Input Devices Commonly Used

Keyboard:

The computer keyboard is very similar to that of a conventional typewriter, except that it has some additional keys to perform certain special functions.The keyboard is designed for entering text, such as alphabetic and numeric data, and commands, either in writing, using keyboard characters, or by specialized function keys.When you press each key generates a special code that is interpreted by the processing unit and allows the formation of coding sequences with specific meanings and functions to the work you want done.

The keyboard can be divided into the following key groups:

 

Keyboard functions:They are located along the top of the keyboard. Can be used individually or in conjunction with other keys.

Keypad:It is located on the right side of the keyboard, similar to a calculator to facilitate the rapid entry of numerical data. At its core are the digits 0 to 9, and sides of these special characters as signs (,-,*) and others, like Num Lock and Enter.

Cursor Control:Group keys with arrows indicating the direction in which advances the cursor on the screen up, down, left or right.

 Mouse

Takes its name from its resemblance to this animal. It is a device consisting of a small container with a ball on the inside that looks on the bottom and manipulated moving along a surface which is usually a rectangular piece of rubbery material covered in soft fabric, called mouse pad, pad, or pad.

Mouse Management

when done, the object is shaded, indicating it has been selected for an operation or process.
Point and click:Place your mouse over different parts of the screen and click once with the left button, or place on objects, and icons of the screen, and clicking are the operations to identify and select, or point and click; Double Click:Is to perform the same operation before, but now is double-clicked for the object. The double click is to press, release quickly, press again and quickly release the button, in a sequence of two.

Point & Drag:This function is very important for functions such as moving window, expand or downsize, or move text, graphics and other objects used in different program. You can submit as agile and quick operations like copying files from one folder to another or from one unit to another, and print a document, drag them from the folder where the icon representing the printer.