0
Computer Networking
Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.
18,810 Questions
255.255.254.0
What is the Bit Rate of 802.11g?
54 Mbit/sec not including collision errors. average in reality is about 22Mbit/sec
ipconfig
What are some uses for a router jig?
A router jig is a piece of equipment that is used as a guide for woodworkers. The worker puts the jig on their piece and uses it to help them keep straight lines and angles.
How many connections are made to a 3 port valve?
A 3-port valve typically has three connections: one inlet and two outlets. These connections allow the valve to control the flow of fluid between different paths. Depending on the configuration, the valve can direct the flow to either of the two outlets or to both simultaneously.
Can tcp and udp work at the same time?
Yes, and they frequently do, although on different port numbers for different protocols.
What are the five types of network topology?
1.bus topology,
2.ring topology,
3.mesh topology,
4.star topology,
5.hybrid topology
Can any analog signal be converted to digital?
yes of course we can convert an analog signal to digital...
the device which converts analog to digital is called ADC{ANALOD TO DIGITAL CONVERTER}..
AND IT USES A VERY SIMPLE TECHNIQUE
i will tell you how.
let us suppose we are having any analog signal,
so we find the maximum amplitude of that signal by looking at the curve.
then we find the minimum amplitude of that signal.
thus we are now having the full range of the signal between which its value remains..
now let the maximum value is 5 volts and minimum is 0 volts.
so what we do now is that we take any reference point between 0 and 5 volt
let us split 0 -5 volt in two groups
1)0 to 2.5 volt and
2)2.5 to 5 volt
now by the help of programming we set 0 to 2.5 volt as zero and 2.5 votl to 5 volt as 1
so what ever value which will lie between 0 and 0.5 will be converted to 0 and the values between 2.5 and 5 will be converted to 1.
thus we get a digital signal from an analog signal
--------mrityunjay pandey
(kiit university ,b.tech 2nd year)
NTFS on NTFS volumes only
Algebraic topology provides powerful tools to study topological spaces through algebraic methods, allowing for the classification and comparison of shapes and structures. It simplifies complex geometric problems by translating them into algebraic terms, making it easier to analyze properties like connectivity and continuity. Additionally, it has applications across various fields, including physics, data analysis, and robotics, enhancing our understanding of spatial relationships and transformations in both theoretical and practical contexts.
Wireless Mesh is terminology used to describe a wireless data network. What makes Mesh Networks so appealing is their ability to be deployed in all types of environments. Mesh Networks are commonly found supporting voice, data, and video. Municipal links commonly support video surveillence application throughout a community. The advantage of a Wireless Mesh Network is that it uses wireless switching that routes data via the path of greatest efficiency ala Ohm. A disadvantage of wireline networks is that they are vulnerable to a single point of failure. Wireless Mesh Networks are comprised of nodes that may support access points or simply data transmission. Vehicles may also act as nodes when equipped with an embedded node. Vehicles may also be used to extend a network. If a tornado takes out a node, you simply dispatch a node equipped vehicle to take its place. Also, when a node goes down, data is switched around it, keeping the network up.
The distance is about 100 for both CAT-5e and CAT-6. One of solutions is to install replicator, another one is to use coax either thinnet (175 m) or thicknet (400 m). Also you can use fiber optices (if you are going to use with long distances single mode fiber has to be used).
It's short for "mommy" which is how Americans typically address their "mummy", which itself shortens to "mum". They all mean "mother".
It is the first version of the transport layer security protocol. It is often used to encrypt and authenticate connections between users and web servers.
Where can one purchase a BNC cable?
One can purchase a BNC cable from the following online stores; Bestbuy, Walmart, Amazon, Lowe's, TigerDirect, and Micro center computer and electronics.
Let's imagine 3 people with very similar voices, trying to communicate. If two of them start talking at the same time, the third person would hear a mixture of their voices and not understand a thing. This person will usually say "hey, not together! One of you must wait, while the second talks!"
A similar thing happens with, say, 3 computers on one LAN segment. Computer A wants to send some information to computer B, and computer C wants to communicate with computer B also. The rule is, that if one device is transmitting, other devices listen, and wait for the transmission to end, before they start transmitting themselves.
But it may happen, that after a period of "silence", computers A and C decide to start "talking" at the same moment, and their signals collide on the network. The procedure is, that if they sense that a collision took place (by listening to their own transmission and "hearing", that the signal gets distorted), they both stop sending signals and wait a split second. The ingenious thing is, that each one waits for a randomly chosen time length, and hence one will restart transmission sooner - and will be able to finish, because the rule is "one talks, rest listens".
The physical nature of a collision. Network communications happen by means of electrical signals. Putting it simple, when a device is "talking", it forces a series of voltage changes in the circuit. If two devices want to force a different series of voltages in the same circuit, the result will be rubbish, because each will try to force their voltage, one counteracting the other. Each device, as I said before, listens to what it is transmitting, and if it senses, that the voltage in the circuit is different to what it was trying to force (in other words - that the transmission is getting corrupted) - it knows, that a collision is taking place and they should stop, and wait for a random period.
When would a wired network be more appropriate for home use than wireless?
A wired network would be more appropriate for home use than wireless if the user intends to use a desktop. If the purpose for the Internet connection is only to use it on the desktop or one particular place and not in any part of the house, then wired network will be better. And if there is only going to be one or two users not a number of users, wired network will be better.
Why does it take so long to download an ISO?
It all depends on the size of the file, and your internet connection. ISO files are large compressed image files used to boot CD/DVD's and there installed files. They can be up to 10 gigs easily. With a 100KB line, 4 gigs will take a few hours. With a 5KB line like dial up it will takes weeks.
