............... is a type of computing that performs computation, storage and even applications as a service across a network.

• Cloud Computing

• Distributed Computing

• Parallel Computing

• Virtual Computing

................ changes each time it is installed to avoid detection by antivirus software.

• Polymorphic virus

• worm

• logic bomb

• trojan horse

................. involves traversing the entire system, marking everything that can be accessed.

• Index pointer

• Garbage collection

• File system

• Stack pointer

A ............ is an agreement between the communicating parties on how communication is to proceed.

• Path

• SLA

• Bond

• Protocol

C.P.U. consists of

• Arithmetic and Logical unit and Register

• Arithmetic and Logical unit, Register and Control unit

• System unit and Memory

• Hard disk and Control unit