Before replacing an image drum, what should you do first?
A. unplug it and allow the printer to cool down
B. send several test pages to the printer right before replacing the drum
C. empty the paper tray
D. reset the printer to factory defaults
Answer: A
Computer Science & Information Technology
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Variables should be declared as fields only if ________.
a. they are local variables b. they are used only within a method c. they are required for use in more than one method or their values must be saved between calls to the class’s methods d. they are arguments
Computer Science & Information Technology
Modify the program in the previous exercise so that it reads the name of the file from the keyboard.
What will be an ideal response?
Computer Science & Information Technology