibility issues; important to back up data before updating.