11 Input Output Ports and Devices

Question 1

Serial Port

Answer 1

Legacy computer port which sends data bits in a series (one at a time); also known as COM ports

Question 2

Parallel Port

Answer 2

Legacy computer port which sends data eight bits at a time; typically used form printers

Question 3

USB

Answer 3

Universal Serial Bus; a high-speed serial interface with broad device support which has effectively replaced serial, parallel, and PS/2 types

Question 4

Firewire

Answer 4

IEEE 1394 high-speed serial connection type, first developed by Apple with higher speeds than USB