How many read and write heads does a mechanical hard drive have?
A) 2
B) 4
C) 6
D) Depends on drive model
D
Computer Science & Information Technology
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What is not one of the six guidelines for creating fields?
A) Think of what needs you might have in the future B) Link the tables on related fields C) Determine the primary keys D) Store data in as large of number of parts as possible
Computer Science & Information Technology
Which binary operator returns 0 if both numbers it compares are the same and returns 1 if the numbers it compares are different?
a. XOR b. OR c. AND d. ROT13
Computer Science & Information Technology