"Lithium ion" is used in your cellphone.
The answer is D, because it's called a back-up.
Jpg is what I use for my audio and images
Answer:
I don't think so. In today's computer era, many different solution directions exist for any given problem. Where OOP used to be the doctrine of choice, now you would consider it only when the problem at hand fits an object-oriented solution.
Reason 1: When your problem can be decomposed in many different classes with each many instances, that expose complex interactions, then an OO modeling is justified. These problems typically produce messy results in other paradigms.
Reason 2: The use of OO design patterns provides a standardized approach to problems, making a solution understandable not only for the creator, but also for the maintainer of code. There are many OO design patterns.
Answer:
The statement is true.
Explanation:
Blackboard is the online learning platform, where students can take the courses in which they are interested. An account has been created against the student as user. An email and password has been provided to the student to ensure their privacy.
Whenever the student try to login for taking course, he should login with the help of username that is email address and a password that is set by student.
