A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
Answer and explanation : The TCP/IP means TRANSMISSION CONTROL PROTOCOL AND INTERNET PROTOCOL It governs all the communication which are performed over network it has a set of protocol. It defines how different types of conversation are performed without any fault through a network
THERE ARE 5 TYPES OF LAYER IN TCP/IP MODEL
- APPLICATION LAYER: It is present at upper level it is used for high level products for the network communication
- TRANSPORT LAYER: This layer is used for transfering the message from one end to other end
- NETWORK LAYER : Routers are present in network layer which are are responsible for data transmission
- DATALINK LAYER : it is used when there is any problem in physical layer for correcting this datalink are used
- PHYSICAL LAYER: Physical; layer are responsible for codding purpose which we used in communication process
