1. : What does image resolution refer to in digital imaging?
(A) Number of colors used in image
(B) File size of the image
(C) Number of pixels in the image
(D) Bit depth of the image
2. : What is meant by the bit depth of an image?
(A) Number of bits used per pixel
(B) Number of bytes per image
(C) Image width
(D) Compression level
3. : What is the bit depth of a grayscale image with 256 possible shades?
(A) 4
(B) 8
(C) 16
(D) 32
4. : An image with a resolution of 1920×1080 contains how many pixels?
(A) 1,920
(B) 1080
(C) 2,073,600
(D) 1,080,920
5. : Which unit is commonly used to express resolution in printing?
(A) Bits per pixel
(B) Inches per pixel
(C) DPI
(D) FPS
6. : Increasing image resolution generally leads to:
(A) Lower quality
(B) Smaller file size
(C) Higher detail
(D) Fewer pixels
7. : What is the total number of colors represented by a 24-bit image?
(A) 16
(B) 256
(C) 65,536
(D) 16,777,216
8. : What does a 1-bit image represent?
(A) Grayscale
(B) Black and white only
(C) 256 colors
(D) Full RGB spectrum
9. : Which factor does not affect image resolution?
(A) Bit depth
(B) Sensor size
(C) Pixel count
(D) Image dimensions
10. : What is the resolution of an image with 3000 pixels horizontally and 2000 pixels vertically?
(A) 6 megapixels
(B) 5 megapixels
(C) 3 megapixels
(D) 8 megapixels
11. : Which bit depth gives the most color variety?
(A) 1-bit
(B) 4-bit
(C) 8-bit
(D) 24-bit
12. : If each pixel in an image is stored using 16 bits, how many possible grayscale levels can be represented?
(A) 256
(B) 512
(C) 65,536
(D) 1024
13. : A 10-bit grayscale image can display how many shades of gray?
(A) 1024
(B) 256
(C) 512
(D) 2048
14. : What is the main disadvantage of increasing bit depth in digital images?
(A) Reduced resolution
(B) Lower quality
(C) Increased file size
(D) Decreased sharpness
15. : What does the term “megapixel” refer to?
(A) File size in MB
(B) Image color model
(C) Million pixels in an image
(D) Zoom level of a camera
16. : What kind of image resolution is best suited for web use?
(A) 300 DPI
(B) 150 DPI
(C) 72 DPI
(D) 600 DPI
17. : In digital imaging, higher resolution usually leads to:
(A) Sharper image
(B) Smaller storage
(C) Faster processing
(D) Fewer colors
18. : How many bits per pixel are there in a standard RGB image?
(A) 8
(B) 16
(C) 24
(D) 32
19. : What color model is usually used for 24-bit color images?
(A) CMYK
(B) HSV
(C) RGB
(D) HSL
20. : Which image has more detail?
(A) 1280×720
(B) 800×600
(C) 640×480
(D) 1024×768
21. : Which resolution is known as Full HD?
(A) 1280×720
(B) 1920×1080
(C) 1024×768
(D) 3840×2160
22. : How many pixels are there in a 4K resolution image (approx.)?
(A) 2 million
(B) 4 million
(C) 8 million
(D) 12 million
23. : A pixel is:
(A) A storage unit
(B) A light-sensitive diode
(C) The smallest unit of an image
(D) An RGB component
24. : Higher bit depth results in:
(A) More compression
(B) More colors or gray levels
(C) Lower accuracy
(D) Smaller file
25. : Which file format supports 24-bit depth commonly?
(A) BMP
(B) PNG
(C) JPEG
(D) All of the above
26. : What is the relation between image resolution and file size?
(A) Inverse
(B) Direct
(C) Unrelated
(D) File size depends only on format
27. : Which one provides the highest image quality?
(A) 24-bit PNG
(B) 8-bit BMP
(C) 16-bit TIFF
(D) 1-bit GIF
28. : Resolution of a digital image is defined by:
(A) Frame rate
(B) Pixel density
(C) Color channels
(D) Aspect ratio
29. : What is the aspect ratio of an image with resolution 1920×1080?
(A) 4:3
(B) 3:2
(C) 16:9
(D) 1:1
30. : What happens to image clarity when resolution increases?
(A) Decreases
(B) Remains same
(C) Increases
(D) Distorts
31. : Which device setting affects resolution the most?
(A) Brightness
(B) ISO
(C) Image Size
(D) Shutter speed
32. : If an image has 4096 shades of gray, what is its bit depth?
(A) 8
(B) 10
(C) 12
(D) 16
33. : What is the color depth of a standard CMYK image?
(A) 16-bit
(B) 24-bit
(C) 32-bit
(D) 8-bit
34. : Which format is not ideal for high-resolution photographic images?
(A) JPEG
(B) PNG
(C) BMP
(D) GIF
35. : What does 300 PPI indicate in an image?
(A) Pixels per image
(B) Pages per inch
(C) Pixels per inch
(D) Patterns per inch
36. : Which resolution is higher?
(A) 3840×2160
(B) 2560×1440
(C) 1920×1080
(D) 1280×720
37. : Bit depth affects which of the following?
(A) Image resolution
(B) Color information
(C) Pixel size
(D) Image orientation
38. : Which format is commonly used for 1-bit monochrome images?
(A) BMP
(B) TIFF
(C) GIF
(D) PBM
39. : 8-bit per channel in RGB gives how many total colors?
(A) 16,777,216
(B) 256
(C) 65,536
(D) 512
40. : What is the resolution of 720p?
(A) 800×600
(B) 1024×768
(C) 1280×720
(D) 1366×768
41. : What is the best resolution for printing photos?
(A) 72 DPI
(B) 150 DPI
(C) 300 DPI
(D) 600 DPI
42. : What bit depth is commonly used in medical imaging?
(A) 8
(B) 10
(C) 12 or more
(D) 6
43. : What determines how much detail an image sensor can capture?
(A) Bit rate
(B) Resolution
(C) Refresh rate
(D) File format
44. : Which is true about low-resolution images?
(A) High pixel count
(B) Small file size
(C) High detail
(D) Print quality is better
45. : What is the pixel count in a 1-megapixel image?
(A) 10,000
(B) 100,000
(C) 1,000,000
(D) 10,000,000
46. : What is the relation between pixel pitch and resolution?
(A) Inversely proportional
(B) Directly proportional
(C) No relation
(D) Random
47. : Bit depth of an image affects:
(A) Number of pixels
(B) Compression ratio
(C) Number of color shades
(D) Image shape
48. : Which bit depth is required for true color?
(A) 8-bit
(B) 16-bit
(C) 24-bit
(D) 32-bit
49. : Which resolution is also called UHD?
(A) 1920×1080
(B) 2560×1440
(C) 3840×2160
(D) 1280×720
50. : Increasing bit depth increases:
(A) Resolution
(B) Gray levels or colors
(C) Screen size
(D) Frame rate
