Computing and Informatics
What are the different forms of secondary storage media employed in modern day computer systems?
Various secondary storage devices are classified into two categories 1. Detachable storage devices 2. Fixed storage de…
Computing and Informatics
What is Physical Layer?
The physical layer is responsible for encoding and transmission of data over network communications media. It operates …
Computing and Informatics
What is Data Link Layer?
Data Link Layer is used to move packets from the network layer on two different hosts. The process of transmitting pac…
Computing and Informatics
What is Network Layer?
It gets the packets across networks. It transfers data from a source network to destination network. This generally inv…
Computing and Informatics
What is Transport Layer?
Transport Layers responsibilities include end to end message transfer capabilities independent of the underlying netwo…
Computing and Informatics
What is Application Layer?
The Application Layer is used by most programs for network communication. Data is passed from the program in an applica…
Computing and Informatics
How does a Floppy Disk work?
A Floppy Disk is a plastic disk coated with magnetic material. Data is stored in the disc in concentric circles called…
Computing and Informatics
What is a file? What are the features of file management?
File is an organised collection of related records. File management is one of the tasks of the operating system . File …
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