Urdu Meanings, Pronounciation and Synonyms:
trackball
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: trackball
| 1. trackball | |
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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";
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