่ฝจ่ฟน็
่ฝจ่ฟน็, trackball
่ฝจ่ฟน็ๆฏไธ็ง้ผ ๆ ๏ผ้่ฟๆปๅจ็ๆฅ็งปๅจ็ต่ๅฑๅนไธ็ๅ ๆ ใๅ ไธบๅฎไธ้่ฆ็งปๅจๆ่ ๏ผๆไปฅไฝฟ็จ่ตทๆฅๅพๆนไพฟใ
ไธๆฎ้้ผ ๆ ไธๅ๏ผ่ฝจ่ฟน็ๅฏไปฅๅบๅฎๅจๅๅฐไฝฟ็จใๅฎๅฐคๅ ถๅๅฐ่ฎพ่ฎกๅธๅๅพๅฝขๅทฅไฝ่ ็้็ใ
A trackball is a type of mouse that moves the cursor on a computer screen by rolling a ball. It's convenient because it doesn't require much wrist movement.
Unlike a regular mouse, it can be used in a fixed position. It is especially popular among designers and those who do graphic work.
่ฝจ่ฟน็ๆ็ๆ่ถฃ็ๅๅฒ๏ผๅฎๆฏ้ผ ๆ ๆดๆฉๅๆ๏ผๆฏ็ฑๅ ๆฟๅคงๆตทๅไบ1952ๅนดๅผๅ็ใๅฝๆถๆฏไธบไบๆไฝ้ท่พพๅฑๅน่่ฎพ่ฎก็ใ
่ฝจ่ฟน็้็จไบบไฝๅทฅ็จๅญฆ่ฎพ่ฎก๏ผๅฏไปฅๅๅฐๆ่ ็ผ็๏ผๅ ๆญคๅจ้ฟๆถ้ดไฝฟ็จ็ต่็ไธไธไบบๅฃซไธญๅพๅๆฌข่ฟใๅฎๅฏไปฅ่ฟ่ก็ฒพ็กฎ็ๆไฝ๏ผๅฐคๅ ถๅๅฐCADๅๅพๅฝข่ฎพ่ฎก้ขๅ็้็ใ