Which radiology method is described as digital?

• A. Digital
• B. Analog
• C. Film
• D. Fluoroscopy

Answer: (A)

Digital radiography uses electronic sensors to convert X-ray photons directly into a digital image that can be displayed on a computer screen and stored electronically. This eliminates the need for photographic film and chemical development. The key difference is that the output is a digital file composed of pixels and can be easily adjusted, enhanced, and archived. By contrast, film radiography relies on exposed photographic film that must be developed chemically to produce an image. Fluoroscopy, while often associated with real-time imaging, can be done with either traditional analog setups or modern digital detectors; however, the term digital in this context refers to the static digital radiographic image produced by digital radiography, not the continuous live fluoroscopic sequence.