State whether the following statements are true or false:

a. A computer virus is a destructive program that disturbs the normal functioning of a computer. ( )

b. A computer virus can replicate but cannot execute itself. ( )

c. A computer virus can hide itself in other host files. ( )

d. Computer viruses can spread through wireless Internet. ( )

e. You can see computer viruses on a computer like other files. ( )

f. The computer infected with computer viruses becomes faster than usual. ( )

g. The computer virus increases the size of the hard disk. ( )

h. Pirated software is a source of computer viruses. ( )