Which of the following errors will occur when attempting to assign a real value to an integer variable?
a. integer value error
b. type mismatch error
c. conversion error
d. assignment error
b. type mismatch error
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In the C++ statement pay = rate * hours; the * symbol is an example of
A) an operator. B) an operand. C) a variable separator. D) syntax. E) none of the above.
Answer the following statements true (T) or false (F)
1. The following are equivalent While and Until statements. While (num > 2) And (num < 5) Until (num <= 2) Or (num >= 5) 2. A Do…Loop Until block is always executed at least once. 3. A counter variable is normally incremented or decremented by 1. 4. The following program uses a counter variable to force the loop to end. ``` Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim r As Double = 1 Dim t As Double = 0 Do While (t < 5000) t = 2 * t + r r += 1 lstBox.Items.Add(t) Loop End Sub ``` 5. The value of the counter variable should not be altered within the body of a For…Next loop.
Explain why the RPC interface to early implementations of NFS is potentially insecure. The security loophole has been closed in NFS 3 by the use of encryption. How is the encryption key kept secret? Is the security of the key adequate?
What will be an ideal response?
Match the following terms to their meanings:
I. SmartArt Styles II. WordArt III. Fill color IV. Line color A. combinations of formatting effects applied to SmartArt graphics B. a gallery of text styles C. the outside color of an object D. the inside color of an object