As I already said in my previous article that Input, An Instruction given to the computer to do some work. Input Devices play the main role to operate computer. These devices play an important role to communicate with computer. The most important Input devices are as under:
These two devices are necessary to communicate with computer. Computer is useless without these devices.
What is Keyboard?
Keyboard plays an important role to communicate with computer system and it is the most important input device. Keyboard consists of 105 buttons and every button has its own function. Keyboard buttons are further divided in to 4 groups:
Alphabetic Keys:
Alphabetic keys are use to make different words, sentence etc. These keys consist of 26 button.
- Keyboard
- Mouse
These two devices are necessary to communicate with computer. Computer is useless without these devices.
What is Keyboard?
Keyboard plays an important role to communicate with computer system and it is the most important input device. Keyboard consists of 105 buttons and every button has its own function. Keyboard buttons are further divided in to 4 groups:
- Alphabetic Keys
- Numeric Keys
- Special Keys
- Function Keys
Alphabetic Keys:
Alphabetic keys are use to make different words, sentence etc. These keys consist of 26 button.
Numeric Keys:
These keys are use to solve all Arithmetic operation. These keys consist of 17 button. These keys are usually on the right side of the keyboard.
These keys are use to solve all Arithmetic operation. These keys consist of 17 button. These keys are usually on the right side of the keyboard.
Special Keys:
Mostly these keys are shortcuts and every special key have different function. I have made some special keys shortcuts and there action, see it below:
Function Keys:
These keys consist of 12 buttons and these keys do not do any operation by pressing these button. These keys need CTRL or ALT key to perform any action. These keys are located at the top of keyboard.
These keys consist of 12 buttons and these keys do not do any operation by pressing these button. These keys need CTRL or ALT key to perform any action. These keys are located at the top of keyboard.
What is Mouse?
Mouse is a pointing device and it is use to enter data by clicking. Mouse has only 3-4 buttons and each button have different functions. Mouse are divided in to three groups:
Laser Mouse:
In ball mouse ball is use, these mouse are not using at the moment, these mouse are mostly known as trackball.
Mouse is a pointing device and it is use to enter data by clicking. Mouse has only 3-4 buttons and each button have different functions. Mouse are divided in to three groups:
- Ball Mouse.
- Laser Mouse
Laser Mouse:
In ball mouse ball is use, these mouse are not using at the moment, these mouse are mostly known as trackball.
Laser Mouse:
In Laser Mouse Laser technology is use and these mouse are using at everywhere. These mouse’s are alternative to the mechanical mouse, which uses moving parts to perform the same function.
Mouse can perform the following functions:
Single Click:
Single Click is use to select the file, folder or icon, Single Click only select the icon.
Double Click:
Single Click is use to select as well as to open the file, folder or icon.
Drag And Drop:
This function is use to move icon from one place of desktop to another.
Any Confusion/Queries are in mind, feel free to ask.
In Laser Mouse Laser technology is use and these mouse are using at everywhere. These mouse’s are alternative to the mechanical mouse, which uses moving parts to perform the same function.
Mouse can perform the following functions:
- Single Click
- Double Click
- Drag And Drop
Single Click:
Single Click is use to select the file, folder or icon, Single Click only select the icon.
Double Click:
Single Click is use to select as well as to open the file, folder or icon.
Drag And Drop:
This function is use to move icon from one place of desktop to another.
Any Confusion/Queries are in mind, feel free to ask.
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