The secondary key
a. Is unique.
b. May be used to access records.
c. Is used within the record only.
d. Is the same as the primary key.
b. May be used to access records.
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Which of the following data structures facilitate high-speed searching and sorting and efficient elimination of data items?
a) stacks. b) queues. c) binary trees. d) Both b and c.
If a random access file contains a stream of characters, which of the following statements would move the file pointer to the starting byte of the fifth character in the file?
a. file.seek(4); b. file.seek(8); c. file.seek(10); d. file.seek(5);
It is not possible to change the formatting of a slide manually.
Answer the following statement true (T) or false (F)
Emptying the Recycle Bin frees space on the ________
Fill in the blank(s) with correct word