Answer: d. Run a virus scan
Explanation: Running a virus scan will reveal if the trojan virus or any other malware has been launched and the clearing the virus when detected. These will make the computer to start working well again. The unexplainable processes that started when the computer was rebooted can be viruses.
Answer:
Alice's public key
Explanation:A Public key is a key that can be used for verifying digital signatures generated using a corresponding private key which must have been sent to the user by the owner of the digital signature.
Public keys are made available to everyone required and they made up of long random numbers.
A digital signature signed with a person's private key can only be verified using the person's private key.
Answer:
Explanation: search engine uses system algorithm to search out items or information as required by the user. Example is google, chrome.
Data base are archives where information could be retrieve. Its contain information such as publications, abstract,journals.
Search engine provides wide range of information depending on you request while database are mostly for academics related materials.
Data base- A good place to generate this information is library, archivals while journal, publiications are kept while search engine can be used anywhere you have an internet facilities.
In a data base, information is searched in an organized way. The collections are already well arranged in different cubicle search engine provides wide range of information not organized.
Data base may contain more complex information not easily understood, search engine provides more elaborate answers.
Similarity of the two is that they both provide information.
They are both reliable.
School library is an example of where journals and publication are kept and can be retrived.