what is a keyboard? history, types Flashcards
input device used to enter text, numbers, and commands into a computer or other digital devices
computer keyboard
keyboard keys consists of
letters, numbers, symbols, and function keys
allows users to communicate with the computer by pressing the keys which sends signals to the computer’s processo to perform various actions
keyboard
keyboard has its roots in the
typewriter
when was the typewriter invented
19th century
who designed the QWERTY layout and when
Christopher Latham Sholes in 1873
type of keyboard 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
type of keyboard which has individual mechanical switches under each key, providing a tactile feel and a clicky sound when typing. they are known for their durability and are popular among gamers and heavy typists
mechanical keyboard
type of keyboard which has softer feel and are quieter because they use a rubber dome under each key instead of mechanical switch. they are often more affordable and are commonly used in offices and homes
membrane keyboard
type of keyboard that connects to the computer without a cable, using Bluetooth or a wireless USB receiver. they offer more flexibility and reduce clutter on the desk
wireless keyboard
type of 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. they are ideal for people who type for long periods.
ergonomic keyboard
type of keyboard that is 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
type of keyboard which has additional features like customizable backlighting, extra programmable keys, and faster response times to enhance gaming performance
gaming keyboard
type of 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 layouts
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
traditional connection method where the keyboard connects to the computer through a USB or PS/2 cable. It provides a reliable connection without the need for batteries.
wired connection
connect using Bluetooth or a USB receiver. They offer more flexibility and freedom of movement but require batteries or charging.
wireless connection
are a type of wireless keyboard that connect via Bluetooth technology. They are 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