Present perfect continuous or simple?
I have been doing or I have done? Mike has been repairing the car. Mike has repaired the car. We use the present perfect continuous for an action happening over
» Read moreThe present perfect continuous
Introduction We use the present perfect continuous for an action (waiting). The action happens over a period of time (for twenty minutes). Here the period lasts up to the present
» Read moreComputer Networks – ARP
Address Resolution Protocol (ARP) is a procedure for mapping a dynamic Internet Protocol address (IP address) to a permanent physical machine address in a local area network (LAN). The physical machine address
» Read moreComputer Networks -Routing algorithm
Routing algorithm In order to transfer the packets from source to the destination, the network layer must determine the best route through which packets can be transmitted. Whether the network
» Read moreComputer Networks- OSI Model and Different layers
What is the OSI model? The Open Systems Interconnection (OSI) model is a conceptual model created by the International Organization for Standardization which enables diverse communication systems to communicate using
» Read moreComputer Networks- TCP/IP Model
TCP/IP model The TCP/IP model was developed prior to the OSI model. The TCP/IP model is not exactly similar to the OSI model. The TCP/IP model consists of five layers:
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