Digital Imaging Chapter 25 Questions and Answers with Verified Solutions

Digital Imaging Chapter 25 Questions and Answers with Verified Solutions What does a pixel represent in a digital image? A) The entire image as a single unit B) The smallest unit of a digital image C) A specific color in an image D) The brightness level of an image Which file format is commonly used for lossless image compression? A) JPEG B) GIF C) PNG D) BMP What is the main advantage of RAW image format? A) Smaller file sizes for easier storage B) Automatic enhancements applied by the camera C) Greater flexibility in post-processing and higher image quality 2 D) Faster sharing due to compressed data Why is a higher DPI setting important in digital imaging? A) It produces sharper and more detailed prints B) It reduces the file size of images C) It increases the speed of image loading on a website D) It prevents image distortion when resized What role does a histogram play in digital imaging? A) It adds a color filter to an image B) It visually represents the tonal distribution of an image C) It sharpens the image edges D) It converts an image into a grayscale format How does increasing the ISO setting affect an image? A) Increases brightness but may introduce noise B) Reduces motion blur without any side effects C) Darkens the image for better contrast 3 D) Improves sharpness without affecting exposure Which color model is primarily used for digital screens? A) CMYK B) RGB C) Grayscale D) YUV Why do photographers prefer using a tripod in low-light conditions? A) To reduce the file size of an image B) To prevent camera shake and capture sharper images C) To increase the color accuracy of an image D) To adjust the brightness automatically What does white balance adjust in digital imaging? A) The color temperature to ensure accurate colors B) The sharpness of the image C) The contrast between light and dark areas 4 D) The resolution of the image Which factor determines the depth of field in a digital image? A) Shutter speed B) Aperture size C) ISO setting D) White balance What happens when an image is overly compressed in JPEG format? A) It becomes sharper B) It loses quality and may show artifacts C) It increases the resolution D) It enhances the colors