Answer:
The best example for the DBMS is certainly the Microsoft Access. And various examples of RDBMS are MySQL, Sql Server, Amazon DynamoDB and so on. However, its essential to understand the difference between the RDBMS and the DBMS. The main difference between the two is certainly that in the RDBMS the application stores the data in tabular manner, and DBMS the data is stored as files. In the RDBMS the tables comes with identifier known as primary key, and the data values are being saved in the form of tables.
Explanation:
Please check the answer section.
The gear ratios would look like A:B=1:9 and C:D=1:32 if you are just needing the gear teeth ratio. Not a lot of information to go off of from the question though
Mac OS came out in 2001. This is software that was created by Apple to run the "Mac Computers." This software is still used to this day.
MS-DOS came out in 1981. This is software that was created by Microsoft to run x86 computers. This software is no longer used.
Windows New Technology came out in 1985. This is software that was created by Microsoft to run a ton of different computers. This software is still used to this day.
Windows Vista came out in 2006. This software that was created by Microsoft to run a variety of personal computers. This software is no longer used.
By the information given, Windows Vista was the last to be released.
Best of Luck!
All I will say is good luck. because it can be very difficult to find someone that is willing to do this.