Practice Test Geeks(CDIA) Certified Document Imaging Architect Practice Test
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Scanning Technology Flashcards

7 cards from real CDIA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which TWAIN specification component acts as the software interface between the application and the scanner driver?

    Answer: Source Manager

    The TWAIN Source Manager acts as the intermediary that brokers communication between scanning applications and individual scanner Data Sources (drivers).

  2. What is the effect of scanning a document at 600 DPI compared to 300 DPI, assuming the same document size?

    Answer: The file size is approximately four times larger

    Doubling DPI in both dimensions quadruples the number of pixels (and thus file size before compression) because pixels increase as the square of the resolution factor.

  3. In high-volume document scanning environments, what does 'imprinting' refer to?

    Answer: Physically stamping or printing a sequence number on the physical document during scanning

    Imprinting is a feature where the scanner's integrated printer physically marks the original document with a batch number, date, or sequence number during the scan pass.

  4. Which scanning technology is specifically designed to capture images from 16mm or 35mm microfilm rolls?

    Answer: Microfilm scanner

    Microfilm scanners are purpose-built to digitize images stored on microfilm or microfiche using specialized optical systems and transport mechanisms.

  5. What is the purpose of a 'black reference' calibration strip used by production document scanners?

    Answer: To establish the baseline for absolute black, ensuring accurate tonal reproduction

    A black reference strip provides the scanner's sensor with a known black point for calibration, ensuring accurate shadow detail and tonal range across the full grayscale spectrum.

  6. When scanning documents for OCR processing, which resolution is generally considered the minimum recommended for acceptable accuracy with standard 12-point text?

    Answer: 300 DPI

    300 DPI is the widely accepted minimum resolution for OCR on standard-sized text, providing sufficient pixel density for accurate character recognition.

  7. What does 'duplex scanning' mean in the context of document imaging?

    Answer: Scanning both sides of a page in a single pass through the scanner

    Duplex scanning captures both the front (recto) and back (verso) sides of a document in one transport pass using either two scan heads or a flip mechanism.