When you change the height of a photo, PowerPoint automatically changes the width to maintain the photo's proportions between height and width.
Answer the following statement true (T) or false (F)
True
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The array subscript operator [], when overloaded, cannot:
a. Be used with linked list classes. b. Take a float as an operand. c. Take multiple values inside (e.g., [4,8]). d. Take user-defined objects as operands.
Discuss what you consider to be the four most important advantages and the four most important disadvantages of the World Wide Web as a distributed information system. Justify your selection in each case.
What will be an ideal response?
Which of the following kinds of scanners works in a manner similar to a copy machine except it creates a file of the document in memory instead of a paper copy?
A. drum B. baseline C. roller D. flatbed
Joe is exchanging encrypted email with another party. Joe encrypts the initial email with a key. When Joe receives a response, he is unable to decrypt the response with the same key he used initially.Which of the following would explain the situation?
A. An ephemeral key was used for one of the messages B. A stream cipher was used for the initial email; a block cipher was used for the reply C. Out-of-band key exchange has taken place D. Asymmetric encryption is being used