Answer:
The correct answer to the following answer will be iOS.
Explanation:
The iOS formerly stands for iPhone Operating System, basically is a mobile operating system developed by Apple Inc. This edition mainly supports Apple devices such as iPhone, iPod touch, iPad, etc.
Just because of this iOS gives the improvement to the entire application and is one of the operating systems which requires all that applications to be approved before showing availability in the App stores.
So, iOS is the right answer.
Not a Question so how am i supposed to help with this problem
A series of instructions written in a programming language for a computer to follow is referred to as a computer program.
<h3>
What is program?</h3>
Software, which also contains documentation and other intangible components, comprises computer programs as one of its components.
The source code of a computer program is the version that can be read by humans. Since computers can only run their native machine instructions, source code needs to be run by another software.
Using the language's compiler, source code may be converted to machine instructions. (An assembler is used to translate programs written in machine language.) An executable is the name of the generated file.
Therefore, A series of instructions written in a programming language for a computer to follow is referred to as a computer program.
To learn more about program, refer to the link:
brainly.com/question/11023419
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the opening tag for an HTML document
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