Answer:
<h2>The TCP/IP model consists of four layers: application, transport, internet, and network access. Of these four layers, it is the internet layer that is responsible for routing messages.</h2>
Answer: In JavaScript we have the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true. Use else to specify a block of code to be executed, if the same condition is false. Use else if to specify a new condition to test, if the first condition is false.
Explanation:
Answer:
The left button is used as the main clicking button that you use to select things and to double click. The right button is used to open contextual menus, which are pop-up menus that change depending where you click.