Digital Media - Exam 1

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If a digital image has a higher bit depth, ______ than it would have been at a lower bit depth.

It has more different colors

You want to buy a tablet for a price of $200, which one has the largest disk storage? A) 32MB B) 3,200KB C) 32GB D) 320MB

32 GB

What is a technique to stimulate colors that are outside of the palette by using a pattern of like color pixels?

Dithering

Which method is NOT used when reducing a file size?

Extract multiple file sources

I need to scan multiple pages from a textbook (hardcover). Which of the following types of scanners is best suitable for my needs?

Flatbed Scanner

Which model is NOT a model for color representation?

HSE

Which model comes close to all colors humans can see?

Hue Saturation Brightness

The smallest unit in a binary system is a _______

Bit

Which color model does use the subtractive color system?

CMYK

A digital image captured at a higher resolution _______

Captures more details than the same image stored at a lower resolution

A professional photographer will do the following steps to your wedding pictures except:

Compress as many natural tones as possible

Color in nature is ________

Continuous

Which tool is not a layering tool? A) Toggle quick Mask B) Blur C) Invert D) Convert to MP3 format

Convert to MP3 format

Which of the following can reduce the file size of digital media? A) Decrease sampling rate B) Increase sampling rate C) Decrease the transfer rate D) Increase bit dept

Decrease sampling rate

What is finite and discrete?

Digital Information

Increasing bit depth can NOT __________

Increase the chances the file will carry a virus

The process of assigning a discrete value to an object is called ___________

Quantizing

Which color model does use the addition color system?

RGB

To convert analog information into digital data that computers can handle is what process?

Sampling and Quantizing

Resampling an image is often referred to as ______

Scaling

The possible color values for bits are which two numeric values?

0 & 1

Which method(s) are used when reducing a file size?

1) Apply file compression 2) Reduce the bit depth 3) Reducing the sampling rate

Increasing bit depth can do the following:

1) Increase the overall range of the scale. 2) Increase the file size. 3) Increase the precision of the captured data.

The following are common types of bitmapped or pixel based images:

1) JPEG 2) PNG 3) BMP

Which model(s) are models for color representation?

1) RGB 2) CMYK 3) HSB

A megapixel equals _______ pixels

1,000,000

Sometimes when you magnify a picture on your computer screen, lines that should be straight lines appear to be jagged. This effect is called ________

Aliasing

What is made up of infinite number of data points?

Analog Information

What is NOT a common type of bitmapped or pixel based images?

MP3

Vector graphics are composed of _______

Mathematical descriptions of image elements which include points, lines, curves, and figures.

You are at Best Buy and need to purchase a good digital camera. For best picture, you will look for a camera with the most _______

Megapixel

A ______ is a mathematical description of an abstract line or curve.

Path

In digital imaging each sample point is called _________

Pixel

True of False? Information in analog media is continuous.

True

True or False? JPEG files are most appropriate for Continuous-tone photographs.

True

True or False? Rasterization means to covert vector graphics into pixel based bitmapped images.

True

True or False? The IPOD stores files using lossy compression.

True

True or False? The pixel dimension of an image and image resolution (ppi) affect the image's print size.

True


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