An ancestor of today's Internet was _____________.
(a) ARPAnet
(b) e-mail
(c) PHP
(d) TCP/IP
(a) ARPAnet
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______________ is an operating system for mobile devices based on the Linux kernel and Java.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is false?
a. A catch block declares a type and an exception parameter name. b. Inside the catch block, you can use the parameter’s name to interact with a caught exception object. c. When a program is executed, array element indices are checked for validity—all indices must be greater than 0 and less than or equal to the length of the array. d. If an attempt is made to use an invalid index to access an element, an ArrayIndexOutOfBoundsException exception occurs. Ans:
Answer the following statements true (T) or false (F)
1. The last element of an array named monsters that has eleven elements is monsters[11]. 2. The length property can only be used to find the number of characters in a specified array element. 3. The following statement loads an array named tens with the values 10, 20, 30, 40,and 50, given that the numeric variable x has the value of 10: ``` var tens = new Array[(x * 1),(x * 2),(x * 3),(x * 4),(x * 5)]; ``` 4. A two-dimensional array can always be used as a substitute for two parallel arrays. 5. The statement: ``` monsters.push("ogre"); ``` will add an element with the value "ogre" as the last element of an array named monsters.
A higher tolerance erases pixels within a range of color values very similar to the pixel you tap or click when you use the Magic Eraser.
Answer the following statement true (T) or false (F)