Same reasons as why people feel differently toward real life. It depends on your activities on Internet, and the kind of environment you spent in it, mainly how other users interacted you.
Answer:
B And A
Explanation:
B: The controller renders a responce it can be seen as a manager and other parts are its workers and makes sure that other parts are "working" well
A backdoor is a typically covert method of bypassing normal authentication or encryption in a computer, product, embedded device (e.g. a home router), or its embodiment (e.g. part of a cryptosystem, algorithm, chipset, or even a "homunculus computer" —a tiny computer-within-a-computer such as that found in Intel's AMT technology).Backdoors are most often used for securing remote access to a computer, or obtaining access to plaintext in cryptographic systems. From there it may be used to gain access to privileged information like passwords, corrupt or delete data on hard drives, or transfer information within autoschediastic networks.
the answer is True
i hope it will help you