Answer: keeps confidential documents secure,
displays a GUI, allocates the computer's resources, and retrieves files
Explanation:
The operating system can be defined as the software installed in the system that provides the information and services to the users by controlling the hardware, software resources, and regulates the computer programs. It runs the applications and programs in the system, displays the graphic user interface for the services, stores, manipulates, and retrieves files. It prevents the unauthorized access to the data and programs by using passwords thus provides the security to the system and documents.
I think it’s C If wrong I’m sorry
Answer: True
Explanation:
The 20th century (1900s) saw an increase in the kind and variety of music available. This was down to many innovations in the musical industry in the 20th century such as multitrack recording that made music much more accessible and easier to produce.
With these innovations as well as the advent of the age of computers, musicians and composers were able to included synthesizers and electronics in their music as well as using computers such that new sounds enveloped the world from jazz to rock to jazz fusion.