question mark (?) after an element in a DTD means that:
a) there are many occurrences of that item.
b) there could be any number of occurrences of that item.
c) the item can appear at most once.
d) All of the above
c) the item can appear at most once.
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The __________ property determines whether or not a control is active.
Fill in the blank(s) with correct word
A class that implements an interface but does not declare all of the interface’s methods must be declared ________.
a. public. b. interface. c. abstract. d. final.
A(n) ________ is prewritten in Excel 2016 to look at one or more values, perform an operation, and then return a value
A) underlying value B) formula C) displayed value D) function
Information is ________ using a key. In Access, the key will be a password. In other applications, the key can be a separate file
A) decrypted B) secured C) encrypted D) shared