Manna Khare

USB port or Universal Serial Bus port is a standard cable connection that creates an interface for short-distance digital data communications. USB3.2 is the latest generation of USBs which supports speed upto 20Gbps. There are various types of USB namely USB A, B, C and micro USB.

Wireless Hotspot or WiFi hotspot is prominently known as a wireless access point (WAP) or WLAN. It is set up in a public place to provide internet access to all wireless enabled devices ranging from laptops to mobiles to music devices. Airports, Coffee shops, Malls, etc. offer free WiFi Hotspots

5 GHz has a more definite signal with non-overlapping channels and higher speed as compared to 2.4 GHz. If there is a requirement of higher range with penetration through a wall, 2.4 GHz is preferred, and if there are no such restrictions, 5 GHz is preferred for faster data rates or bandwidth.

WEP or Wired Equivalent Privacy is a wireless security or encryption algorithm based on IEEE 802.11 wireless networks. It was introduced in 1997 to provide wireless network security similar to ethernet or cable network. It has been widely used in past but now deprecated because of several weaknesses.

How to measure WiFi signal strength? There are several tools and software available such as InSSIDer, NetSpot, Wireshark, WiFi Analyzer, etc. You can even count the number of WiFi bar on your device. WiFi signal strength depends on multiple factors such as distance from the access point, obstructions, etc.

You may turn off Wifi for reasons like saving electricity, avoiding any security glitches & boosting internet speed for wired devices. The simplest method is by killing the power. Some Wifi routers come with on/off switch. You can turn off WiFi on your smart gadgets, like mobile by going into settings.