Concept:Spyware is software designed to secretly observe and collect information about a person or organization without permission.
Explanation:The given definition directly describes the main purpose of spyware.
Such a program runs in the background and records activities such as keystrokes, browsing habits, or personal details.
The key words are “without knowledge or consent,” which match the hidden nature of spyware.
Adware is mainly used to display unwanted advertisements, so it does not fit the description.
A time bomb is a malicious program that activates on a specific date or event, not one that continuously gathers data.
Malware is a broad term for all harmful software, including spyware, viruses, and worms.
Because the question asks for the specific name of a program that secretly gathers information, spyware is the most accurate choice.
Answer:D. Spyware