The answer to this question is the letter "B" which is the HOME tab. When you click the home tab, you can find the different number format in such a way that you can also format the individual cell, it could be data of any other text.
Did u shut it down and then reset it????? Did you unplug your internet adapter????
Answer TCP/IP is the most common protocol in Local Area Networks.
ENIAC, in full Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, built during World War II by the United States. American physicist John Mauchly, American engineer J. Presper Eckert, Jr., and their colleagues at the Moore School of Electrical Engineering at the University of Pennsylvania led a government-funded project to build an all-electronic computer.
From Brittanica.com