Computing Revision

Which file type would be better for pictures?

• mp3
• JPeg
• PDF

I would use a PDF for music?

• True 
• False

Lossy compression is when bits of the image are lost

• True
• False

Lossless compression has a larger file size than lossy?

• True
• False

Which one is not a security utility?

• Anti-virus
• Spyware
• Firewalls
• Formatting

What is the definition of anti-virus software

• Protects the computer from known viruses
• Protects the user from viruses
• Allows users to infect their computer with viruses
• Allows users to infect another computer with a virus

A firewall filters information which comes through your internet connection?

• True
• False

Off-the-shelf software is cheaper than custom written software?

• True
• False

What type of software takes a long time to create and is expensive?

• Off-the-shelf Software
• Custom Written Software
• Open Source Software

You have to pay to use open source software?

• True
• false