EDPT (Electronic Data Processing Test) Quiz 5

Question 1

Which of the following describes an algorithm with O(n²) time complexity?

Accepted Answer

Execution time increases proportionally to the square of the input size

Answer

O(n²) means execution time grows proportionally to the square of the input size n.

Question 2

In the context of databases, what does 'normalization' primarily aim to reduce?

Accepted Answer

Data redundancy and update anomalies

Answer

Normalization organizes database tables to minimize data redundancy and prevent insertion, update, and deletion anomalies.

Question 3

A switch statement evaluates a variable with value 3. Cases are defined for 1, 2, and 4. What typically happens?

Accepted Answer

The default case executes (if defined)

Answer

When no case matches, a switch statement executes the default block if one exists.

Question 4

What is the purpose of a checksum in data transmission?

Accepted Answer

To verify data integrity by detecting transmission errors

Answer

A checksum is a calculated value appended to data that the receiver uses to detect errors introduced during transmission.

Question 5

How many bytes are in 1 kilobyte (KB) using the standard binary definition?

Accepted Answer

1,024

Answer

In binary computing, 1 kilobyte = 2¹⁰ = 1,024 bytes.

EDPT - Electronic Data Processing Test Practice Test