Resolution and File Formats

Multiple Choice

Which unit is commonly used to measure the resolution of a monitor?

• Pixels per inch (PPI)

• Dots per centimeter (DPC)

• Megabytes (MB)

• Frames per second (FPS)

Open Ended

Why is understanding resolution important when working with digital images in Photoshop?

Dropdown

​ The number of the colored dots that make up a certain area of the image is defined as the ​​

Select answer

 and is measured in ​

Select answer

​  when viewed on a screen.    ​​ ​ ​ ​

Multiple Choice

Which of the following best describes the difference between DPI and PPI?

• DPI refers to the number of printed dots per inch, while PPI refers to the number of pixels per inch on a screen.

• DPI and PPI are exactly the same and can be used interchangeably.

• DPI is used for digital images, while PPI is used for printed images.

• PPI refers to the number of printed dots per inch, while DPI refers to the number of pixels per inch on a screen.

Multiple Select

Select all statements that are true about PPI and DPI based on the images and descriptions provided.

• PPI is used for digital screens, while DPI is used for printed materials.

• Higher DPI or PPI results in clearer images.

• DPI and PPI are always the same value for any image.

• PPI stands for Pixels Per Inch and DPI stands for Dots Per Inch.

Open Ended

Why is it important to use a resolution of 300 ppi when creating a document in Photoshop for printing?

Multiple Choice

What is the standard print resolution in dpi for high-quality images?

• 72 dpi

• 150 dpi

• 300 dpi

• 600 dpi

Multiple Choice

Which tab in the image properties window should you select to check an image's resolution in Windows File Explorer?

• General

• Security

• Details

• Previous Versions

Multiple Choice

Which of the following statements about DPI is correct?

• DPI measures the number of pixels per inch in an image.

• DPI measures the number of colors in an image.

• DPI measures the file size of an image.

• DPI measures the width of an image in pixels.

Multiple Select

Select all correct statements about image resolution and clarity.

• Higher resolution generally means clearer images.

• Lower resolution always means blurry images.

• Resolution is measured in pixels or DPI.

• Resolution does not affect image quality.

Multiple Choice

What resolution should we use when creating work for print?

• 72
• 300
• 256
• 172

Dropdown

​ If the ​

Select answer

 of the graphic is very high the file will be significantly ​

Select answer

.​​

Open Ended

Explain the difference between lossless and lossy compression.

Multiple Choice

A type of data file compression in which some file information is permanently eliminated.

• lossy

• lossless

• mp4

• mpeg

Multiple Choice

Which of the following best describes the difference between lossless and lossy file compression as shown in the images?

• Lossless compression reduces file size without losing any data, while lossy compression reduces file size by removing some data.

• Lossless compression increases file size, while lossy compression decreases file size.

• Lossless compression is only used for audio files, while lossy is only for images.

• Lossless compression makes files unreadable, while lossy does not.

Multiple Choice

Different file formats are appropriate for different situations, so it is important to understand the distinctions between the various file formats.

• True
• False

Multiple Select

Which of the following statements about JPEG file format is/are correct?

• JPEG uses lossy compression.

• JPEG allows a tradeoff between storage size and image quality.

• JPEG files can be uploaded to social media sites like Instagram.

• JPEG supports lossless compression only.

Multiple Choice

Which of the following is NOT true about PSD files?

• PSD files are compressed for smaller storage.

• PSD is the native file format for Photoshop.

• PSD files cannot be uploaded to social media sites.

• PSD files can be opened in some other image editing applications.

Multiple Choice

A PSD can be uploaded and viewed on social media sites. True or False?

• True

• False

• Only on some sites

• Only if converted to JPEG

Multiple Choice

Is .PSD lossy or lossless?

• lossy

• lossless