Order entry technologies: which input methods are used in practice to capture sales order data into an information system?

Introduction / Context:
Sales order processing has evolved through multiple generations of input technology. Modern systems favor direct terminal entry via on-screen forms or APIs, but organizations also use scanning and OCR for mailed or faxed orders. Historically, batches could be keyed via keypunch or keyed entry terminals before online processing was ubiquitous. The question asks which of these methods are used to capture orders.

Given Data / Assumptions:

• We consider both historical and contemporary practices.
• Organizations may use blended approaches depending on customer channels.
• Input accuracy and speed depend on validation rules and interface design.

Concept / Approach:
Terminal entry enables real-time validation and availability checks. Keypunch/keyed batches historically supported deferred processing and may still exist in legacy workflows. OCR digitizes printed order forms and feeds them into order management systems after validation. Because all three are legitimate methods in different contexts, the inclusive option is correct.

Step-by-Step Solution:

Verification / Alternative check:
Order-to-cash implementations frequently integrate multiple intake channels, all converging into a single order database.

Why Other Options Are Wrong:
Each single method is valid but incomplete; “None” is clearly incorrect.

Common Pitfalls:
Assuming only modern terminals are used; many industries still process paper orders with OCR or batch entry.

Final Answer:
All of the above