...... are programs that attach themselves to a computer or a file and then circulate themselves to other files and to other computers on a network.

Related MCQs

• In ....... topology, several devices or computers are connected to one centralised computer.
• In ....... topology, several devices or computers are connected to each other in a closed loop by a single communication.
• Unauthorised access to computer system or network is called.......
• ...... is the study encompassing user behaviour and what networked computers are programmed to do, and how this affects individuals and society.
• ....... is the graphical internet service that provides a network of interactive documents and the software to access them.
• Network of networks are also called as......
• ...... is a private network accessible only to an organisation’s staff.
• Computer is free from tiredness and lack of concentration ,fatigue etc, this feature is known as......
• The brain of any computer system is the .....
• The most common computer pointing device is ......