1.5 Systems software 

All the videos for 1.5 Systems Software in one convenient video. See below for the individual topics.

In this lesson: What is an operating system, types of operating system, GUI, WIMP, command line interface, menu interface, voice activated interface, multitasking, practice questions 

In this lesson: What is an systems software, peripheral management, user management features, file management with examples, practice exam questions 

In this lesson: What is an utility software, encryption, disk defragmentation, data compression, practice questions