why would computer programmers want to use an object to change the instructions they already created in a computer program?

When designers make compromises during the engineering design process the result is often what?

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2

What multimedia system creates an immersive, real-life experience that the user can interact with?