A(n) ____ loop is one that never ends.
A. broken
B. infinite
C. variable-condition
D. fixed-count
Answer: B
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A ____________ expression is an expression that can be thought of as being true or false.
Fill in the blank(s) with the appropriate word(s).
Answer the following questions true (T) or false (F)
1. A Map is a function given as a set of ordered pairs. The first is the key that has to have ordering and the second is any type. The position of a pair in the set is determined by the ordering on the keys. 2. The set container implements only iterator.
Read the following scenario. Provide the command(s) in context of the environment established in the scenario. Write your answers on the line under each question.
1. Make 2 new directories called mydir and backup 2. Copy all files from current directory to backup directory 3. Move all files from current directory to mydir directory 4. Change to mydir directory 5. List files which have .cpp extension 6. List all files with prefix file 7. List all files with postfix file 8. List all files that start with the letter W or w 9. Delete file1, file2, file3, and file4 using one command line 10. Delete all files with postfix .cpp, and ask for confirmation before deletion 11. Change file1 name to oldfile1 12. Change to your home directory 13. Remove mydir directory (note: you have files in mydir directory) 14. Change to backup directory and delete all files 15. Remove all files from the backup directory
____ are useful is you are not familiar with computers or if you feel your computer might need replacement parts due to wear and tear.
A. Extended warranties B. Surge suppressors C. Encrypting file systems D. Optical storage technologies