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A black hat hacker attempts to find security holes in a system to prevent future hacking.

A network operating system is a multiuser operating system that controls the network’s software and hardware. 

________ display the text of the audio in a video.

USB ports can be used to charge peripheral devices.

VoIP uses the Internet to transmit calls instead of phone lines or cellular towers.

The type of folder structure created by Windows is known as a ________.

All user interfaces are designed to allow the users to control their computers. 

The free online storage provided by Microsoft is called ________.

The ________ software makes the computer run. 

The iPhone, iPad, and iPod touch use the ________ operating system.