It uses optical character recognition techniques to convert images into digital ones. The scanned picture or document then converted into a digital format or file and is displayed on the screen as an output. The scanner uses the pictures and pages of text as input. It is used to improve the experience of using a mouse. The rough surface may cause problems for the optical recognition system, and the glossy surface may reflect the light wrongly and thus may cause tracking issues.Īs the name suggests, this type of mouse lacks cable and uses wireless technology such as IrDA (infrared) or radio (Bluetooth or Wi-Fi) to control the movement of the cursor. Plain non-glossy mouse mat should be used for best results. However, its performance is affected by the surface on which it is operated. It is more reliable than a mechanical mouse and also requires less maintenance.
The drawback is that they tend to get dust into the mechanics and thus require regular cleaning.Īn optical mouse uses optical electronics to track its movement. A mechanical mouse can be used for high performance. It has a system of a ball and several rollers to track its movement. So, it is an ideal device if you have limited desk space as you don't need to move it like a mouse. It remains stationary you don't need to move it on the operating surface. The device has sensor to detect the rotation of ball. The ball is half inserted in the device and can be easily rolled with finger, thumb or the palm to move the pointer on the screen. It is a stationary input device that has ball mechanism to move the pointer or cursor on the screen. A mouse is connected to a computer through different ports depending on the type of computer and type of a mouse. Modern mouse devices come with optical technology that controls cursor movements by a visible or invisible light beam.
Early mouse had a roller ball integrated as a movement sensor underneath the device. Some mouse comes with integrated features such as extra buttons to perform different buttons. It lets you control the movement of cursor or pointer by moving your finger over the touchpad. Laptop computers come with a touchpad that works as a mouse. It is designed to be used on a flat surface and generally has left and right button and a scroll wheel between them. The mouse is a hand-held input device which is used to move cursor or pointer across the screen.
The most frequently used letters are kept in a home row to improve typing. This type of keyboard layout was developed to increase the typing speed by reducing the finger movement while typing. Furthermore, in AZERTY keyboard M key is located to the left of the L key.ĪZERTY keyboard differs from QWERTY keyboard not only in the placement of letters but also in many other ways, e.g., it gives emphasis on accents, which is required for writing European languages like French. The Q and W keys in AZERTY keyboard are interchanged with A and Z keys in QWERTY keyboard. Its name is derived from the first six letters that appear on the top left row of the keyboard. Some countries have manufactured their own versions of AZERTY. It is developed in France as an alternative layout to the QWERTY layout and is mainly used in France and other European countries. It is considered the standard French keyboard. It is so popular that some people think that it is the only type of keyboard to use with computers as an input device. It is named after the first six letters of the top row of buttons and is even popular in countries that do not use Latin-based alphabet. It is the most commonly used keyboard with computers in modern times. Some of the common types of keyboards are as follows: Types of keyboards: There can be different types of keyboards based on the region and language used.
#Remote mouse laser Bluetooth#
Keyboards are connected to a computer through USB or a Bluetooth device for wireless communication. It has different sets of keys for letters, numbers, characters, and functions. The keyboard is a basic input device that is used to enter data into a computer or any other electronic device by pressing keys.
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