Which of the following statements is true?
a. The UML models a parameter of an operation by listing the parameter name, followed by a colon and the parameter
value between the parentheses after the operation name.
b. The UML indicates an operation’s return type by placing a colon and the return value after the parentheses following
the operation name.
c. UML class diagrams do not specify return types for operations that do not return values.
d. Declaring instance variables public is known as data hiding or information hiding.
c. UML class diagrams do not specify return types for operations that do not return values.
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Which of the following data structures uses a sentinel?
a. binary heap b. hash table c. queue d. stack e. none of the above use sentinels
How long does a DHCP client wait until it attempts to renew its lease?
What will be an ideal response?
The ____ functions return the file position marker’s offset value.
a. offset() b. where() c. seek() d. tell()
What is the contrast ratio in relationship to an LCD?
A) The maximum angle you can view the LCD and still see the entire image B) The measurement of light intensity between the brightest white and the darkest black C) The amount of light the monitor can produce D) The time it takes a pixel to change colors