A popular way to learn about computers without ever going to a classroom is called ........

Explanation:

Answer: A. E-learning

ELearning, or electronic learning, is the delivery of learning and training through digital resources. Although eLearning is based on formalized learning, it is provided through electronic devices such as computers, tablets and even cellular phones that are connected to the internet. This makes it easy for users to learn anytime, anywhere, with few, if any, restrictions.

Basically, eLearning is training, learning, or education delivered online through a computer or any other digital device.