Digital voltmeter (DVM) output representation: A digital voltmeter converts an analog input voltage into its ________ representation for display and processing.

Introduction / Context:
Digital voltmeters are measurement instruments that sample analog voltages and present numerically readable results. The internal conversion produces digital data which may be formatted as BCD for display or transmitted to interfaces, but the essential nature is digital encoding of an analog quantity.

Given Data / Assumptions:

• Analog input voltage is measured.
• Instrument contains an ADC.
• Display logic shows numbers derived from the digital result.

Concept / Approach:
The ADC converts the analog voltage to a digital value. Downstream, this value can be represented in various numeric encodings (binary, BCD) and displayed as decimal digits. Therefore, the most general and accurate description is that the DVM outputs a digital representation; BCD is a specific internal/external encoding that some instruments use, but not universally.

Step-by-Step Solution:
1) Condition the analog input to the ADC’s range.2) Convert the voltage using an ADC (often dual-slope or sigma-delta in DVMs).3) Produce a digital code representing the measured voltage.4) Format and display the code as decimal digits.

Verification / Alternative check:
DVM block diagrams show ADC → digital processing → display; service manuals often mention both binary and BCD formats internally.

Why Other Options Are Wrong:
“BCD-code” is specific, not universal. “Decimal” refers to human-readable formatting, not the representation type. “Alias” is unrelated to representation.

Common Pitfalls:
Equating display format (decimal digits) with the underlying data type; assuming all DVMs expose BCD on external ports.

Final Answer:
digital