How about you prefer no class
Answer:
Quick Communication & Correspondence
Explanation:
Another main advantage of using computers in the education field is the improvement in the quality of teaching-learning process and communication between students & teachers. For this, they use Microsoft PowerPoint to prepare electronic presentations about their lectures.
Answer:
In 2000, a basic internet application cost businesses approximately $150,000 per month. In mid-2016, operating the same application in Amazon's cloud cost approximately $1,000 per month.
Explanation:
The role of cloud services cannot be overemphasized. Providing Infrastructure as a service (IaaS), Platform as a service (PaaS) and Software as a service (SaaS) cost a lot as there were very few cloud service providers and most services were yet to be integrated to the cloud.
But as at 2016, the cost on applications dropped as we have experienced an exponential growth in cloud services and applications, we now have Internet of Things (IoT) and other cloud infrastructure.
Answer:
previousAddition instance variable
Explanation:
In order to accomplish this you would need to add a previousAddition instance variable. In this variable you would need to save the amount that was added at the end of the process. Therefore, if a mistake were to occur you can simply call the previousAddition variable which would have that amount and subtract it from the total. This would quickly reverse the mistake, and can be easily called from the undo() method.
