Computer-based Training Computer-based Tutor (CBT) or Computer-based Instructions (CBI) are synonymous words used for multimedia tutors.

CBT word was used till 2010. After that, it's called eLearning or content development, etc. This CBT word is basically used for the defense domain in India.

CBT is a computer-based training developed using various multimedia tools to create graphics, image editing, animation 2d/3d, and videos, etc.

As per the deliverable, every vehicle, system subsystem, or any physical component which is being delivered to Defence needs Training Aids.