Answer:
NAT
Explanation:
Network Address Translation (NAT) allows nonroutable IP prefixes to hide behind a routable address.it translates IP addresses and ports of its internal hosts, hiding the true endpoint of an internal host on a private network.
Using NAT in this way allows network engineers to efficiently route internal network traffic to the same resources, and allow access to more ports, while restricting access at the firewall.
is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.

Answer:
Algorithms.
Explanation:
Computer system is an electronic machine that receives input data, processes or executes these data and outputs the results. It comprises of two parts, the hardware and software components.
The computer receives data created by a process and inputted by individuals. The software components are the operating system and the application softwares running in the operating system. The application software follows a well defined stages of task to execute a task. This is called algorithm.
The application uses the algorithm to execute the task on the input data to give the required result.
Answer:
B
Explanation:
It's B because why would it me made to play video games
Answer: using video conferencing, electronic meeting systems, and groupware
Explanation:
Green computing simply means the use of computer in a way that's environmental friendly.
One way to achieve this is through using video conferencing, electronic meeting systems, and groupware. This allows the use of computers not to have a negative effect on the environment.