Uncategorized Q79. Define Hexadecimal Number System. April 30, 2014 WFQ 0 Comments Hexadecimal Number System, number system Q79. Define Hexadecimal Number System. Ans. A number system with 16 unique symbols that is, base-16 symbol. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Like this:Like Loading... Related