?A(n) _____ is a graphical model of an information system that depicts the logical relationships and interaction among system entities.
A. ?entity-relationship diagram (ERD)
B. ?illustration flow chart
C. ?query relationship diagram (QRD)
D. ?data chart
Answer: A
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Which of the following statements is false?
a. To ensure that the operands in a mixed-type expression are of the same type, Java performs implicit conversion on selected operands. b. Cast operators are unary operators. c. Cast operators associate from right to left and are one level lower in precedence than the multiplicative operators. d. Cast operators are formed by placing parentheses around the name of a type.
What is a disadvantage of synchronizing your data to a personal computer (or laptop)?
What will be an ideal response?
Social media services such as Facebook emphasize _______ over the other six factors found in social media honeycombs.
Fill in the blank(s) with the appropriate word(s).
Jerry has received an email on his company’s email system. The email is in regard to a new update the company plans to implement. The administrators are requesting that everyone send their username and password so that the administrators can compile a list and avoid having everyone change their passwords. ? What type of attack is this?
A. Spear phishing B. Impersonation C. Shoulder surfing D. Tailgating