This is another way to interact with your computer. Most mice have buttons, a right and a left buttonj and a scrolling wheel. This applies to ‘desktop’ computers, and not a ‘laptop’ computer. A laptop computer is simply a more compact version of a desktop, designed to be able to be carried around from place to place (e.g., to class or to a coffee shop)
The keyboard is one of the two ways to interact with your computer. The keys should mostly mimic a traditional typewriter. Nowadays, there are ususally more forms in which a typewriter comes in.
Computer Processing Unit (CPU) : The tower houses the machinery that allows your computer to work. Think of this as the ‘brains’ of the computer. The CPU can also be upgraded, inrespective of the chipsets involved.
The monitor looks like a television screen and where you see what is screen and where you see what is happening on your computer. By using shadows and graphics with over a million different colors, much of what you see will appear 3-dimensional. Think of this as the ‘face’ of the computer.