How many types of connectors are there for USB cords?
Two
What are they?
Type A and B
Where do you find them?
computer or electronic
What part of the cord is the connector on?
Type-A or a Type-B.
Which type plugs into the power source?
Type-A
Do cords usually have both types?
yes
Why?
prevent electrical overloads and damaged equipment
How should treat a cord with two type A ends?
carefully.
Which type is the big end?
Type-A
Can the other one be different sizes?
yes
What was the USB originally for
connection of devices
Do smartphones use them?
yes
What kind of port did they replace?
serial and parallel ports,
Besides supplying power what else do the do?
connection of devices
What is a keyboard?
computer part
What kind of computer was a USB made for?
personal computers
Does it provide the communication link to the computer?
yes
Can network adapters use them?
yes
What about printers?
yes
What are some other kinds of data cables?
Ethernet, HDMI