Answer:
A. Personal information manager.
B. Web-based.
C. Project management.
D. Proprietary.
E. Open source.
Explanation:
A software can be defined as a set of executable instructions (codes) or collection of data that is used typically to instruct a computer how to perform a specific task and to solve a particular problem.
Simply stated, it is a computer program or application that comprises of sets of code for performing specific tasks on the system.
Basically, softwares are categorized into the following categories;
A. Personal information manager: software used to keep track of appointments. It can be used to schedule and manage schedules easily.
B. Web-based: software that is hosted on a website. It works based on cloud computing services and as such requires the use of internet for use at all times.
C. Project management: software used to track tasks and coordinate resources.
D. Proprietary: software which must be purchased. It also known as a closed-source software and can be defined as any software application or program that has its source code copyrighted and as such cannot be used, modified or distributed without authorization from the software developer. Thus, it is typically published as a commercial software that may be sold, licensed or leased by the software developer (vendor) to the end users with terms and conditions.
Some examples of proprietary software are Microsoft Windows, macOS, Adobe photoshop etc.
E. Open source: software code that is freely available. It is typically published as a free software that may be downloaded on various platforms by the end users.
