What do English abbreviations PM, RD, QA and OP mean?

1, PM: product manager, also known as brand manager. From creativity to listing, all related R&D, research, production, budget, advertising and promotion activities are controlled by the product manager.

2.RD: R&D engineer, a professional worker who systematically studies and develops something that doesn't exist and has some experience, or a professional worker who improves something that already exists to achieve the purpose of optimization. ?

3.QA: quality assurance, quality assurance. The main responsibility of QA is quality assurance.

4.OP: operator, operator and administrator.

Extended data 1, PM (project manager), project supervisor or project manager, who is mainly responsible for the overall planning of project schedule and product life, and his work functions are directly responsible to the company's top management. As a project manager, the project manager usually participates in the management and decision-making of one or more projects.

2, RD, R&D engineer, as an R&D engineer, you must first have a strong curiosity, which is a necessary condition to become a master. I like new things, I like asking questions, and I like studying for fun.

Do things carefully and consider the problem comprehensively. Technical work must not be sloppy, otherwise there will be many problems and endless future troubles. It even has a significant impact on production and product quality, causing significant economic losses to the company.

3. Quality assurance: Quality assurance is a comprehensive and effective quality management activity of enterprises; For the outside of the enterprise, providing evidence to all interested parties is an activity. QA is a system that includes all departments of manufacturing enterprises to ensure the production of high-quality products.

4.OP: The operator is the person responsible for maintaining the SQL SERVER system. The operator can be operated by one person. In a large enterprise with many servers, the operator can also be held by many people.

References:

Baidu Encyclopedia -PM Project Management

Baidu encyclopedia-r&d engineer

Baidu encyclopedia -QA

Baidu encyclopedia-operator