SSC CHSL Tier 1 2015 Questions

Question 172 USB is _________ type of storage device.

A) Auxillary
B) Secondary
C) Tertiary
D) Primary

Answer: Secondary

Explanation: USB stands for Universal Serial Bus. You would have seen USB ports and cables in computer, labtop, mobile devices and other digital devices. This is nothing but a bus to transfer data and follow a universal standard so that universally same data transfer methods can be followed.
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