Which of the following is not a disadvantage of trying to modify a sequential access file?
a. Modifying data can potentially destroy other data.
b. It may be necessary to rewrite every record in the file to make a slight change.
c. Things that are stored in the same number of “raw data” bytes internally may not take up the same amount of space in a file.
d. Overwriting a record with another record of the same size is very difficult.
d. Overwriting a record with another record of the same size is very difficult.
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Draw horizontal and vertical lines on a picture with 10 pixels between the lines.
This is simple enough to do as it simply means taking Program 87 and changing both 5’s to 10’s. Like so:
In a database, a text field capable of holding complete paragraphs has a ________ data type
A) long text B) document C) paragraph D) hypertext
You can press the ____ keys to distribute selected objects to individual layers.
A. Shift+D B. Ctrl+Shift+D C. Ctrl+Esc D. Ctrl+F4
The ____ file permission category in UNIX/Linux systems typically entails all permissions and is designated by the letter u.
A. Group membership B. All C. Ownership D. World