_____ is a Microsoft Access tool that makes it easy for you to create a mathematical expression.?
A. Expression Builder?
B. ?Expression Setup
C. ?Expression Engine
D. ?Expression Filter
Answer: A
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Given the function prototype and variable declarations, which of the following is a valid function call?
void tryOut ( int, char, int&, float&); // function prototype int a = 4, b = 0; //variable declarations float y; char c; a) tryOut (3, ‘a’, 5, y); b) tryOut (a, c, a * b, y); c) tryOut (8, ‘t’, b, 7.8); d) tryOut (a + b, ‘b’, b, y);
Which of the following statements is used when you want to add data to the end of an existing text file?
(A) ``` Dim sr As IO.StreamReader = IO.File.OpenText("Data.txt") ``` (B) ``` Dim sr As IO.StreamReader = IO.File.AddText("Data.txt") ``` (C) ``` Dim sw As IO.StreamWriter = IO.File.CreateText("Data.txt") ``` (D) ``` Dim sw As IO.StreamReader = IO.File.AppendText("ata.txt" ```
You should add a button to a form that will submit the form for processing, and a button to clear the form in case the user needs to erase the information and start over.
Answer the following statement true (T) or false (F)
A virus signature is a portion of virus code that is unique to a particular computer virus.
Answer the following statement true (T) or false (F)