Data Storage - Images

How many pixels are there in the resolution of 1920x1080?

• 2035200

• 1996800

• 2073600

• 2074200

What is colour depth?

• Amount of colours

• Number of bits per pixel to represent a colour, more bits = more colours available

• The variety of colours that are used to draw

• Number of kilobytes per pixel to represent a colour, more kilobytes = more colours available

What is the minimum colour depth of an image with 32 colours?

• 3

• 2

• 5

• 4

What is a bitmap image?

• An image split down into separate pixels/bits.

• An image split down into different quadrants.

• An image split into 5ths.

• An image split and a part taken away.

A bitmap image is 42 pixels high and 2 pixels wide, how many pixels are in the bitmap image?

• 84

• 94

• 74

• 88

What is the metadata of an image?

• The pixels of an image.

• The camera an image was taken with.

• It includes how many people were involved with taking an image.

• It includes detail relevant to the image as well as information about its production.

How many pixels are there in the resolution of 1280x720?

• 896000

• 921600

• 886000

• 920600

What is a pixel?

• A part of a computer, on the motherboard.

• It allows you to connect bluetooth devices to your computer.

• A point of an image on a screen.

• A point of an image on paper.

How many colours can be used with a colour depth of 7?

• 256

• 64

• 128

• 512

What are the main colours that a computer screen is made up of? (If you look closely enough you can see them)

• Black, White and Red.

• Red, Green and Yellow.

• Red, Green and Blue.

• Yellow, Green and White.