The process of encoding data so that only authorized user may understand and use it
a) Firewall
b) blocking software
c) encryption
d) locking
…….. is an email message often used for the purpose of mass advertisement.
a) spam
b) cookie
c) location tracking
Which of the following automatically downloads and displays advertisements on computer without permission of user?
a) spam
b) adware
c) location tracking
The illegal instruction placed in a legitimate program is called…………....
a) trapdoor
b) bomb
c) trojan horse
Which of the following is not protected by copyright?
a) Mesic CD
b) brand name
c) software
d) Novel
Which of the following provides protection against using images on website without permission?
a) patent
b) copyright
c) trademark