The Show/Hide button is used to display the ________ marks
Fill in the blank(s) with correct word
formatting
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Answer the following statements true (T) or false (F)
1. One major difference between PHP and JavaScript is that PHP has no logical operators. 2. While PHP allows if, if...else, and if...elseif constructs, it does not have a switch statement. 3. Both the echo construct and the print() method can be used to display the results of PHP code on a screen. 4. In PHP it is possible to add an element to an existing array without indicating an index value. 5. The preg_match() function is used to search for a specific pattern of characters.
An uncaught exception in a function causes that function to be _________ from the function call stack.
Fill in the blank(s) with the appropriate word(s).
The most common way for a virus to spread is by __________
a. Use of your email contacts b. Scanning your computer for network connections and copying itself to other machines on the network c. Locating Linux machines d. None of the above
Arrow keys can manipulate a JSlider object. Which of the following statements does not correctly describe how the arrow keys are used?
a. The left-arrow and right arrow keys decrease or increase (respectively) the thumb of the JSlider by 1. b. The down-arrow and up-arrow keys decrease or increase (respectively) the thumb of the JSlider by 1. c. The PgDn and PgUp keys decrease or increase (respectively) by block increments of one-tenth of the range of values. d. The Home key and End key move the thumb to the maximum or minimum (respectively) value of the JSlider.