CompTIA A+ Question J-26

After installing a bar code reader, which of the following is commonly done to configure the reader?

A. Scan in program codes
B. Enable the code reader in the BIOS
C. Use Device Manager to enable I/R ports
D. Adjust jumper switches

Correct Answer: A

Explanation:
To enable the bar code reader to function optimally, you need to scan in program codes so that it can identify the objects later on.