7 kinds of keyboards and mice: the functions, features, properties

Types of keyboard and mouse

Keyboard - input device and information management component of the computer peripheral device.

types

In appearance, the device is divided into:

• classical;
• ergonomic;

The keys are arranged at a right angle, standard, or a fan.
By connection type:
1. USB,
2. PS / 2,
3. COM,
4. AT,
5. BLUETOOTH,
6. infrared.

Depending on the application the keyboard Buy:
1. multimedia,
2. gaming,
3. classic,
4. digital.

Mouse - a cursor control device.

Wireless keyboard

No wires to connect to computers and mobile gadgets - a major plus of using a wireless device. The keypad becomes mobile. Interaction with the product free.

Wireless Connectivity:
1. across bluetooth,
2. over the air,
3. via infrared,
4. across wi-fi network adapter.

This keyboard is connected to:

• computer;
• tablet;
• smartphone;
• other device with bluetooth.

More often than not equipped with a keyboard transceiver button first connection and to use the device to run Microsoft Connection Wizard.

Otherwise, use the Bluetooth software.

If your computer has a built-in transceiver is not Microsoft, then create a pair between the device and computer, you can use the software configuration method bluetooth without using transceiver Microsoft.

Radio keyboards allow you to use the computer at a distance up to 50 meters, depending on the connection type. If this radio - from 2 to 10metrov. In the case of bluetooth - 15-50 meters, depending on the standard used.

Modern devices are equipped with a radio module versii2.0 and older. Provide communications in the 2.4 GHz band that does not require licensing.

Infrared connection requires a zone of direct vision between the keyboard and the computer, which is not convenient and not always possible. In modern devices, this port does not meet almost.
Keyboard Connection wi-fi complicated. Therefore rarely used.

Keyboard Structure is constantly being improved with the aim of:
1. comfort in use;
2. the reliability of the connection;
3. Use of differentiation;

When you dial a large amount of information it is important that your hands comfortably placed, less tired, and commissioning was carried out quickly. That there was no stiffness in the wrist, used stand made of plastic or rubber. To elbows sag - stand for the proximal end, which is tacked on.

On the keyboard, sometimes impose additional connectors for headphones and microphone, usb and mini usb.

Features Wireless connection:
1. The cost of such a device is higher than the wire,
2. separate functions cease to be performed while reducing the battery charge,
3. Limited number of rollovers,
4. The actual range is usually different from the claimed manufacturer.
5. The response speed is not much lower than in the case of a wired connection.

Wireless mouse

mouse connect to the computer technology:
1. blutooth,
2. radio,
3. wi-fi,
4. infrared

Bluetooth connection Distribute. It occurs through a signal transmission from the optical sensor to the standard bluetooth - signal receiver. It comes with the device and inserted into the usb port on the computer. In most modern computers and mobile gadgets, bluetooth device is built.

For signal transmission uses radio waves in the 2.4 GHz -2.4835. The distance to the receiving device is not less than 10 meters.

To connect via radio transmitter needs to be connected to the usb port.
The distance to the unit at the same time more than bluetooth, but especially in the fact that each manufacturer produces its transmitter. So sometimes there is incompatibility between the mouse and receiver.

By design, the wireless pointing device is divided into:
1. Induction
2. gyroscopic
3. optical LED
4. laser
5. sensory
6. optomechanical

Indicators of work deemed mouse polling rate of the optical sensor and ergonomic. Improvement of the device is directed to these figures.

Induction mouse is powered by the energy generated by the mat. Pad is connected to a computer. Its advantages in that it does not need any batteries or battery. Disadvantages linked to the carpet, the high cost. We have not studied the effect of a mouse on health.

Gyroscopic manipulator operates via the gyro sensor inside the receiver and inserted into usb-port of the computer. Advantages - low weight, work without attachment to a support. Those. It works in the air.

The disadvantage of high cost and the peg to the transceiver manufacturer.

LED optical mouse, laser and opto-mechanical are in wide use due to its affordable price. A disadvantage of the optical mouse is more consumed power than laser.

When choosing a mouse based on:
1. Technical indicators depending on the purpose of its use. Manipulator has 19 buttons, a scroll wheel 2. From the technical parameters pay attention to the resolution of the sensor or sampling frequency. These parameters are important for gamers. battery capacity or power supply.
2. Aesthetic preferences. It is the color, weight, streamlining. The mouse should fit comfortably in the hand.

From wireless keypads are available with a mouse bluetooth connection. The market is constantly supplemented with new technologies and manipulators usovershensvovannymi existing models. The choice depends on the purse and use purposes.

gaming mouse

the player should be comfortable mouse, quickly and accurately respond to commands given to the gamer. This determines the outcome of the game. Something that is not essential, would be decisive for the player for the average user.

Mainly in the choice of such mice are the specifications and ergonomics.
Wired or wireless the gamepad?

Wireless manipulator:
1. Heavier due to the battery,
2. The reaction is weaker than that of the wire. Especially after the idle period.

Therefore, preference is given to wired devices.

Such manipulators of connection technologies differ by:

• Ps / 2;
• Usb

The first option is already outdated, but still used. Some players prefer it, because this interface allows the software to adjust the polling rate, exercise its acceleration.
Next parametr- resolution. Those. the number of dots per inch. It determines the positioning accuracy and sensitivity. For gamers selected manipulator with a resolution of at least 800 and more than 5,600 dpi.
For the game is mainly used optical laser mouse.

additional buttons

The requirement for an additional button makes the game used. For some, they do not need games.

If we choose a mouse with these buttons, they must be:
1. Conveniently located,
2. securely fastened,
3. smoothly and clearly pressed.

Considered important the existence of additional programmable keys to adjust the game characters under control. Therefore, the memory block must be present in the gaming mouse to remember settings - macros.

Design and ergonomics

Game pad should be comfortable. As a manufacturer and a consumer pays a lot of attention to this characteristic.

There are mice that adapt to the user's requirements for height, hand size, length, width, weight (with additional weights). Release the mouse, designed for left-handers and right-handers on.

The enclosure must be pleasant to the touch, the palm should not slide.
There were also comfortable wireless gaming mice are not inferior in response speed wired and versatile mouse - using wired and wireless connectivity technologies.

The manipulator is available in various colors and interesting gaming coloring.

According to the method of interaction with a hand mouse no criteria - some prefer the touch control, the other by pressing with your fingers. Choose from depending on the habits or the game requirements. There is a mouse with feedback, which create the illusion of vibration to direct human intervention in the events of the game.

For the year leaves a large number of new mouse models of different manufacturers competing with each other in design and functionality.

Wireless kits

The convenience of wireless mouse and keyboard set (sometimes other variations) is that they create a pleasant visual impression of the unity of style. In technical terms, the purchase of the kit eliminates the problem of incompatibility of equipment with each other.

Besides the usual combination of wireless keyboard and mouse, there are kits that include telephony functions and communication software. This kit is suitable for users constantly using Skype.

It includes a hands-free device and the headset.
handsfree unit is a receiver of signals from a wireless mouse and keyboard. It connects the headset with a microphone (wire). It feeds on a set of batteries.

On the keyboard there are quick launch key telephony applications. A separate unit allows you to talk hands-free and typing at the same time. Present and multimedia keys that characterizes this as a multi-function keyboard. The advantage of the kit to support VoIP functions. Programs for your phone lovers.

For communication with a computer device meets three usb receiver. Batteries for power.

The remote control allows the volume and other multimedia elements, without using a keyboard or a mouse, with a convenient distance for the user.

Set the keyboard and mouse in a beaker. Glass is the receiver and the batteries for the mouse. The keyboard is equipped with batteries.

An interesting set of mouse, keyboard and remote control in a single package. Those. all these elements are always with you. They operate at a distance of 5 meters. It has a set of multimedia features and a mini joystick. Powered by batteries.

All suites feature a stylish design, low weight, a harmonious combination. Acquisition devices bundled cheaper than alone. The acquisition sets of peripherals - the choice of connoisseurs of modern design and comfort.

trackpads

The trackpad is a device which via conductors, receiving the signal pressure and controls the direction of the finger cursor. It is used instead of a mouse.

This is a separate device that works on penlight batteries. To install the necessary driver. The interaction with the computer is via bluetooth.

The surface of the trackpad glass or aluminum. There are two bottom buttons that replace the mouse. However, these buttons can not use, because trackpad customizable to fit your needs. Such as touch one finger - right mouse button, touch two - left. Etc.

Besides touch trackpad supports a set of gestures. Supported set is shown through the control panel of the unit to other gestures tab.

Among the gestures:
1. Correcting information in the contacts.
2. Search for words in the dictionary.
3. Adding a contact address or telephone number.
4. To rename a folder or file.
5. and etc.
Not less than 15 gestures.

Working with the trackpad comfortable, noiseless, does not cause abrasions on the table as using the mouse. Trackpad fits into any design, ergonomic.
On the trackpad optical technology. Can manage even with gloved hands.

Such a device is built and used in laptops, netbooks, smartphones. External trackpad used to work at the computer.
Technology used in the improved trackpad and mouse in the future will become an anachronism.

trackball

Trackball (Trackball) - a device consisting of a ball and two on the sides of the buttons. Used in portable computers. Communication with PC via bluetooth or by wire. The physical connection is made in the ps / 2 port in the case of a wired connection. Or usb receiver inserted otherwise.

Is controlled by a ball, which moves the cursor on the screen. Fingers move the ball by controlling its rotation and thus better position the cursor on the screen.

Powered by AA-batteries. Trackball used without moving the table. Thus it saves space and does not require for a hard flat surface. Does not slip on the surface due to rubber base.

Setting the common device driver -sets and the device will appear in the control panel of devices. In the Driver tab, programmable functions, which will perform the trackball button.

These devices demanding distance to the receiver - is not more than 2 meters (depending on model). And the location - can not be placed directly on the computer.

The periphery is best to use when working with graphic editors. For games or office applications it is not necessary to apply.

Keyboard Mouse

The acquisition of a set of mouse-keyboard is possible to avoid hardware incompatibility. The second criterion is stylish, harmony appearance.

Televisions sets, connected by wireless technology and connectivity through usb or ps / 2 connector. Chance of a universal set - when the connection by the user, by wire or without them.

The next stage - the technical characteristics.
Keyboard classic or ergonomic or multimedia standard for typing games. Connecting ps / 2 or usb.

Manipulator wheel with or without additional buttons with either a standard, a touch or mechanical. According to the technology - optical, laser, optomechanical, induction or gyro.

If the device is used exclusively for entering information that fit the classic keyboard.
In the case of watching movies, listening to music using multimedia with an additional set of keys.

Game pad equipped with additional keys as necessary.
Digital is used, if you enter only digital material.

The selection is done by parameters:
1. easy to install.
2. keyboard protection from moisture.
3. additional functions.
4. dimensions.
5. manufacturing material.
6. reliability.
7. price.

Buying mouse and keyboard included cheaper. This combination eliminates the problems of hardware incompatibility. Kit happy harmonious views.. Choosing a set of keyboard mouse - prudent choice, having aesthetic sense, man.

Among the variety of keyboards and mice everyone can find something that is suitable for his purposes. Every year manufacturer surprising new functionality of these peripherals and original design.