Concept:The standard keyboard layout used worldwide is named after the first six letters on its top letter row.
Explanation:Keyboards are arranged according to different layouts to suit typing needs.
The most common and standard layout is QWERTY.
It is found on most computers, laptops, and typewriters globally.
QWERTY was designed by Christopher Sholes for early typewriters and carried over to modern computer keyboards.
Other layouts like Dvorak and AZERTY exist, but they are not the standard default for most systems.
Answer:The correct option is B. QWERTY.