It is used to erase all existing data on the disk and so a new disk does not need to be formatted.
Formatting initialises the filing system and so prepares a disk for use. All existing data on the disk is erased.
Formatting erases everything on the disk except the operating system.
All the above are true.
Zipped files are smaller and so sending them is faster
Zipped files are always virus-free
It is impossible to send unzipped files over a network connection
None of the above are true
Scan disk, antivirus
Anti-spyware software, antivirus
Scan disk, antivirus, anti-spyware software
Antivirus, trojan, anti-spyware software
A virus copies itself automatically between and within computers by attaching itself to another file.
A worm spreads very fast over a network and often slows down a system.
Trojans are not viruses because they do not copy themselves automatically
All the above are true