it is laptop
The most common keyboard used nower days is a Qwerty keyboard.
The most widely used keyboard today is called the Qwerty keyboard, created by Christopher Sholes
Qwerty is the most common keyboard layout
The most common used audio input device is the webcam
The most common light bulb shape used in households today is the A19 shape.
handgun
I would say the The Dvorak Keyboard.
The original name of the keyboard is the "typewriter," which was developed in the 19th century. The term "keyboard" specifically refers to the input device used in computers and musical instruments, but it evolved from the layout and design of typewriters. The QWERTY layout, which is the most common keyboard arrangement today, was created to reduce jamming in early typewriters.
AA is the most commonly used batteries.
Zero
ATX, Actually todays most common motherboard form factor used is MicroATX
A clavier is the French word for keyboard instruments such as a harpsicord, a clavicord or a fortepiano mostly baroque-era instruments. The most common reference of a clavier is a piano.