DT1 Images WJEC UNIT 1

What are the tiny squares on an image referred to as?

• dots
• squares
• blocks
• pixels

Images that contain pixels are known as what type of image?

• Vector images
• Binary images
• GIF images
• Raster/Bitmap images

The number of bits that can be stored per pixel will determine what about the image?

• Resolution

• Color depth

• Metadata

• Pixilation

What is the colour depth of an image that can only store 2 bits per pixel?

• 4
• 8
• 16
• 32

A decrease in colour depth will lead to....

• More bits stored per pixel

• Less bits stored per pixel

What term is used to refer to the number of pixels that can be stored per inch?

• aspect ratio
• Colour depth

• Sampling

• resolution

Which type of graphic is made up of lines and curves

• Pixel graphic
• Bitmap graphic
• Vector graphic
• Raster graphic

Which method is used to reduce the size of an image file?

• Compression

• Deletion

• Reduction

• Mininmisation

Which file format is commonly used for moving image files?

• JPG

• GIF
• Tiff

• PNG

What term could be used to describe the enlargement of an image?

• Compression

• Reliability

• Upscale

• Downsize