When you declare a variable that refers to an object of a given class, you are creating a(n) ______ to the object.
a) interface
b) reference
c) method
d) ADT
b.
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Given the code below
``` var rectangleA = { x: 200, y: 10, width: 40, height: 20, moveDown: function () { this.y += 5; } }; ``` (i) write a statement to change the x value of rectangleA to 150. (ii) write a statement to invoke the method moveDown() on rectangleA.
The association of an identifier in a program with a machine address is called a ______.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. Under Windows, deleted files or folders are not permanently removed from the computer until you empty the recycle bin. 2. Windows XP has a command line interface that provides access to MS-DOS line commands. 3. The Windows Scripting Host (WSH) allows users to launch MS-DOS batch files. 4. XP makes it easy to write to a CD, in effect treating a CD drive much like a hard disk drive. 5. Windows was the first commercially successful graphical user interface.
What is the command used to check the interface status?
What will be an ideal response?