The following are pictures of two doors. How would you operate door A? How would you operate door B? Compare the your answers to these questions and explain the reasons for your conclusions.

Both doors are operated by pushing on them. This is clear from the crash bars. Both have perceived affordance for pushing. While it’s clear that one would push on the right side of door B it is not clear which side of door A one would choose. This is due to the fact that door B has perceived affordance for where the push should take place.

Computer Science & Information Technology

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A(n) ____________________ contains the definitions of the functions to implement the operations of an object.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

A _____ is a set of programs that enables its user to gain administrator level access to a computer or network.

a. virus b. Trojan horse c. rootkit d. worm

Computer Science & Information Technology