Twitter because it is a social media app
Safety critical software is directly affecting life critical systems in mass transit, air traffic control, nuclear reactors, missile systems, medical treatment systems. Safety-critical software system is a computer system whose failure or malfunction may severely harm people's lives, environment or equipment.
That would be a network my friend. When two or more computers are connected to one another, you have a network.
D is the answer to the question
<span>
The statement that when you create a new workbook from a template, an unnamed copy of the template opens is true.
</span><span>If you want to open the workbook that you want to use as a template you should click the Microsoft Office Button , and then click Save As.</span><span>In the File name box, you should type the name that you want to use for the template.</span>