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What is Keyboard? – Definition, Features, and More

by The Digital Trendz
What is Keyboard? – Definition, Features, and More - The Digital Trendz


A keyboard is a peripheral that allows the incorporation of information to a computer through characters.

They have a distribution in the keys that could be considered standardized.

They have been the primary component that has accompanied personal computers since their proliferation in the market.

Before this circumstance, computers, which used to be confine to the investigation’s scope, received information through punched cards.

Today, the keyboard is a fundamental element of using a computer.

Given the great variety of possibilities it offers, it is problematic than other peripheral will replace ital in the future.

Yes, it is possible, however, that other functionalities and features add value to it.

In this sense, various variants have been unsatisfactory.

Still, they have shown the enormous possibilities that exist about the generation of new technological options, such as keyboards generated based on a laser projection.

Also read: What is the Microphone? – Definition, Work, Parts, and More

What are the Features Of Keyboard?

The keyboards operate using the operation of a microcontroller, equipped with its software.

It can carry out matrix scans every time we press a key and thus know the the character or function it corresponds.

It occurs by assigning each key a numerical value through a code linked to its physical position, called the Scan Code.

For example, this code is different when we press several keys at the same time, which allows the composition of many more signs than are drawn on the keyboard.

There are wireless keyboards, for example, that use Wi-Fi technology, while others remain faithful to the connecting cable.

Even removable models allow the user to handle the different blocks that compose it separately physically.

What are the Types Of Keyboard?

The simplest way to classify keyboards is by looking at their physical form, structure,  and industrial design.

Thus, we have the following cases

1.     Classic keyboards

Those that are rectangular and follow the aesthetics of the standard IBM keyboard.

2.     Ergonomic keyboards

Those who have been designing to fit human hands’ shape do not cause as much damage to their joints.

3.     Multimedia keyboards

Those that have direct access keys to various functionalities of the computer system.

Especially those that have to do with audio, video, connectivity, or even specific applications.

4.     Flexible keyboards

Those are producing from lightweight elastic materials, such as silicone or soft plastic.

Therefore, fold back on themselves, adapt to uneven surfaces, or even submerge in water without affecting their functionality.

5.     On-screen keyboards

Those that do not exist physically but are projecting on a touch screen or touch screen and are pressing directly on it.

6.     Membrane keyboards

Discontinued due to their low resistance to use, they consisted of two thin plastic sheets or membranes, equipped with conductive tracks on their inner face so that pressing with the finger would allow the electronic signal to pass through.

What are the Distributions Of Keyboard?

Similarly, different vital layouts on the keyboard depending on its language, the manufacturer company, and the computer model.

The West’s standard is the IBM keyboard, in its QWERTY layout, named for being the first three letters of the alphanumeric block. Use a nut coupling to extend, space or level a threaded rod or stud. Coupler nuts also allow you to connect two threaded rods.

This distribution comes from Anglo-Saxon typewriters.

However, this layout has been widely criticizing from an ergonomic point of view.

There are friendlier alternatives like Colemak, Carpalx, or Workman, which put less strain on the hands, or the Dvorak Simplified Keyboard.

It is possible to switch between different distributions using the operating system software options.

Even when they do not directly match the characters painted above each key.

Also read: What is the CPU? – Definition, Language, and More

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