A battery is a collection of electrochemical cells. If the cells are connected in series, the voltage of the battery will be the sum of the cell voltages. For example, a 12 volt car battery contains six 2-volt cells connected in series.
An analyst is an individual who performs analysis of a topic. The term may refer to one of the following professions: Accounting analyst, an accounting analyst evaluates and interprets public company financial statements. Business analyst, an employee who examines the needs and concerns of clients and stakeholders to determine where potential problems and opportunities lie, known also as a Business Systems Analyst in business.
A systems analyst is an IT professional who specializes in analyzing, designing and implementing information systems. Systems analysts assess the suitability of information systems in terms of their intended outcomes and liaise with end users, software vendors and programmers in order to achieve these outcomes. systems analyst is a person who uses analysis and design techniques to solve business problems using information technology.