EDPT (Electronic Data Processing Test) 2

Question 1

In a relational database, what term describes the column(s) in one table that reference the primary key of another table?

Accepted Answer

Foreign key

Answer

A foreign key is a column or set of columns in one table that references the primary key in another table, enforcing referential integrity.

Question 2

Which number system uses only the digits 0 and 1?

Accepted Answer

Binary

Answer

The binary number system (base-2) uses only two digits: 0 and 1, and is fundamental to digital computer operations.

Question 3

What does RAM stand for in computer terminology?

Accepted Answer

Random Access Memory

Answer

RAM stands for Random Access Memory, the volatile short-term memory a computer uses to store data currently being processed.

Question 4

A file contains 4,096 bytes. How many kilobytes is this?

Accepted Answer

4 KB

Answer

1 kilobyte = 1,024 bytes, so 4,096 ÷ 1,024 = 4 KB.

Question 5

Which type of software coordinates hardware resources and provides services to application programs?

Accepted Answer

Operating system

Answer

An operating system manages hardware resources and provides a platform on which application programs can run.

EDPT - Electronic Data Processing Test Practice Test