Digital Media Chapters 1-3

What are the CMY values for red? A) (0%, 100%, 100%) B) (100%, 0%, 100%) C) (100%, 100%, 0%) D) None of the above

A) (0%, 100%, 100%)

Which of the following image file format uses lossy compression A) JPEG B) PNG C) PSD D) TIFF

A) JPEG

What is the binary number of decimal number of 61? A) 00110010 B) 00111101

B) 00111101

The Y-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

B) The number of pixels showing certain colors

Generally speaking, how does the file size change if the bit depth of an image is increased from 8-bit to 16-bit? A) tripled B) doubled C) no change D) four times

B) doubled

In RGB model, what would you get if the color Red is mixed with Cyan? A) Red B) Cyan C) Black D) White

D) White

What color would it be if the color Yellow is mixed with White in RGB model? A) Yellow B) dark yellow C) pink D) White

D) White

In RGB color model, what color would it be if the color Red is mixed with Yellow? A) White B) Cyan C) Red D) Yellow

D) Yellow

Sometimes when you magnify a picture on your computer screen, lines that should be straight lines appear to be jagged. This effect is called ___. A) indexing B) anti-aliasing C) dithering D) aliasing

D) aliasing

Color in nature is ___. A) discrete B) finite C) digital D) continuous

D) continuous

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

E) all of the above

A ___ is approximately 1 million bytes.

Megabyte

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" * 8" D) 5" * 4"

A) 8" x 4"

When analog information is converted to digital data, we must consider two properties that affect the exactness of the digital representation, one from sampling and one from quantizing. which of the following is a result of quantization? A) bit depth B) sampling rate

A) Bit depth

Which of the following is not static image? A) GIF images B) PNG images C) BMP images D) JPEG images

A) GIF images

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

B) 32MB

In CMYK color model, what color would it be if Red is mixed with Blue? A) Red B) Black C) None of the above D) White

B) Black

Which of the following color model uses subtractive color mixing method? A) RGB B) CMY C) HSB D) CIE XYZ

B) CMY

In RGB color model, what color would it be if the color Magenta is mixed with Black? A) Blue B) Magenta C) Cyan D) Black

B) Magenta

Which of the following is not correct? A) Some of the colors that monitors can reproduce cannot be reproduced by inkjet printers B) RGB and CMYK Color Space encompass all the colors human can see C) Some of the colors that inkjet printers can reproduce cannot be reproduced by monitors D) Color Gamuts refer to the range of colors of a specific system or device can produce or capture

B) RGB and CMYK Color Space encompass all the colors human can see

The ___ language uses the digits 0 and 1 and is understood by computers.

Binary

What kind of images are GIF files most appropriate for? A) Print Graphics B) Images with rich colors C) Clip Art & Logo D) All of the above

C) Clip Art & Logo

Which one of the following color models takes the form of a hexacone? A) CIE XYZ B) CMY C) HSB (HSV) D) RGB

C) HSB (HSV)

Which of the following file extensions indicates pixel-based files A) TXT B) DOC C) PNG D) EPS

C) PNG

What kind of images are JPEG files most appropriate for? A) Print Graphics B) Clip Art & Logo C) Web Graphics D) All of the above

C) web graphics

Which of the following is the red color in RGB model? A) (0,0,255) B) (0,0,0) C) (0,255,0) D) (255,0,0)

D) (255,0,0)

The most common bit depth for color image is A) 8 B) 256 C) 16 D) 24

D) 24

Which of the following sizes is the smallest? A) 24GB B) 24MB C) 240MB D) 2400KB

D) 2400KB

For a color image, a bit depth of 8 allows different colors. A) 8 B) 16 C) 128 D) 256

D) 256

In CMYK color model, what color would it be if Red is mixed with Blue and Green? A) Cyan B) Yellow C) White D) Black

D) Black

Which file extension indicates vector graphic files A) BMP B) TIFF C) GIF D) EPS

D) EPS

Which of the following is not a lossless compression method? A) PNG B) PSD C) GIF D) JPEG

D) JPEG

Which of the following file extensions indicates pixel-based files? A) TXT B) DOC C) EPS D) PNG

D) PNG

If you want to use hand signals to communicate with only two possibilities-yes or no to your friend, what is the minimum number of fingers you need?

1

A(n) ___ is approximately 1,024 bytes.

1 KB

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"

If you use a byte to store the grayscale information of each pixel in a grayscale image, how many gray levels are possible for each pixel?

256

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

___ bits equal one byte.

8

What are the CMY values for white? A) (0%, 0%, 0%) B) (100%, 100%, 100%) C) (255,255,255) D) None of the above

A) (0%, 0%, 0%)

Which of the primaries in the HSB color model takes the form of a color wheel? A) Hue B) Saturation C) Darkness D) Brightness

A) Hue

Which of the following should NOT be used as working files for further edit? A) JPEG B) BMP C) TIFF D) All of above

A) JPEG

When analog information is converted to digital data, we must consider two properties that affect the exactness of the digital representation, one from sampling and one from quantizing. which of the following is from sampling? A) sampling rate B) bit depth

A) Sampling rate

Which of the following is not a consequence of image quantization? A) Sampling rate is reduced B) the number of allowed colors in the image is reduced; C) loss of the image fidelity and details; D) The details that rely on the subtle color differences are lost during quantization;

A) 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

A) The color values in the image

Which of the following images is better saved with a bit depth of 24? A) a picture taken by a camera B) a logo designed for a company C) a cartoon image drawn by an artist D) a poster that contains only a few colors

A) a picture taken by a camera

digital image captured at a higher resolution ___. A) captures more details than the same image stored at a lower resolution B) has a smaller file size than the same image stored at a lower resolution C) has greater bit depth than the same image stored at a lower resolution D) represents more colors than the same image stored at a lower resolution

A) captures more details than the same image stored at a lower resolution

Rasterization means ___. A) converting vector graphics into pixel-based images B) converting lines into regions C) converting regions into lines D) converting pixel-based images into vector graphics

A) converting vector graphics into pixel-based images

In CMYK color model, what would it be if Cyan is mixed with Green? A) Cyan B) Green C) Red D) Black

B) Green

Which of the following is not the same as the others? A) Image sampling frequency B) Image brightness C) Image dimension D) Image sampling rate

B) Image brightness

In the quantization step, to capture an analog image to a digital image A) a 2-dimensional grid is applied on the image and each tiny cell on the grid is converted into a pixel; B) an infinite number of color shades and tones in an analog image is mapped to a set of discrete color values C) a 2-dimensional grid is applied on the image to apply dithering to the image D) the resulting digital image file is compressed to have a smaller file size

B) 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? A) bigger file size B) bigger bit depth C) more samples D) more image details

B) bigger bit depth

Generally speaking, how does the file size change if the total number of pixels of an image is doubled? A) decreased by half B) doubled C) tripled D) no change

B) doubled

Which of the following is not one of the main advantages of vector graphics over bitmapped images? A) more compact file size B) ease of editing the image content pixel by pixel C) resolution independence D) scalability

B) ease of editing the image content pixel by pixel

If a digital image has a higher bit depth, ___ than it would have been at a lower bit depth. A) it has larger image resolution B) it has more different colors C) a higher sampling rate is used D) it has larger pixel dimensions

B) it has more different colors

Vector graphics are composed of ___. A) individual pixels which represent spatial samples of the image or scene B) mathematical descriptions of image elements which include points, lines, curves,and figures C) both of the above D) none of the above

B) mathematical descriptions of image elements which include points, lines, curves,and figures

Eight bits equals one ____.

Byte

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. A) 12MB B) 24MB C) 36MB D) 48MB

C) 36MB

How many bits is the 01101000 binary number and what is the decimal number A) 8 bits, 1 B) 4 bits , 1 C) 8 bits, 104 D) 8bits, 108

C) 8 bits, 104

In CMYK color model, what color would it be if Black is mixed with White? A) White B) Light Gray C) Black D) Gray

C) Black

Which of the following should not be used as working files for further editing? A) PNG B) TIFF C) PSD D) JPEG

D) JPEG

Generally speaking, how does the file size change if the number of pixels of both the width and height of an image is doubled? A) tripled B) eight times C) no change D) four times

D) four times

In RGB model, what would it be if white is mixed with black? A) Cyan B) gray C) light gray D) white

D) white

True or False. A digital camera with a higher megapixel rating always give bigger prints

False

True or False. A digital camera with more megapixels always mean better image quality.

False

True or False. Increasing the number of colors in the palette will definitely improve the image fidelity.

False

True or 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.

False

True or False. The smallest unit in a binary system is a byte.

False

True or False. A pixel that can have only one of two possible color values requires 1 bits to store the color information.

True

True or False. An image of 3000*2000 pixels is said to have 6 megapixels.

True

True or False. Converting from analog to digital involves a two-step process: sampling and quantization.

True

True or False. One megapixel is equal to 1,000,000 pixels

True

True or False. Our everyday decimal numbering system is base 10. Computers use base 2, which is also known as the binary numbering system.

True

True or False. Scanning and digital photography are two methods you can capture digital images.

True

True or False. The "per inch" in the units dots-per-inch and pixels-per-inch are in linear inches.

True

True or False. Two general strategies to reduce the size of a digital media file are sampling rate reduction and bit depth reduction

True