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Q. What is an Error?
At any time bits flow from one point to another they are subject to unpredictable changes because of interference
The interference is able to change the shape of the signal thus the bit value either from -1? to -0? or from -0? to -1?
State about the Single Sign-On Intranet This Intranet, if managed efficiently, allows maximum security by firewalling anyone from inappropriate sites automatically. For exam
simple introduction,defination and with example & digram
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
Q. Microwave Applications? - Unicasting - one-to-one communication among sender and receiver - Cellular phones - Satellite networks - Wireless LANs
Linked List A linked list is a data structure composed of zero or extra nodes linked by pointers. Each node consists of two parts, as shown in Figure: info field having specifi
What is Multiplexing? Multiplexing is the set of techniques that permits the simultaneous transmission of multiple signals across a single data link.
Bridges - Operate in both physical and data link layers - Utilized to divide a network into smaller segments - May as well relay frames between separate LANs - Keeps t
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
Concept of how does the IP message finally reassemble?
There are various computational models for representing the parallel computers. In this part, we discuss various models. These models would give a platform for the designing as wel
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