do all 4 if you can please will rate.

Which type of mouse would continue to work when the device is not in contact with a horizontal surface? Optical Both of the answers are correct O Mechanical None of the answers are correct How many read/write heads would exist in a hard drive containing 2 platters? 1 8 4 2 How many tracks would comprise a cylinder in a hard drive containing 2 platters? 4 O 8 2 2 Which network topology would not support either the CSMA/CD or CSMA/CA network communication protocols? O Ring Mesh Star Bus