BTEC National ICT - U1 LAA Software File Types 3

.html

• Proprietary software

• Open-source software

.csv

• Proprietary software

• Open-source software

The following file extensions are examples of open-source software: .psd .ppt .acddb

• True

• False

An none editable document, that preserves all the formatting, graphics, and layout of the document

• .docx

• .xls

• .pdf

• .psd

What is the difference between Lossy and Lossless compression?

• Lossy compression reduces the file size without losing quality

• Lossless compression only works for image files

• Lossless reduces the file size without losing quality

• Lossy compression isn't real

What would happen if you were to use lossy compression on a '.txt' file?

• All text within the file would be erased

• An error message will pop up

• Some letters would be missing, including spaces

• There would be no loss of text

Leo wishes to remove the background from an image and save it with transparency. Which of the following file types should he choose?

• JPEG

• GIF

• BMP

• TIFF

How many different colours can be displayed in a JPEG?

• 256

• 1600

• 16,000

• 16 million

How many different colours can be displayed in a GIF?

• 256

• 1600

• 16,000

• 16 million

Which of the following file formats uses LOSSLESS compression? (Choose as many as appropriate)

• GIF

• JPEG

• PNG

• BMP