A mouse is also called a mouse locator. An ordinary computer input device. Shaped like a mouse. When the user moves it on the plane, he can control the cursor movement on the computer display screen, so as to conveniently carry out menu selection and other operations.
A small hand control device connected to a computer. As small as a mouse, it will display a cursor on the screen, move to the required position, and then slide or click on the device by hand to execute computer instructions. Also used as a mouse. Some dictionaries have also been translated into mice.
Classification of mice
Mechanical type, optical-mechanical type and photoelectric type (depending on their working principle and internal structure)
1. Mechanical mouse: Mechanical mouse is mainly composed of three parts, ball, roller column and grating signal.
2. Optical mouse: Optical mouse is a combination of photoelectricity and machinery. On the basis of mechanical mouse, it changes the most worn contact brush and decoding wheel into non-contact LED light path elements. Optical mouse and mechanical mouse are similar in appearance, but different in internal structure.
3. Optical mouse: Optical mouse has many components, including optical sensors, control chips, optical lens components, light-emitting diodes, touch buttons and so on.
Mouse with three function keys
Generally, it is left key, right key and middle pulley, which is the most common. Left and right keys are selected by the left key. Double-click the left key to open and right-click the property. The middle pulley can pull the page up and down when opening the page, and there is no need to click with the left button to pull the slide control.
Mouse with six function keys
1. The mouse has added three buttons and three function keys. For example, there are two side keys on the left, close to the thumb, so it is also thumb control. They are forward page and backward page respectively.
2. There is a DPI key behind the middle pulley; This is used to adjust the speed of mouse movement. If you don't press it, it is normal speed. Press it once and it will speed up. If you press it twice, it will slow down. If you press it again, it will become normal speed.
How to choose a mouse
1, buy a mouse to see your positioning. Home users generally use a cost-effective mouse with tens of dollars; Because office users use the mouse more frequently, it is better to use the wireless mouse.
2. Buying a mouse depends on the price. Believe that you get what you pay for. After choosing the brand and recognizing the positioning, more people will buy a mouse for about 100 yuan.
3. Buy a mouse to see the packaging. Compared with the packaging of ordinary mouse, the game mouse will be more professional and the style design will be very different. It also depends on whether there are performance parameters, manufacturer address and contact information on the package.
4. Buy a mouse to see the appearance. Nowadays, people pay attention to aesthetics, and when buying a mouse, they should also buy a mouse with good design. Everyone loves beauty.
5, buying a mouse depends on the feel. How the mouse feels has a lot to do with ergonomics. Buying a mouse must be suitable for your hand design, and it is best not to be tired when holding it. At the same time, it is also necessary to examine whether the mouse shell fits closely with the palm, whether the volume of the mouse matches the size of the palm, and how to hold the mouse and try to feel it.