Packet switching allows a telephone user to dial a number to establish and maintain a private telephone connection.

Routers make up the backbone of the Internet

Indicate whether the statement is true or false

When you have frozen rows and columns, what happens when you press the Ctrl+Home combination?

A) The first unfrozen cell becomes the active cell. B) Column A and whatever row was active when you pressed the combination becomes the active cell. C) Row 1 and whatever column was active when you pressed the combination becomes the active cell. D) A1 becomes the active cell.