Images

Question 1

What is a pixel?

Answer 1

A pixel is the smallest unit of a digital image or display that can be displayed and edited.

Question 2

True or False: A bitmap image is made up of pixels.

Answer 2

True

Question 3

What does the acronym ‘RGB’ stand for in image processing?

Answer 3

Red, Green, Blue

Question 4

Fill in the blank: A ______ image has a fixed number of pixels.

Answer 4

raster

Question 5

What is the main difference between raster and vector images?

Answer 5

Raster images are made of pixels, while vector images are made of paths defined by mathematical expressions.

Question 6

Which file format is commonly used for lossless compression of images?

Answer 6

PNG

Question 7

What does DPI stand for, and why is it important?

Answer 7

DPI stands for Dots Per Inch, and it measures the resolution of an image in print.

Question 8

True or False: JPEG is a format that allows for lossless compression.

Answer 8

False

Question 9

What is the purpose of image compression?

Answer 9

To reduce the file size of images for storage and faster transmission.

Question 10

Which image format is best suited for images with transparency?

Answer 10

PNG

Question 11

What is a thumbnail?

Answer 11

A small representation of a larger image, used for quick viewing or selection.

Question 12

Fill in the blank: ______ images are scalable without loss of quality.

Answer 12

Vector

Question 13

What is the purpose of the EXIF data in images?

Answer 13

EXIF data contains metadata about the image, such as camera settings and date taken.

Question 14

True or False: GIF supports animation.

Answer 14

True

Question 15

What does the term ‘aspect ratio’ refer to?

Answer 15

The ratio of the width to the height of an image.

Question 16

Which color model is typically used for digital screens?

Answer 16

RGB color model

Question 17

What is the main advantage of vector images over raster images?

Answer 17

Vector images can be resized indefinitely without loss of quality.

Question 18

What is the standard resolution for HD images?

Answer 18

1920x1080 pixels

Question 19

Fill in the blank: The ______ format is widely used for photographs on the web.

Answer 19

JPEG

Question 20

What is an image filter?

Answer 20

An effect applied to an image to alter its appearance.

Question 21

True or False: Bit depth refers to the number of colors an image can display.

Answer 21

True

Question 22

What does the term ‘image resolution’ refer to?

Answer 22

The detail an image holds, typically measured in pixels per inch (PPI).

Question 23

Which format is best for simple graphics with few colors?

Answer 23

GIF

Question 24

What is the purpose of image editing software?

Answer 24

To manipulate and enhance digital images.

Question 25

Fill in the blank: A ______ image is one that has been compressed to reduce file size.

Answer 25

compressed

Question 26

What does the term 'lossy compression' mean?

Answer 26

A type of compression that reduces file size by permanently removing some data.

Question 27

True or False: SVG is a vector image format.

Answer 27

True

Question 28

What is a color profile?

Answer 28

A set of data that characterizes the color attributes of an image.

Question 29

What is the primary use of the TIFF format?

Answer 29

For high-quality image storage, often used in professional photography.

Question 30

Fill in the blank: An ______ is a digital representation of a real-world object.

Answer 30

image

Question 31

What is the role of a graphics card in image processing?

Answer 31

To render images and videos on a computer.

Question 32

Which image format supports an alpha channel for transparency?

Answer 32

PNG

Question 33

What does the term 'color depth' refer to?

Answer 33

The number of bits used to represent the color of a single pixel.

Question 34

True or False: A higher DPI results in lower image quality.

Answer 34

False

Question 35

What is the main purpose of a color histogram?

Answer 35

To represent the distribution of colors in an image.

Question 36

Fill in the blank: ______ is the process of adjusting the brightness and contrast of an image.

Answer 36

Image enhancement

Question 37

What are layers in image editing?

Answer 37

Separate elements in an image that can be edited independently.

Question 38

What does the term 'cropping' refer to in image editing?

Answer 38

Removing unwanted outer areas from an image.

Question 39

True or False: The BMP format is a compressed image format.

Answer 39

False

Question 40

What is the purpose of a watermark in an image?

Answer 40

To indicate ownership or copyright of the image.

Question 41

Fill in the blank: ______ images are typically used for logos and illustrations.

Answer 41

Vector

Question 42

What is the function of the 'clone stamp' tool in image editing?

Answer 42

To duplicate part of an image to another area.

Question 43

What does the term 'color grading' mean?

Answer 43

The process of altering and enhancing the color of a motion picture or image.