Algorithm workflow basics: most algorithms begin by doing which of the following? Select the best starting step.

Introduction / Context:
Algorithms transform inputs into outputs through defined steps. Before processing or displaying anything, the algorithm must acquire its inputs (from the user, a file, or an external system). Hence, input acceptance is generally the first operational step.

Given Data / Assumptions:

• We consider typical imperative workflow: input -> process -> output.
• Algorithms may validate inputs immediately after reading.
• Edge cases exist (e.g., constant-only algorithms), but the general rule emphasizes input acquisition first.

Concept / Approach:
Without input capture, subsequent computations lack operands. Deferring displays until results exist prevents confusion and improves UX. This sequencing also supports validation, defaulting, or error handling before processing.

Step-by-Step Solution:
1) Acquire inputs: read from keyboard, API, sensors, or files.2) Validate and sanitize: check ranges, formats, and completeness.3) Process according to algorithm steps to derive outputs.4) Display or persist outputs.

Verification / Alternative check:
Most flowcharts and pseudocode templates start with INPUT statements, followed by PROCESS and OUTPUT, aligning with standard instructional patterns.

Why Other Options Are Wrong:
Displaying inputs/outputs before reading or computing is illogical. Entering outputs is nonsensical; outputs are produced, not entered. Processing before accepting inputs is generally impossible.

Common Pitfalls:
Skipping validation after input; this causes downstream errors and brittle logic.

Final Answer:
Entering (accepting) the input items into the computer.