<span>D. Make changes to your code
Variables allow the ability to easily substitute numbers for other numbers.
</span>
Answer: Operating system
Explanation:
The operating system is the type of software that are responsible for manage the processor time and also the memory allocation in the system. The operating system mainly deals with the processor time by scheduling the processor work done in the system.
The OS mainly control the system and then schedule the execution of various types of function by the central processing system (CPU). It also control the memory allocation in the system.
She needs to use animations to enhance her presentation
After a system is released and the user base grows, the demands on the development and support team will increase.
The development team can scale vertically by adding new people to the team.
