Answer
TRUE
Explanation
A computer virus is a self-replicating program which are malicious and are designed to infect and gain control over a computer without the owner's knowledge.
To protect your computer from viruses especially when downloading files from the internet, it is advisable for one to perform regular windows security updates. This is because because windows have malware definitions to its windows defender and security essential utilities.
Answer:
To index web pages for quick retrieval of content
Explanation:
ap3x verified
A lot of people use google and on all search engines the sites are ordered in what people click on the most. Popularest website that fits in with the key words and different people used different websites and different search engines
Reduction in the contribution to ozone depletion and reduced Global Warming Potential - <span>Both gases CFC and HFC gases are used as refrigerants in car air conditioning systems (A/C-systems). However, </span><span>hfc-134a a/c systems were built to be environment friendly and reduced the Global Warming Potential (GWP) by more than 80%.</span>
