Final answer:
Programmers write code using IDEs and utilize variables to store and manipulate data. They employ various programming techniques to interact with the CPU and memory.
Explanation:
Programmers can write code using an Integrated Development Environment (IDE), which is software that allows them to write, edit, compile, and debug code.
A variable in programming represents a memory location where data can be stored and changed during program execution.
Examples of activities programmers engage in include writing programs, using conditional execution, functions, and iterations to communicate with the Central Processing Unit (CPU) and memory.
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