The __________ category in the Control Panel allows you to install or uninstall desktop applications.
Fill in the blank(s) with the appropriate word(s).
programs
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Assume that we have a Random object referenced by a variable called generator. Which of the following lines will generate a random number in the range 5-20 and store it in the int variable randNum?
a)``` randNum = generator.nextInt(15) + 5; ``` b)``` randNum = generator.nextInt(15) + 6; ``` c)``` randNum = generator.nextInt(16) + 5; ``` d)``` randNum = generator.nextInt(16) + 6; ``` e) none of the above
If ++x is used in an expression, first the expression is evaluated, and then the value of x is incremented by 1.
Answer the following statement true (T) or false (F)
Match each item with a statement below.
A. Network of robot computers B. A program that usually hides in the OS tools, so it's almost impossible to detect C. A program that disguises itself as a useful program and can install a backdoor or rootkit on a computer D. An attack that uses a large ICMP packet to causes the victim computer to freeze and malfunction E. An attack that prevents legitimate users from accessing network resources F. Attackers inject themselves between two parties or systems communicating with one another G. Hardware devices or software that can be used to capture keystrokes on a computer H. Malicious software introduced into a network to help an attacker accomplish their goals I. Malicious program that attaches itself to a file or another program J. Virus that locks a target system until a demanded fee is paid
Match the following commands to the corresponding descriptions
_____ 1. [Alt] -> _____ 2. [Ctrl-h] k _____ 3. [Ctrl-s] _____ 4. [Ctrl-x] 2 _____ 5. [Alt] l _____ 6. [Ctrl-x] 1 _____ 7. [Ctrl-x] [Ctrl-u] _____ 8. [Ctrl-x] [Ctrl-c] _____ 9. [Ctrl-h] _____ 10. [Alt-d] _____ 11. [Ctrl-x] 3 _____ 12. [Ctrl-x] u _____ 13. [Ctrl-x] [Ctrl-s] _____ 14. [Ctrl-n] _____ 15. [Ctrl-d] a: Saves the current file and exit Emacs. b: Exits Emacs without saving the file. c: Invokes the Emacs Help. d: Explains the function of a particular key. e: Moves the cursor to the next line. f: Moves the cursor to the end of the text. g: Deletes one character. h: Kills the next word after the cursor. i: Undoes the previous editing changes. j: Performs incremental forward search. k Converts a region to upper case. l Converts the next word to lower case. n Splits the current window into two windows (Vertically). m Splits the current window into two windows (Horizontally) o Deletes all windows except the current window.