What is a Keyboard? Flashcards
(38 cards)
is a basic input device used to communicate with a computer.
It allows users to type letters, numbers, and symbols and perform various functions by pressing different keys.
computer keyboard
is an input device used to enter text, numbers, and commands into a computer or other digital devices.
It consists of a set of keys, including letters, numbers, symbols, and function keys, arranged in a specific layout (commonly QWERTY).
computer keyboard
who designed the layout of qwerty in 1873
christopher latham sholes
why was the qwerty layout created in the keyboard
to prevent typewriter keys from jamming by spacing frequently used letters apart.
This is the most common type, usually found with desktop computers.
It has all the basic keys, including letters, numbers, function keys, and special keys like Enter, Spacebar, and Shift.
standard keyboard
These keyboards have individual mechanical switches under each key, providing a tactile feel and a “clicky” sound when typing.
mechanical keyboard
have a softer feel and are quieter because they use a rubber dome under each key instead of a mechanical switch.
use in offices and homes
membrane keyboard
connect to the computer without a cable, using Bluetooth or a wireless USB receiver.
more flexibe and reduce clutter on the desk.
wireless keyboard
designed to reduce strain and discomfort.
They often have a split or curved design that helps keep the hands, wrists, and arms in a more natural position.
used for typings for a long period
ergonomic keyboard
These keyboards are smaller and often do not have a numeric keypad, making them more portable and ideal for use with laptops or in small spaces.
compact keyboard
Designed specifically for _________, these keyboards have additional features like customizable backlighting, extra programmable keys, and faster response times to enhance gaming performance.
gaming keyboard
Found on touchscreen devices like smartphones and tablets, virtual keyboards appear on the screen.
They are operated by tapping on the virtual keys with fingers or a stylus.
virtual keyboard
arrangement of keys on a keyboard, which can vary based on language, region, and specific use cases
keyboard layout
this is the standard layout in most English-speaking countries.
It was originally designed for typewriters and remains the most popular layout today.
qwerty layout
This is a layout used in French-speaking countries.
The arrangement of keys is slightly different from QWERTY to accommodate French characters and accents.
AZERTY layout
designed to increase typing speed and reduce finger movement.
It places the most commonly used keys in the middle row, where fingers naturally rest.
DVORAK layout
This layout is similar to QWERTY but places more emphasis on reducing finger movement, making it an alternative for people looking for a comfortable typing experience.
Colemak Layout
This is the traditional connection method where the keyboard connects to the computer through a USB or PS/2 cable.
wired connection
connect using Bluetooth or a USB receiver. They offer more flexibility and freedom of movement but require batteries or charging.
wireless connection
type of wireless keyboard that connect via Bluetooth technology.
commonly used with mobile devices and laptops and are ideal for portable setups.
bluetooth connection
These are the main keys with letters (A-Z) used for typing words and sentences.
alphabet keys
Located above the alphabet keys, these keys have numbers (0-9) for typing numbers and symbols like @, #, and $.
number keys
These are the keys labeled F1 to F12 at the top of the keyboard. They perform special functions, like refreshing a page or opening help menus.
function keys
Keys like Ctrl, Alt, and Shift are used with other keys to perform shortcuts, such as copying (Ctrl+C) or pasting (Ctrl+V).
control keys