WorksheetsJ277 - 1.2 - Images
Total questions: 15
Worksheet time: 8mins
What is a pixel in a bitmap image?
A type of file format
A tiny square that makes up an image
A type of colour
A type of resolution
What does colour depth refer to in bitmap graphics?
The number of pixels in an image
The number of bits used to store colour information for each pixel
The physical size of the image
The file size of the image
How many colours can a 24-bit image display?
16 colours
256 colours
65,536 colours
Millions of colours
What is the resolution of an image that is 1920 pixels wide and 1080 pixels high?
1920 x 1080 pixels
1080 x 1920 pixels
1920 x 720 pixels
1280 x 720 pixels
What does a higher image resolution generally result in?
A smaller file size
A sharper, more detailed image
Fewer colours
A lower colour depth
What is the unit often used to measure image resolution?
Kilometres per hour (km/h)
Pixels per inch (PPI)
Pounds per square inch (PSI)
Litres per minute (L/min)
Which of the following is true about a 1-bit image?
It can display 256 colours
It can only show black and white
It can display millions of colours
It has a high resolution
What happens when you zoom in on a bitmap image?
The image becomes clearer
The individual pixels become visible
The colour depth increases
The resolution increases
Which of the following is NOT a factor in determining the file size of a bitmap image?
Image resolution
Colour depth
Physical dimensions of the image
The type of monitor used to view the image
What is the primary advantage of having more pixels in an image?
Faster loading times
More detailed and sharper images
Lower colour depth
Smaller file size
If an image has a resolution of 300 PPI, what does this mean?
The image has 300 pixels in total
The image has 300 pixels per inch
The image is 300 inches wide
The image is 300 inches tall
Which colour depth allows for 256 different colours?
1-bit
4-bit
8-bit
16-bit
What is the relationship between colour depth and the number of colours an image can display?
Higher colour depth means fewer colours
Higher colour depth means more colours
Colour depth does not affect the number of colours
Colour depth only affects black and white images
What is the term for the smallest unit of a digital image?
Byte
Pixel
Bit
Inch
Which of the following best describes a bitmap image?
An image made up of lines and curves
An image made up of tiny squares called pixels
An image that can be resized without losing quality
An image that only uses black and white
