______________ is work done on a program after it has been put into operation.
A. Class specification
B. Class implementation
C. Operation implementation
D. Maintenance
D
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ICMP is used to handle errors and exchange control messages on a network.
Answer the following statement true (T) or false (F)
Match the following terms to their meanings:
I. Data series II. Data point III. Legend IV. Cell reference V. Data marker A. identifies the patterns or colors assigned to the data series B. letter and number of intersecting column and row C. an individual pie slice on a pie chart D. a value that originates in a cell E. related data points
To improve performance, you should call the ____ method of the XMLHttpRequest object to cancel any existing HTTP requests before beginning a new one.
A. exit() B. abort() C. cancel() D. delete()
Which keyboard shortcut displays the Save As dialog box?
A) Shift + S B) F2 C) F12 D) Ctrl + S