COMPUTER HARDWARE
CLASSIC
KEYBOARD
First classic keyboard are manufactured in 1969 by Computer
Terminal Corporation. They began shipping the Data Point 3300 which was the
first computer terminal meant to replace the teleprinter. As well as being sold
as the Data Point 3300 other versions of this terminal was also marketed as the
DEC VT06 and the HP 2600A. The Data Point 3300 used a screen display typed text
and was capable of moving the cursor using arrow keys and could also clear all
text to the end of the line or end of the screen.
Many different keyboard
layouts are available around the
world (like Dvorak and JCUKEN) but most keyboards are of
the QWERTY type. This type of keyboard normally contains the
basic such as numbers, letters, symbols, arrow keys, etc. There also a shortcut
that we can use in keyboard that will make our faster and relaxes without
depend too much on the movement of mouse by our hand that need more energy.
Wired keyboards connect to the motherboard via
a USB cable,
using the USB Type A connector. Older
keyboards connect via a PS/2 connection.
Keyboards on laptops are of course integrated, but technically would be
considered "wired" since that's how they are connected to the
computer.
GAMING
KEYBOARD
A gaming keypad is
a small, auxiliary keyboard designed only for gaming. It has a limited number
of the original keys from a standard keyboard, and they
are arranged in a more ergonomic fashion
to facilitate quick and efficient gaming key presses. The commonly used keys
for gaming on a computer are the 'W', 'A', 'S', 'D', and the keys close and
adjacent to these keys. These keys and style of using a keyboard is referred to
as WASD. A gaming
keypad will not only optimize the WASD layout, but will often contain extra
functionality, such as volume control, the Esc.key, and the F1–F12 keys.
The benefits of having a gaming
keypad over a traditional keyboard are many.
·
Reduced size - Whether the player is
looking to free up desktop space while they are gaming, or are looking for a
keyboard that is more conducive to resting in their lap while they sit back and
indulge their gaming desires, a keypad can give them the option of something
much more manageable.
·
Ergonomic design
– Many of the new keypads have been designed such that they are as comfortable
to use as possible while gaming. This reduces the amount of fatigue that the
player's hand experiences while playing. It also reduces the possibility of
hand injury that could occur from prolonged use of a keyboard.
·
More available keys – While most of
the keypads do not invent new buttons, they do make more of the already
existing buttons more accessible to the fingertips without having to relocate
or move the entire hand. Some of them can almost double the amount of buttons
that could be normally reached by the hand and fingers.
ERGONOMIC KEYBOARD
Ergonomic
keyboard is a computer
keyboard designed
with ergonomic
considerations to minimize muscle strain and a host of related problems.[1]
Typically such keyboards for two-handed typists are constructed in a V shape,
to allow right and left hands to type at a slight angle more natural to the
human form.
A multimedia
keyboard which is designed to create a simple touch for users to access
frequently used programs. Keyboard functions, There are special keys that are
used to access the Internet, music, and other frequently
used programs such as email. The
volume control is a handy function that has multimedia keyboards.
SPECIFICATION OF MULTIMEDIA KEYBOARD:
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