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Q. Show Network Topology in digital system?
This deals with the geometrical arrangement of nodes (endpoints consisting of physical devices such as terminals, printers, PCs, andmainframes) interconnected by links (transmission channels). Network topologies may be classified as bus topology (multidrop topology), star topology, ring topology, tree topology, and distributed (mesh or hybrid) topology, as illustrated in Figure. Bus topology is used predominantly by LANs, whereas star topology is commonly used by private-branch exchange (PBX) systems. Ring topology may have centralized control (with one node as the controller) or decentralized control (with all nodes having equal status). Tree topology is used in most of the remote-access networks, whereas distributed topology is common in public and modern communications networks. A fully distributed network allows every set of nodes to communicate directly with every other set through a single link and provides an alternative route between nodes.
The Internet is physically a collection of packet switching networks interconnected by gateways along with protocols that allow them to function logically as a single, large, virtual network. Gateways (often called IP routers) route packets to other gateways until they can be delivered to the final destination directly across one physical network. Figure shows the structure of physical networks and gateways that provide interconnection. Gateways do not provide direct connections among all pairs of networks. The TCP/IP is designated to provide a universal interconnection among machines, independent of the particular network to which they are attached. Besides gateways that interconnect physical networks, as shown in Figure, Internet access software is needed on each host (any end-user computer system that connects to a network) to allow application programs to use the Internet as if it were a single, real physical network. Hosts may range in size from personal computers to supercomputers.
Http Hyper Text Transfer Protocol: The WWW protocol that performs the request and regain functions of a server. Generally seen as the first part of a website address. It is t
Diagnosis: Medical diagnosis program bases on probabilistic analysis have been able to perform at the level of an expert physician tin several areas of medicine. Heckerman(1981)
We can also use the logical operators to numbers directly and perform simple bit manipulation . The operators are & Bitwise AND | Bitwise OR ^ Bitwise exclusiv
Find how many bits of ADC are required to get an resolution of 0.5 mV if the maximum full scale voltage is 10 V Ans. Given Resolution=.5mV Full scale output=+10v %resolut
Q. Conversion of BCD number to binary using a procedure? Conversion of BCD number to binary using a procedure. Algorithm for conversion procedure: Take a packed BCD digit
Divide overflow is generated when (A) Sign of the dividend is dissimilar from that of divisor. (B) Sign of the dividend is same as that of divisor. (C) The first part
Q. Fundamental types of flash memory? Code Storage Flash which is made by Intel, AMD, Atmel. It stores programming algorithms and it is largely found in cell phones. Data
Packet switching is used for (A) Credit card verification (B) Automated Teller Machine (C) The internet and the World Wide Web (D) All of the above Ans
Q. Origin of RISC? In the 1980s a new philosophy developed having optimizing compilers which could be used to compile 'normal' programming languages down to instructions which
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