Mikhail is working in an IDE and needs to test a program one step at a time to find and fix errors. What tool should he use?

d e b u g g e r

Explanation:

They are known to be a computer-based program that is usually utilized by  for the purpose of testing and debugging a target program. They make use of simulators that are set by instructions to run a program instead of directly running a program on the processors. This enables the programmers to have higher control over the execution of the program and fix any errors in the program.

bro these r easy u may have to do them urself bro. lol jk the answer is two for nimber one, and for question number two sahel boi xd have fun get rekt m8

answer; they are called (pebbling);