Which statement is false?
a. A linked list is a linear collection of self-referential class objects called nodes connected by reference links.
b. A linked list is appropriate when the number of data elements to be represented in the data structure is unpredictable.
c. A linked list is a fixed-size data structure.
d. By convention, the link reference in the last node of a list is set to null to mark the end of the list.
C
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A check box control named chkFirst contains the following code in its CheckedChanged event procedure. Which of the following is true concerning the use of this control?
``` Dim message As String = "hello' MessageBox.Show(message) ``` (A) The message "hello" will appear when the user checks the control but not when it is unchecked. (B) The message "hello" will appear when the user unchecks the control but not when it is checked. (C) The message "hello" will appear when the user checks the control and again when it is unchecked. (D) The message "hello" will not appear using this code.
When the formula =$A$3+$A$4 in cell A5 is copied to cell B7, the formula is ____.
A. =$A$3+$A$4 B. =$B$5+$B$6 C. =A3+A4 D. =$B$3+$B$4
The Excel operator for division is ____.
A. / B. \ C. % D. ^
Payroll uses time card data to do all of the following except
A. prepare the payroll register B. update employee payroll records C. prepare the labor distribution summary D. prepare paychecks