When you friend someone on a social networking site, it usually means you give them access to content that you have restricted to “friends only” privacy settings. So:
- (A) is wrong because friends typically see more than strangers.
- (B) is correct because they can see all content you’ve shared privately with friends.
- (C) is wrong because friends see more than just your picture.
- (D) is wrong because (A) and (C) are both incorrect.
The operating system is also called the interface between the user and the computer
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The Operating System is the Interface between the user and the computer.
It is called the Interface because it converts the commands the user gives to a language that the computer can understand (machine language) and vice versa.
Multiple operating systems are available such as Windows, Mac OS, and Linux.
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virus protection is not the function of the operating system
Real-time system operating system reads and reacts in actual time
Audio and visuals on screen are called audio-visual (AV) or multimedia content.
The term "audio-visual" refers to content that combines both a sound component and a visual component, such as films, television, and online videos. "Multimedia" is a similar concept that includes audio and video as key components, along with other content like text and images
