Why do computers use zeros and ones?
a. because combinations of zeros and ones can represent any numbers and characters.
b. because digital devices have two stable states and it is natural to use one state for 0 and the other for 1.
c. because binary numbers are simplest.
d. because binary numbers are the bases upon which all other number systems are built.
b
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Which of the following statements is false?
a) Extension methods add functionality to a type by modifying the type’s source code. b) LINQ capabilities are implemented as extension methods. c) Preceding an object parameter that’s the first parameter in the method header with the this keyword indicates that the method extends an existing type. The compiler uses this information to add code into the compiled program that enables extension methods to work with existing types. d) The type of an extension method’s first parameter specifies the type that you’re extending.
The BindingNavigator control can only be used to add, delete, and save records.
Answer the following statement true (T) or false (F)
During a presentation, you can use the buttons in the ________ corner of the slide to navigate through the slides, write on the slide with the PowerPoint pen or highlighter, or switch to another program.
A. upper-left B. upper-right C. lower-left D. lower-right
What tag pair is used to create the largest heading?
a. ```