Question

which connector on a computer is used to attach a mouse to a modern computer system?
usb
high - density (three row) female db - 15
low - density (two row) female db - 15
rj45

Explanation:

A USB (Universal - Serial - Bus) connector is commonly used to attach a mouse to a modern computer system. High - density (three - row) female DB - 15 and low - density (two - row) female DB - 15 are often used for other purposes like connecting monitors or older input devices in some cases. RJ45 is mainly used for Ethernet network connections.

Answer:

A. USB