Apple Gadgets

Apple iPad Mini To Be Released In October              Apple is ready to release the new iPad Mini in October 2012. The company will have two separate press events later this year, one for the iPhone 5 in September and one for the iPad Mini in October. For your info, the new iPad Mini features a 7.85-inch touchscreen display. Stay tuned for more updates. [PCLaunches].Apple Introduces New iPad With Retina...

Read More

Gadgets

Pyro Android 4.0 ICS Tablet         Chinavasion has recently added a new Android 4.0 ICS tablet to its product page. Called the Pyro, the device sports a 10.1-inch 1024 x 552 capacitive multi-touch display, a 1.0GHz Cortex-A8 processor, a 1GB DDR3 RAM, an 8GB of flash storage, a microSD card slot (up to 32GB), a 0.3MP front-facing camera, 1080pFull HD video playback support, WIfi, an HDMI port, a built-in speaker, a 5000mAh...

Read More

What is OSI model

OSI model:-       The Open Systems Interconnection (OSI) model is a product of the Open Systems Interconnection effort at the International Organization for Standardization. It is a prescription of characterizing and standardizing the functions of a communications system in terms of abstraction layers. Similar communication functions are grouped into logical layers.          The layers are   ...

Read More

Data Flow in the OSI Model

how the data flow one system to another system in OSI model?          The OSI model presents a standard data flow architecture, with protocols specified in such a way that the receiving layer at the destination computer receives exactly the same object as sent by the matching layer at the source computer. Figure A.2 shows the OSI model data flow.            The sending process passes data to...

Read More

Network Means

What is network ?            A network is any collection of independent computers that communicate with one another over a shared  network medium.A computer network is a collection of two or more connected computers. When these computers are joined in a network,Users can share files and peripherals such as modems, printers,tape backup drives, or CD-ROM drives. Requirements Of a Network:-1.At least two computers...

Read More

Requirements Of Network

Network Inteface Controller :-       A network interface controller (also known as a network interface card, network adapter, LAN adapter and by similar terms) is a computer hardware component that connects a computer to a computer network The NIC may use one or more of four techniques to transfer data: Polling is where the CPU examines the status of the peripheral under program control.Programmed I/O is where the microprocessor...

Read More