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.
Computer Science & Information Technology
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The fiber-optic cables that span the globe over land and under sea make up the Internet _____.
A. ultrastructure B. backbone C. layer D. protocol
Computer Science & Information Technology
In Access, you encrypt a database and set a password using two separate commands.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology