____ conveys meaning and is useful to one or more people.
A. Information
B. Data
C. Software
D. Hardware
Answer: A
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Provide a brief summary of the argument against scoring essays by computer.
What will be an ideal response?
The free storage area of a computer is formally referred to as the heap.
Answer the following statement true (T) or false (F)
Suppose a phone book contains 500 pages, and each page can contain up to 500 records. Suppose we want to search for a particular name in the book. Give a worst-case bound on the number of pages that must be looked at to perform a search using each of the following methods:
(i) linear search, as if the book were organized as a heap file, (ii) binary search, using the fact that the book is ordered by names, (iii) with an index for the name of the rst entry on each page.
Which of the following is a request for specific data from a database?
A. query B. index C. ask D. inquiry