The <= comparison operator means less than or equal to.
Answer the following statement true (T) or false (F)
True
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The tar command can be used to backup files and directories in a single file and then restore all or some of them on as needed basis. You can also create an archive of files and directories if you need to save and/or send them to someone via e-mail. You normally need to do this to archive files related to a project so that you can transfer them to someone via e-mail, ftp, or a secondary storage media (tape, floppy, or CD-ROM). The primary reason for making an archive is the convenience of dealing with (sending or receiving) a single file instead of a complete directory hierarchy. Without an archive, the sender may have to send several files and directories (a file structure) that the receiver would have to restore in the correct order. Without an archiving facility, depending on the size
What will be an ideal response?
When you don?t need access to a number of ports at once, you can often find a(n) _______________ for whatever you need to connect, such as an optical drive.
Fill in the blank(s) with the appropriate word(s).
Case 2Liz is the web designer for Alotta Cola, and she has been asked to spice up the company website. Because the summer season is approaching, she decides to add some background images of bottles of Alotta Cola and various summer scenes. Why does she decide to use background images?
A. Tiled images take too long to download. B. They provide depth and visual interest to a page. C. It is easier than adding music and animation. D. She thinks that a background image will go well with the background color she has chosen.
The ____________________ key of a table (relation) is the column or collection of columns that uniquely identifies a given row in that table.
Fill in the blank(s) with the appropriate word(s).