Question

touch - screen devices usually feature __________ keyboards.

a. laser - projection
b. virtual
c. optical
d. physical

Explanation:

Touch - screen devices display keyboards on the screen. Virtual keyboards are software - based and appear on the touch - screen. Laser - projection keyboards are less common and project an image of a keyboard onto a surface. Optical keyboards are not typical for touch - screen devices. Physical keyboards are external and not a feature of the touch - screen itself.

Answer:

B. virtual