A standard is any norm, convention or requirement.It is a set of rules and definitions that specify how to carry out a process or produce a product. 

1. HCI 111
By Dr. Khaled Ouanes Ph.D.
E-mail: k.ouanes@seu.edu.sa
Twitter: @khaled_ouanes

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14. HCI 111
By Dr. Khaled Ouanes Ph.D.
E-mail: k.ouanes@seu.edu.sa
Twitter: @khaled_ouanes