دیکشنری فارسی

trackball

ریشه و کاربرد

ریشه

From the English words 'track' and 'ball'. 'Track' comes from the Old English 'tracian' meaning 'to follow', and 'ball' comes from the Old English 'beall' meaning 'round object'.

مثال

  • The trackball allows the user to move the cursor on the screen.
  • Some people prefer using a trackball over a traditional mouse.
  • The trackball was first used in the 1950s as a military radar tracking device.

ترکیب‌های رایج

Computer trackball Wireless trackball Optical trackball

تعریف انگلیسی

noun
  1. an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen “a trackball is essentially an upside-down mouse”

همین دیکشنری روی گوشی

همهٔ ۲۹۱٬۲۱۲ واژه، بدون نیاز به اینترنت.

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