7.1 Why would keylogger software not have any harmful effects if it is installed on a computer that is never networked or connected to the Internet? 7.2 Green computing is every user's concern - NSC Computer Application Technology - Question 7 - 2017 - Paper 2

Green computing refers to using computers and other technology in a way that is environmentally friendly. This includes minimizing energy consumption and waste production, ensuring that hardware is manufactured and disposed of responsibly.

1. They contain poisonous materials that can harm the environment.
2. Disused devices can lead to pollution of water and soil if not disposed of properly.

1. Telecommuting allows employees to work flexible hours, which can improve productivity and job satisfaction.
2. It reduces the need for large office space and expenses related to physical infrastructure.

Phishing is an attempt to trick a user into giving out sensitive information by sending fraudulent emails that appear legitimate. Updating antivirus software may not help because there is no specific code or signature for the phishing scheme, allowing it to bypass traditional detection methods.

1. Ensure that you have permission from the connection owner to use their Internet.
2. Be aware of the possibility that your online activity could be monitored by the connection owner.