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The algorithms that describe information processing can also be represented as information.

Magnetic storage media, such as tapes and hard disks, allow bit patterns to be stored as patterns on a magnetic field.

Information is stored as patterns of bytes (1s and 0s).

When using a computer, human users primarily interact with the memory.

The most important example of system software is a computer’s operating system.

Informally, a computing agent is like a recipe.

The part of a computer that is responsible for processing data is the central processing unit (CPU).

A programmer typically starts by writing high-level language statements in a text editor.

An algorithm describes a process that ends with a solution to a problem.

An algorithm solves a general class of problems.