Lichens, the pioneer organisms that initiate ecological

In an operating system, which memory management technique swaps out entire processes to free up memory space?

CDs  is which type of device?

Output is

___________ is a programming language for creating special programs like applets. 

Which of the following system software does the job of merging the records from two files into one ?

A set of programs that enables your computer’s hardware devices and application software to work together is called 

The change in the existing document is called

In the OSI model, which layer is responsible for end-to-end communication and error recovery?

___________ is a passage to connect two networks together that may work upon different networking models. 

________ are used in an e-mail to express emotions of feelings clearly.