Answer:
A.
Explanation:
A is the answer..
This is because you can use a private browser for safety precautions so no hackers would target you and steal your personal information. Also the other options make no sense at all. Option B states that you can use the same strong password for all online accounts and that's not good. It's not recommended because hackers or other people on the dark web can hack into your accounts and steal your data. Option C states that you must make sure http: and an open padlock displays on the address bar. This means that your connection is insecure and people can track you down. Option D is a good thing to do but option A is the best option overall. It's the right step to take when making online purchases <3
Health care system and school system
Answer:
The change in complex systems can be explained according to the relationship of the environment where the system is implemented.
The system environment is dynamic, which consequently leads to adaptation to the system, which generates new requirements inherent to changes in business objectives and policies. Therefore, changing systems is necessary for tuning and usefulness so that the system correctly supports business requirements.
An example is the registration of the justification of the requirements, which is a process activity that supports changes in the system so that the reason for including a requirement is understood, which helps in future changes
Explanation: