MCQ 4

• Q19
• Q21
• Q30
• Q41
• Q47

Q19

C is incorrect because the databse doesn’t store information about age. A is correct because the database stores information on item identification numbers and quantities.

Q21

C is correct because the cost of a given product is not tracked by the described search engine.

Q30

A is the correct answer, thats just the next number in the sequence.

Q41

C is correct because using this procedure would allow the student to identify the location where a negative value occurs, and then change that value to 0. This process can continue with repeated calls to the procedure until there are no more negative values.

Q47

B is correct because the binary search algorithm starts at the middle of the list and repeatedly eliminates half the elements until the desired value is found or all the elements have been eliminated.