Digital Media Exam 1 (Ch. 1-3)
What are the CMY values for white? 1. (0%, 0%, 0%) 2. (100%, 100%, 100%) 3. (255,255,255) 4. None of the above
(0%, 0%, 0%)
What are the CMY values for red? 1. (0%, 100%, 100%) 2. (100%, 0%, 100%) 3. (100%, 100%, 0%) 4. (100%, 0%, 0%) 5. None of the above
(0%, 100%, 100%)
Which of the following is the red color in RGB model? 1. (0,0,255) 2. (0,0,0) 3. (0,255,0) 4. (255,0,0) 5. (255,255,255)
(255,0,0)
Suppose that you scan a 2"x1" picture in at a resolution of 300 dpi. What will the physical dimensions of the image be if you print it at 600ppi?
1" x 0.5"
Suppose that you scan a 2"x1" picture in at a resolution of 300 dpi. What will the physical dimensions of the image be if you print it at 300ppi?
2" x 1"
The most common bit depth for color image is_____ 1. 8 2. 256 3. 16 4. 32 5. 24
24
For a color image, a bit depth of 8 allows _____ different colors. 1. 8 2. 16 3. 128 4. 256 5. 1024
256
5. Given below are the general steps of Image retouching of a scanned image. Order the steps by labeling 1 to 6: _____Adjust the overall contrast or tonal range of the image _____Crop and straighten the image _____Fine-tune specific parts of the image using tools such as dodge and burn, saturation adjustments _____Remove color casts _____Remove dirt and dust _____Sharpen the image
3,1,5,4,2,6
A picture has 8M pixels. If each pixel needs 4 bytes, how big is the file size to save the picture without applying compression? a. 4MB b. 32MB c. 8MB d. 64MB
32MB
Without applying any compression, what would be the file size for an image of 4000 X 3000 pixels in 24-bit color depth? Choose the closest one. 1. 12MB 2. 24MB 3. 36MB 4. 48MB 5. 18MB
36MB
Your original picture is 5" * 4" and you want to scan the picture to print as 10" * 8" at 200 ppi, what scanning resolution should be used? a. 300 ppi b. 400 ppi c. 500 ppi d. 200 ppi
400 ppi
Suppose that you scan a 2"x1" picture in at a resolution of 300 dpi. What are the pixel dimensions of the scanned image?
600 x 300 pixels
What is the hex form of the color (127, 12, 127) in RGB model? 1. 800C80 2. 8F0C8F 3. 7FC7F 4. 7F0C7F 5. 7F0B7F
7F0C7F
For an image of 1600 * 800 pixels, when printed with print resolution 200 ppi, how big is the resulted print? a. 8" x 4" b. 16" x 8" c. 10" x 8" d. 85" x 4"
8" x 4"
In the quantization step, to capture an analog image to a digital image, ___. 1. a 2-dimensional grid is applied on the image and each tiny cell on the grid is converted into a pixel; 2. an infinite number of color shades and tones in an analog image is mapped to a set of discrete color values 3. a 2-dimensional grid is applied on the image to apply dithering to the image 4. the resulting digital image file is compressed to have a smaller file size
An infinite number of color shades and tones in an analog image is mapped to a set of discrete color values
Which is not the consequences of higher image resolution? 1. bigger file size 2. bigger bit depth 3. more samples 4. more image details 5. none of the above
Bigger bit depth
In CMYK color model, what color would it be if Black is mixed with White? 1. White 2. Ligth Gray 3. Black 4. Gray 5. Dark Gray
Black
In CMYK color model, what color would it be if Red is mixed with Blue and Green? 1. Cyan 2. Yellow 3. White 4. Magenta 5. Black
Black
In CMYK color model, what color would it be if Red is mixed with Blue? 1. Red 2. Black 3. None of the above 4. White 5. Blue
Black
Which of the following color model uses subtractive color mixing method? 1. RGB 2. CMY 3. HSB 4. CIE XYZ
CMY
A digital image captured at a higher resolution ___. 1. captures more details than the same image stored at a lower resolution 2. has a smaller file size than the same image stored at a lower resolution 3. has greater bit depth than the same image stored at a lower resolution 4. represents more colors than the same image stored at a lower resolution
Captures more details than the same image stored at a lower resolution
What kind of images are GIF files most appropriate for? a. Print Graphics b. Image with rich colors c. Clips Art & Logo d. All of the above
Clips Art & Logo
Which of the following is not correct? 1. Some of the colors that monitors can reproduce cannot be reproduced by inkjet printers. 2. RGB and CMYK Color Space encompass all the colors human can see 3. Some of the colors that inkjet printers can reproduce cannot be reproduced by monitors. 4. Color Gamuts refer to the range of colors of a specific system or device can produce or capture 5. Monitors and inkjet printers cannot reproduce all the colors that human can see
Color Gamuts refer to the range of colors of a specific system or device can produce or capture
Color in nature is... 1. discrete 2. finite 3. digital 4. continuous
Continuous
Rasterization means ______. 1. converting vector graphics into pixel-based images 2. converting lines into regions 3. converting regions into lines 4. converting pixel-based images into vector graphics
Converting vector graphics into pixel-based images
Which file extension indicates vector graphic files? 1. BMP 2. TIFF 3. GIF 4. EPS 5. PSD
EPS
A digital camera with more megapixels always mean better image quality. True or False
False
Increasing the number of colors in the palette will definitely improve the image fidelity. 1. True 2. False
False
The optimization of tonal adjustment at the time of capturing images--scanning or digital photography-- does not matter because you can always extend the tonal range of the image to any extent afterwards in image editing applications, such as Photoshop. True or False
False
Which file format(s) can be created as an animated sequence? a. JPEG b. PNG c. GIF d. TIFF
GIF
Which of the following is not static image? a. JPEG b. PNG c. BMP d. GIF
GIF
Which of the following support animation? a. JPEG b. PNG c. BMP d. GIF
GIF
In CMYK color model, what would it be if Cyan is mixed with Green? 1. Cyan 2. Green 3. Red 4. Black 5. White
Green
Which one of the following color models takes the form of a hexacone? 1. CIE XYZ 2. CMY 3. HSB 4. RGB
HSB
Which of the primaries in the HSB color model takes the form of a color wheel? 1. Hue 2. Saturation 3. Darkness 4. Brightness
Hue
Which of the following is not the same as the others? 1. Image sampling frequency 2. Image brightness 3. Image dimension 4. Image sampling rate 5. Image resolution
Image brightness
Why does scaling an image usually deteriorate the image quality somewhat?
It adds new pixels by interpolating the color info of the original pixels only and the image will then appear blurry. It removes pixels so it loses image info. The remaining pixels of the color info is altered to fit the new size.
If a digital image has a higher bit depth, ___than it would have been at a lower bit depth. 1. it has larger image resolution 2. it has more different colors 3. a higher sampling rate is used 4. it has larger pixel dimensions
It has more different colors
Which of the following image file format uses lossy compression? a. JPEG b. PNG c. PSD d. TIFF
JPEG
Which of the following is not a lossless compression method? 1. PNG 2. PSD 3. GIF 4. JPEG 5. TIFF
JPEG
Which of the following should not be used as working files for further edit? a. JPEG b. BMP c. TIFF d. All of the above
JPEG
Which of the following should not be used as working files for further editing? 1. PNG 2. TIFF 3. PSD 4. BMP 5. JPEG
JPEG
In RGB color model, what color would it be if the color Magenta is mixed with Black? 1. Blue 2. Magenta 3. Cyan 4. Black 5. White
Magenta
Vector graphics are composed of ___. 1. individual pixels which represent spatial samples of the image or scene 2. mathematical descriptions of image elements which include points, lines, curves, and figures 3. both of the above 4. none of the above
Mathematical descriptions of image elements which include points, lines, curves, and figures
Which of the following file extensions indicates pixel-based files? 1. TXT 2. DOC 3. EPS 4. PNG
PNG
Which of the following file extensions indicates pixel-based images? a. TXT b. DOC c. PNG d. EPS
PNG
Which of the following is not a consequence of image quantization? 1. Sampling rate is reduced 2. the number of allowed colors in the image is reduced 3. loss of the image fidelity and details 4. The details that rely on the subtle color differences are lost during quantization
Sampling rate is reduced
The X-axis in an image histogram represents: a. The color values in the image b. The number of pixels showing certain colors c. The time intervals at which image was sampled d. None of the above
The color values in the image
An image of 3000*2000 pixels is said to have 6 megapixels. True or False
True
Letter K stands for Black in CMYK color model. True or False
True
Letter R stands for Red in RGB color model. True or False
True
One megapixel is equal to 1,000,000 pixels. True or False
True
Scanning and digital photography are two methods you can capture digital images. True or False
True
The "per inch" in the units dots-per-inch and pixels-per-inch are in linear inches. True or False
True
What kind of images are JPEG files most appropriate for? a. Print Graphics b. Clips Art & Logo c. Web Graphics d. All of the above
Web Graphics
In RGB model, what would you get if the color Red is mixed with Cyan? 1. Red 2. Cyan 3. Black 4. White 5. Yellow
White
What color would it be if the color Yellow is mixed with White in RGB model? 1. Yellow 2. dark yellow 3. pink 4. White 5. light yellow
White
In RGB color model, what color would it be if the color Red is mixed with Yellow? 1. White 2. Cyan 3. Black 4. Red 5. Yellow
Yellow
Which of the following images is better saved with a bit depth of 24? 1. a picture taken by a camera 2. a logo designed for a company 3. a cartoon image drawn by an artist 4. a poster that contains only a few colors
a picture taken by a camera
Sometimes when you magnify a picture on your computer screen, lines that should be straight lines appear to be jagged. This effect is called _____ 1. indexing 2. anti-aliasing 3. dithering 4. aliasing
aliasing
What are the factors of digital cameras that determine the image quality? a. the optics of the lens b. the size and quality of the sensor c. the camera's image processing software d. the camera electronics e. all of the above
all of the above
Generally speaking, how does the file size change if the bit depth of an image is increased from 8-bit to 16-bit? 1. tripled 2. doubled 3. no change 4. four times
doubled
Generally speaking, how does the file size change if the total number of pixels of an image is doubled? 1. decreased by half 2. doubled 3. tripled 4. no change
doubled
Which of the following is not one of the main advantages of vector graphics over bitmapped images? 1. more compact file size 2. ease of editing the image content pixel by pixel 3. resolution independence 4. scalability
ease of editing the image content pixel by pixel
Generally speaking, how does the file size change if the number of pixels of both the width and height of an image is doubled? 1. tripled 2. eight times 3. no change 4. four times 5. doubled
four times
In RGB model, what would it be if white is mixed with black? 1. dark gray 2. gray 3. light gray 4. white 5. black
white
