You can use the ____ command to move multiple files from one directory to another at once.
A. mv
B. dir
C. ln
D. grep
Answer: A
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A set of instructions that the computer will follow is called a _____________.
Fill in the blank(s) with the appropriate word(s).
A complete binary tree with N nodes may be stored in an array A of length N by storing the root at A[0], and then storing in successive array locations the nodes of the tree in increasing order of the level of nodes. If nodes in the same level are stored in left to right order, then the node stored at A[k] will be a leaf if and only if
A) 2k+1 ? N B) 2k+1 > N C) k/2 > N D) None of the above
What is an important safety precaution for preventing unauthorized access to your router?
A) Changing the default router password B) Installing antivirus software C) Installing spyware detection software D) All of the above
Since the first days of computers, the phrase "____________________" has described the fact that allowing incorrect input data into a program produces incorrect output.
Fill in the blank(s) with the appropriate word(s).