Keyboard as an Input Device
Keyboard:- The keyboard is the most common and widely used input device.Using a keyboard for too long can lead to health problems such as repetitive strain injury (RSI).To try to overcome this, different styles of keyboard have been developed, for example, the ergonomic keyboard. They are supposed to put your hands into a much more natural position than a traditional keyboard.
Advantages:-
The advantages of keyboard are:
1. Keyboards have special key that preform specific functions. 2. Instead of using the mouse to move the cursor you can use the arrow key situated on the keyboard to move the cursor on the monitor. 3. Keyboardare less expensive because it comes with every computer.
4.People are used to using keyboards to enter data, they need very little training
5.Specialist keyboards are available e.g. ergonomic, gaming keyboards
Disadvantages:-
The disadvantages of keyboard are:
1. The person using the keyboard have to learn how to type.
2. The frequent movement from keyboard to move and back could cause carpal tunnel syndrome.
3.Excessive use can lead to health problems such as repetitive strain injury (R.S.I.)
4. Keyboards are not suitable for creating diagrams.
5. If you can't touch type, it can be time consuming to enter data.
Mouse:-
The Computer Mouse is considered an input device. With a click of a button , the mouse sends information to the computer , the computer mouse is an interesting device that offers an alternative way to interact with the computer beside a keyboard.
Atypical Mouse has two buttons. At the top of the device you will a left and right button which allows for “click”. There is scrolling wheel between two buttons.
Advantages:-
The advantages of Mouse are:
1. A mouse is better for fine movements and adjustments than most of the alternatives.
2. Very maneuverable, can access any part of the screen in an intuitive way rather than using arrow keys.
3. They are the easiest way to use a computer (in a way that a keyboard never
Advantages:-
The advantages of keyboard are:
1. Keyboards have special key that preform specific functions. 2. Instead of using the mouse to move the cursor you can use the arrow key situated on the keyboard to move the cursor on the monitor. 3. Keyboardare less expensive because it comes with every computer.
4.People are used to using keyboards to enter data, they need very little training
5.Specialist keyboards are available e.g. ergonomic, gaming keyboards
Disadvantages:-
The disadvantages of keyboard are:
1. The person using the keyboard have to learn how to type.
2. The frequent movement from keyboard to move and back could cause carpal tunnel syndrome.
3.Excessive use can lead to health problems such as repetitive strain injury (R.S.I.)
4. Keyboards are not suitable for creating diagrams.
5. If you can't touch type, it can be time consuming to enter data.
Mouse:-
The Computer Mouse is considered an input device. With a click of a button , the mouse sends information to the computer , the computer mouse is an interesting device that offers an alternative way to interact with the computer beside a keyboard.
Atypical Mouse has two buttons. At the top of the device you will a left and right button which allows for “click”. There is scrolling wheel between two buttons.
Advantages:-
The advantages of Mouse are:
1. A mouse is better for fine movements and adjustments than most of the alternatives.
2. Very maneuverable, can access any part of the screen in an intuitive way rather than using arrow keys.
3. They are the easiest way to use a computer (in a way that a keyboard never