Computing Basics for Tech+

All computers perform a fundamental information processing cycle consisting of four stages: Input, Processing, Output, and Storage. - Input: The computer accepts data from the outside world via input devices. For example, using a keyboard or mouse provides input to the computer. - Processing: The computer's CPU (central processing unit) or other processors handle processing. The computer interprets and manipulates the input data by following instructions (software programs). - Output: The computer outputs the processed information in a human-usable form via output devices.

Start first lesson

4 lessons in this topic

Input: receiving data (e.g. via keyboard, mouse)

Understand: Input: receiving data (e.g. via keyboard, mouse)

Processing: CPU performs calculations on data

Understand: Processing: CPU performs calculations on data

Output: presenting results (e.g. display, printer)

Understand: Output: presenting results (e.g. display, printer)

Storage: saving data for later (e.g. disk, memory)

Understand: Storage: saving data for later (e.g. disk, memory)

Common mistakes to avoid

Jumping into advanced certification depth instead of staying at Tech+ recognition level.

Choosing a related term without checking the exact device, service, or user need in the scenario.

Memorizing isolated definitions without connecting them to simple workplace examples.