Skip to main content

2. Star Network topology

By
In star topology all devices or computers are connected to one centralized server. They are connected with server by hub.
 Star topology is used in that network where end points are directly reachable from central location. Because each nodes link to the server by different cables. There is no risk of data collisions. Each computer connected to the hub by its own cable segments only a single computer can transmit at a time and every computer on the network wait for message. Thus it is best on broadcasting architecture.
a.     Advantages
i.                    Devices are attached to server by its own cable, thus break down of cable affects only to that nodes.
ii.                  Failure of single node will not affect the rest of the network.
iii.                Central hub can be represent with other having more ports to plugs the nodes.
b.     Disadvantages
i.                    Failure of central hub will affect whole network.
ii.                  More expensive.

iii.                Required more cables and costly hub.

Fig: Star Network Topology 

Labels:

Comments

Post a Comment

Popular posts from this blog

Passing arrays to functions in C programming

By
Like any other variables, we can also pass entire array to a function. An array name can be named as an argument for the prototype declaration and in function header. When we call the function no need to subscript or square brackets. When we pass array that pass as a call by reference because the array name is address for that array. /* Program to illustrate passing array to function */ #include<stdio.h> void display(int) ; /* function prototype */ main( ) { int num[5] = {100, 20, 40, 15, 33, i ; clrscr( ) ; printf (“\n The content of array is \n”) ; for (i=0; i<5; i++) display (num[i]) ; /*Pass array element fo fun */ getch{ } ; } void display(int n) { printf (“\t%d”, n ) ; } Output:     The content of array is 100      20       40       15 3 /* Program to read 10 numbers from keyboard to store these num into array and then c...
Post a Comment
Read more

CPU (Central Processing Unit)

By
PGA reffered as pin grid array in which pins of CPU are lined up in a straight format. SPGA referred as staggered pin grid array. in which pins of CPU are arranged staggered format. LGA reffered to as Land Grid Array in which pins are available within inside the socket but not in the CPU in other words in line grid array, in CPU ther are no pinsbut insteadpins areattached with in a socket which contact with with the CPU. for e.g. LGA775 socket(no pins on cpu) has better cooling system. better contact and better locking(climbing). LGA1155: Letest generation I socket, also reffered as sandy bridge, Turbo boost overclocking. More resent than LGA 1156 socket. LGA1156: ability to north bridge Doul channel DDR3 optional integreted graphics PCI express LGA1366: hi end core i series socket integreted tiple channal memmory controller external control bridge(HUB) Upgrading CPU: need to check its core suppert check multiprocessor supports or not check on the ...
Post a Comment
Read more

Recursive Function in C programming

By
             If a statement within the body of a function calls the same function, the function is called recursive function. Actually, recursion is a process by which a function calls itself repeatedly until some specified condition has been satisfied. This process is used for repetitive computations in which each action is stated in term of previous result. Many iterative or repetitive problems can be written in this form.                To solve a problem using recursive method, two conditions must be satisfied. They are: 1)       Problem could be written or defined in term of its previous result. 2)       Problem statement must include a stopping condition. /*   An example of recursive function to calculate factorial of a number.*/    #include<stdio.h>    #include<conio.h...
Post a Comment
Read more