Final answer:
To protect a computer for online purchasing, essential security options include antivirus programs, password management software, and firewall/network security devices.
Explanation:
To protect a computer for online purchasing, several security options are necessary:
- Antivirus Program: This software can detect and remove malicious programs that could compromise sensitive data.
- Password Management Software: Helps create and store complex, unique passwords for secure access.
- Firewall and Network Security Devices: These help prevent unauthorized access and secure data transmissions over networks.
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