Practice Digital Image Processing Multiple Choice Questions with Answers Quiz-1

Q.1.

What is resolution?

It is the total number of pixels in an image
It is a measure of how many pixels are used in a given area
It is a measure of how much an image has been compressed
It is a measure of how big an object is

Q.2.

Computer vision is

low-level image processing
Middle-level image processing
Higher-level image processing

Q.3.

CGI is

Computer Graphics
Computer-Generated Imagery

Q.4.

What does CPU stand for?

Central Processing Unit
Computer Processing Unit
Computing Part Unit
Core Process Unit

Q.5.

What is a vector image?

An image composed of many tiny pixels, in which each individual pixel can be edited
An image or graphic taken from the internet
An image that can be scaled up or down with no loss of quality
An image constructed using proportional formulas rather than pixels.

Q.6.

Lossy compression

is high quality compression of many types of images
pieces of your crushed camera
reduces a file by permanently eliminating certain information
is when a fat cat sits on a mouse

Q.7.

PNG is a

Image format
High-level programming language used to make mobile applications, or apps
Coding festival
Internet meme

Q.8.

What does 'dpi' mean?

The number of colours supported by the image format
The number of dots that can be plotted each second on a screen or printer
The number of digits per item
The number of dots used per horizontal inch in the image

Q.9.

What does DPI stand for?

Dots Per Inch
Digits Per Inch
Dotted Pixel Indicator
Dots Paired Inside

Q.10.

________ represents the transition between image function's continuous values and its digital equivalent.

Rasterization
Quantization
Sampling
None of the above

Q.11.

What is photo compression?

Reducing a picture's file size
Reducing the height of a picture
Cropping a picture
Making the camera smaller

Q.12.

What is the name of the process that highlights an image's intensity?

Intensity Highlighting
Intensity Matching
Intensity Slicing
None of the above

Q.13.

Which of the following grey level intensities help in increasing the grey levels dynamic range in the image?

Contrast Stretching
Negative Transformations
Power-law Transformations
None of these

Q.14.

What is the sum of all components of a normalized histogram?

1
-1
0
None of these

Q.15.

MACH band effect is about

actual intensity
perceived intensity

Q.16.

Photo receptors in human Eye responsible for color discrimination is

Rods
cones

Q.17.

Photo receptors in human Eye responsible for night vision is

Rods
cones

Q.18.

What happens the further you zoom in on a picture?

The less pixels you can see.
The pixels are easier to see.
The pixels jump.
The pixels swap places.

Q.19.

Digital imaging is done using

Gamma rays
X-rays
UV/IR rays
visible light
All the above

Q.20.

Which of the following file types will use lossy compression to reduce the size of the image file?

JPEG (JPG)
BMP (Bitmap)
MP3
MPEG

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