1. What is USB cable for?

The term USB stands for "Universal Serial Bus". USB cable assemblies are among the most widely used cable types, connecting computers to peripheral devices such as cameras, camcorders, printers, scanners, and others.

2. What is the difference between USB and HDMI cable?

HDMI (High-Definition Multimedia Interface) cables are used for HDTV, whereas USB (Universal Serial Bus) cables are used for PCs. The HDMI cable is the current industry standard for connecting HD source devices (such as DVD players) to HD displays (such as HDTVs).

3. How to use an Arduino USB cable?

Arduino and compatible with Arduino contains a mini/miro or type B USB port that can be used to connect to PC via the regular USB port (type A) with the included cable. The cables are basic plug and play types of cables. All you need to do is just connect the Arduino to the computer by using the correct ports. 
 

4. What is the purpose of an Arduino USB cable?

The USB cable helps you upload programs (aka sketches) to your Arduino and helps you monitor serial messages in your computer. The USB cable for Arduino plays an important role in different projects since you can embed the codes of the project into the Arduino or compatible with Arduino.

5. Where can I buy the Arduino USB cable in India, online?

Arduino USB cables are often included with Arduino boards themselves. However if you want any spare cables, you can get them easily after making sure of the type of connector used. For example Arduino Uno and Mega use USB Type B to Type A, while Arduino nano uses microUSB to Type A.