EPC3- Ex.No.1 How to Operate a Computer?

EXERCISE 1: HOW TO OPERATE A COMPUTER

                                            

                                                    Computer

A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.

Turning on a computer

The computer needs to be turned on first. To do this, locate the power button and press it. The power button on every computer is located differently, yet it always bears the same symbol.

 Once computer turned on,it may be ready to use, or it may require you to log in. This means identifying yourself by typing your user name or selecting your profile, then typing your password. If you've never logged in to your computer before, you may need to create an account.

The keyboard and mouse

You interact with a computer mainly by using the keyboard and mouse, or a trackpad on laptops. Learning to use these devices is essential to learning to use a computer. Most people find it comfortable to place the keyboard on the desk directly in front of them and the mouse to one side of the keyboard.

The mouse controls the pointer on the screen. Whenever you move the mouse across the desk, the pointer will move in a similar manner. A mouse usually has two buttons, which are referred to as the left button and the right button. You will often interact with the computer by moving the mouse pointer over something on the computer screen, then clicking one of the buttons.

On laptops, the trackpad—which is situated beneath the keyboard—can be used in place of a mouse. To move the cursor on the screen, just drag your finger across the trackpad. In cases where a trackpad lacks buttons, clicking is accomplished by pressing or tapping the trackpad.

Using a computer

The main screen you'll start from is the desktop. This is sort of like a main menu or a table of contents. From here, you can access the programs and features you need to use your computer.

Icons are used to represent the different files, applications, and commands on your computer. An icon is a small image that's intended to give you an idea at a glance of what it represents, like a logo. Double-clicking an icon on the desktop will open that application or file.

Menus are organized collections of commands and shortcuts. Click a menu to open it and display the commands and shortcuts within. Then click an item in the menu to execute it.

An application or folder appears in its own window when you open it. A window is a confined space with buttons and menus unique to that software, resembling an image inside a picture. On the desktop, you can reorganize and switch between numerous windows.

Switching off a computer

As soon as your task is done, you should shut down or switch off the computer. Switching off the computer is a sustainable choice that enhances performance and prolongs its life. A computer can be turned off by selecting the Shutdown option from the Start button.