1. False, you can still get viruses, just be careful on what you download
2. Something that is physically able to touch is hardware: Keyboard, Mouse, Hard Drive, Processor, Motherboard. (tell me if I messed on this one xd)
3. Temporary storage is in the RAM, and permanent storage is in the hard drive.
short-term memory/long-term memory
4. Microsoft Word, Google Chrome, iTunes, and Adobe Photoshop are all applications