2019 - JAMB Commerce Past Questions and Answers - page 6

Services are made up of direct services and indirect services.

Construction - the assembling of manufactured products into forms 

The basic difference between analog and digital computers is the type of data they process. Digital computer process data which is binary, i.e. in the form of 0 and 1. Analog computers operate on mathematical variables in the form of physical quantities that are continuously varying. More

Random-access memory is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory. Wikipedia

Accident insurance is a type of insurance where the policy holder is paid directly in the event of an accident resulting in injury of the insured. The insured can spend the benefit payment however they choose. Accident insurance is complementary to, not a replacement for, health insurance. Wikipedia

In marketing, the promotional mix describe a blend of promotional variables chosen by marketers to help a firm reach its goals. It has been identified as a subset of the marketing mix. Wikipedia

In marketing, publicity is the public visibility or awareness for any product, service or organization. It may also refer to the movement of information from its source to the general public, often via the media. Wikipedia