BTEC IT - File types & compression

These photo files are quite large and are often used in print documents.

• TIF
• PNG
• GIF
• JPG

Image file that uses up to 16 million colors. It is the most common format for storing and transmitting photographic images , but does not support transparency.

• PNG

• JPG

• TIF

• GIF

what type of file is .jpg

• video

• audio

• video / audio

• image

what type of file is .mov

• audio

• text

• video

• image

what type of file is .ppt

• text

• excel

• access

• powerpoint

what type of file is .rtf

• text

• audio

• video

• rich text format

Which file type supports animation and transparency?

• GIF
• JPG
• PNG
• EPS

Which file type has lossy compression?

• GIF
• JPG
• PNG
• EPS

Lossy compression is commonly used for image, video, and audio files because human sight and hearing are imperfect and cannot detect small losses in the data.

• TRUE

• FALSE

Which kind of file would be hurt most by a lossy compression algorithm?

• A text document

• An audio file containing music

• An audio file containing speech

• A digital photograph