The method of going online that requires the user to be no more than about 3 miles from a phone company central switching office is ________.
A. dial-up modem
B. DSL
C. T1 line
D. satellite
Answer: B. DSL
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Answer the following statements true (T) or false (F)
1. Attempting to instantiate an object of an abstract class is a logic error. 2. All objects of a class are guaranteed to provide the functionality described by any interface that the class implements. 3. An interface describes a set of methods that can be called on an object and it provides concrete implementations for the methods. 4. Objects of unrelated classes that implement the same interface can respond to the method calls of that interface polymorphically. 5. If a class leaves one method in an interface undeclared, the class is implicitly declared by Visual Basic as a MustInherit class.
The ________ symbol cannot be used to name identifiers.
Fill in the blank(s) with the appropriate word(s).
The syntax for the IFERROR function is =IFERROR(value, value_if_true)
Indicate whether the statement is true or false
Explain the use of hash algorithms to verify the integrity of lossless compressed data.
What will be an ideal response?