Keyboards

Keyboards

Keyboards

There are many different keyboard layouts, both as regards the placement of the keys and in terms of those keys on the placement of the letters. The placement of the letters (and therefore different formats such as QWERTY and AZERTY) has its origin in the mechanical typewriter, where the layout prevented hammers terminal got stuck. The latter could happen when adjacent keys were struck quickly in succession; Therefore, the tests were organized to letters often followed each other, could not be easily excited quick succession. Since the advent of electronic typewriters and computers, this is no longer relevant, but in practice it has retained the old keyboard layouts. Newer keyboard layouts designed for ease of use, such as the Dvorak keyboard, used only very limited.

Layout

In the Netherlands, mostly keyboards with the US, "American International" (ANSI) format sold. This is one of the so called QWERTY' formats, named after the first six letters of the upper letter keys row. The abbreviation ANSI refers to the mechanical layout of the keyboard. When the keyboard has a small ENTER key, then the mechanical layout usually the type ANSI.


Connection

For the connection of keyboards, there are some possibilities. Nowadays, non-wireless keyboards only USB and PS / 2 are common. At the first PCs were previously using a DIN connector, the same five-pin plug which is also known stereo equipment.


Safety

The security of information plays a role in low-cost and older wireless keyboards. Thereby sometimes sent unencrypted data via radio waves. This could be taken care of by a person so as to identify passwords. With good wireless keyboards data versleuteld.Ook be if there is a fixed connection (not wireless), it is sometimes still possible to detect the keys pressed by radio. Some keyboards with a PS / 2 connector produce so many radio waves (in fact interference) that are catching on that waves up to several meters.

Ergonomics

With a good ergonomic construction of a keyboard typing errors made can be minimized. About the ergonomics of keyboards is little clarity, but important aspects are:

  • button size and button placement
  • keyboard height and angle of inclination with respect to the desktop (somewhat adjustable by the supports at the bottom side of the board)
  • force required to press a key
  • clear tactile 'click' when pressed

Often it is a personal choice which keyboard is best.

An adjustable keyboard

Ergonomic keyboards also serve to prevent RSI. The simplest solution is to rotate the group keys for the left hand which tilted to the left and group keys for the right hand which tilted to the right. By fabricating the two parts separately from each other, the user can adjust the angle. Sometimes also the function keys for the user tilted, so that they can be pressed without moving the hands. Finally, there are special keyboards with only a small number of keys, placed exactly under the fingers, which, for most of the letters needs to be pressed in a certain key combination (instead of a single key).


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Acer Nitro keyboard USB QWERTY Black

Acer Nitro keyboard USB QWERTY Black

Keyboard dimensions (WxDxH)480 x 225 x 300 mmRecommended usageGamingDevice interfaceUSBKeyboard key ..

€ 39.99 Ex Tax: € 33.05

AZERTY / Rapoo 8100 Wireless Keyboard + Mouse Desktopset - White

AZERTY / Rapoo 8100 Wireless Keyboard + Mouse Desktopset - White

Rapoo 8100 Wireless Keyboard + Mouse Desktopset - WhiteRapoo 8100 Wireless Keyboard + Mouse Desktops..

€ 21.99 Ex Tax: € 18.17

BE KB Logitech K375s MultiDevice BT Zwart draadloos Ret

BE KB Logitech K375s MultiDevice BT Zwart draadloos Ret

BE KB Logitech K375s MultiDevice BT Zwart draadloos Ret..

€ 44.99 Ex Tax: € 37.18

DELL KB216 toetsenbord USB QWERTY US International Zwart

DELL KB216 toetsenbord USB QWERTY US International Zwart

DELL KB216 Keyboard USB QWERTY US International ZwartMultimediatoetsenbord, QWERTY, VS internationaa..

€ 12.99 Ex Tax: € 10.74

Esperanza Titanum Wired Set Keyboard + Mouse

Esperanza Titanum Wired Set Keyboard + Mouse

Esperanza Titanum Wired Set Keyboard + MouseEsperanza Titanum Wired Set Keyboard + Mousehttps://prod..

€ 5.99 Ex Tax: € 4.95

Ewent EW3130 keyboard USB QWERTY English Black

Ewent EW3130 keyboard USB QWERTY English Black

Comfortable keyboard for every computer user - Comfortable keyboard with USB connection - Special m..

€ 8.99 Ex Tax: € 7.43

Ewent EW3131 keyboard USB AZERTY Belgian Black

Ewent EW3131 keyboard USB AZERTY Belgian Black

Comfortable keyboard with special Hot Keys - Comfortable keyboard with USB connection - Special mul..

€ 8.99 Ex Tax: € 7.43

Ewent EW3163 keyboard Bluetooth QWERTY US International Silver, White

Ewent EW3163 keyboard Bluetooth QWERTY US International Silver, White

The EW3163 Ultra-slim Bluetooth Keyboard is designed to type more convenient on tablets and smartpho..

€ 19.99 Ex Tax: € 16.52

Ewent EW3190 keyboard USB QWERTY US International Black

Ewent EW3190 keyboard USB QWERTY US International Black

The EW3190 Business Keyboard is a stylish full-size business keyboard suited for home and office use..

€ 13.99 Ex Tax: € 11.56

Ewent EW3193 keyboard RF Wireless QWERTY US International Black

Ewent EW3193 keyboard RF Wireless QWERTY US International Black

The EW3193 is a Wireless Keyboard and Mouse bundle containing a solid full-size keyboard and 1600 DP..

€ 20.99 Ex Tax: € 17.35

Ewent EW3260 keyboard RF Wireless QWERTY US English Black, Grey

Ewent EW3260 keyboard RF Wireless QWERTY US English Black, Grey

The EW3260 Wireless Keyboard and Mouse set contains a slim full-size keyboard and a 1600 DPI mouse. ..

€ 33.99 Ex Tax: € 28.09

Ewent EW3265 keyboard USB QWERTY US English Black

Ewent EW3265 keyboard USB QWERTY US English Black

The EW3265 is a slim full-size keyboard with low-profile silent keys and 12 multimedia keys. The key..

€ 29.99 Ex Tax: € 24.79

Ewent PL3310 keyboard USB QWERTY US English Black, Silver

Ewent PL3310 keyboard USB QWERTY US English Black, Silver

The Play PL3310 Gaming Keyboard is a robust metal gaming keyboard with 3 area-colour selectable illu..

€ 23.99 Ex Tax: € 19.83

Ewent PL3350 keyboard USB QWERTY English Black

Ewent PL3350 keyboard USB QWERTY English Black

The Play PL3350 Gaming Keyboard is a robust mechanical gaming keyboard with RGB backlight illuminati..

€ 44.99 Ex Tax: € 37.18

Gembird KB-U-103 toetsenbord USB Amerikaans Engels Zwart

Gembird KB-U-103 toetsenbord USB Amerikaans Engels Zwart

Gembird KB-U-103 Keyboard USB Qwerty US LayoutGembird KB-U-103 Keyboard USB Qwerty US Layouthttps://..

€ 3.99 Ex Tax: € 3.30

Kabelgebundene Tastatur Qwertz / Deutsche

Kabelgebundene Tastatur Qwertz / Deutsche

OEM Wired Keyboard Qwertz ( German Layout )OEM Wired Keyboard Qwertz ( German Layout )https://produc..

€ 2.99 Ex Tax: € 2.47

KB Logitech K360 Zwart draadloos Retail

KB Logitech K360 Zwart draadloos Retail

KB Logitech K360 Zwart draadloos Retail..

€ 41.99 Ex Tax: € 34.70

KB Logitech K380 Multi-Device BT Zwart draadloos Retail

KB Logitech K380 Multi-Device BT Zwart draadloos Retail

KB Logitech K380 Multi-Device BT Zwart draadloos Retail..

€ 46.99 Ex Tax: € 38.83

LogiLink polssteun voor Gaming toetsenbord Zwart

LogiLink polssteun voor Gaming toetsenbord Zwart

LogiLink polssteun voor Gaming toetsenbord Zwart..

€ 6.99 Ex Tax: € 5.78

LogiLink Universele polssteun Zwart

LogiLink Universele polssteun Zwart

LogiLink Universele polssteun Zwart..

€ 7.99 Ex Tax: € 6.60

Logitech ADVANCED COMBO toetsenbord USB QWERTY US International Zwart

Logitech ADVANCED COMBO toetsenbord USB QWERTY US International Zwart

Logitech Advanced Combo Wireless Keyboard + MouseLogitech Advanced Combo Wireless Keyboard + Mouseht..

€ 64.99 Ex Tax: € 53.71

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