You may want to block a specific email address or ____ to prevent people or companies from sending you messages you do not want to receive.
A. country of origin
B. domain
C. server
D. html code
Answer: B
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Which of the following statements about regular expressions is false.
a. Both "A*" and "A+" will match "A", but only "A*" will match an empty string. b. "\d" matches any decimal digit. c. The pattern "[aeiou]" matches any vowel. d. The quantifier ? in a regular expression matches one or more occurrences of the preceding pattern.
What is wrong with the following Do loop?
``` Dim index As Integer = 1 Do While index <> 9 lstBox.Items.Add("Hello") index += 1 Loop ``` (A) The test variable should not be changed inside a Do loop. (B) The test condition will never be true. (C) This is an infinite loop. (D) Nothing
A(n) ____________________ list is a list of terms, each followed by a description line.
Fill in the blank(s) with the appropriate word(s).
Jordan likes to use his smartphone in his car. He uses it as a navigation device and connects it via Bluetooth to listen to music. He has purchased accessories that allow him to see his smartphone while he is driving. On a very cold day, and after driving for several minutes, Jordan receives a warning from his smartphone that it is overheating and needs to shut down. When he touches his smartphone, it is hot. What might cause Jordan’s smartphone to overheat?
A. Bluetooth receiver is causing the smartphone to overheat. B. The GPS receiver is causing the smartphone to overheat. C. The smartphone is located too close to the car’s heat vent. D. The screen has been active too long.