Answer:
Hardware layer
Explanation:
The hardware layer's job is to maintain and put to action central processor units and memory. Hardware layer first check the availability of the for mentioned duo and then decides the need to put one or another into action. Physical and data link layers act the same in the hardware layer. They bot are waiting to be called in action
Answer:
A(n) videoconference allows people at two or more locations to interact via two-way video and audio transmissions simultaneously as well as share documents, data, computer displays, and whiteboards.
Answer:
the user cannot use a computer system without hardware and software
<span>When using Microsoft Word, the "Print Preview" presents the most accurate view of how the document will look when it is printed. When using "Print Preview" the entire page is displayed on screen, making it easier to see what adjustments should be made to the page layout, such as spacing or text size.</span>
