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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
The port number lets IP know which service should be presented a data packet.
How do you convert 4b to 5b code in encoding techniques?
You will need to use this table to obtain the 5 Bit symbols.
4-Bit 5-Bit Code
0000 11110
0001 01001
0010 10100
0011 10101
0100 01010
0101 01011
0110 01110
0111 01111
1000 10010
1001 10011
1010 10110
1011 10111
1100 11010
1101 11011
1110 11100
1111 11101
What is the dns ip address for Gmail?
DNS is the domain name system for short .DNS is a system that maps a name to an address . Ip address for Gmail.com is 173.194.36.86 .
Where can you find dns settings?
In you're using Windows, open a terminal window (Start > Run > "cmd")
Then type: "ipconfig /all"
The DNS servers will be among the information listed.
If you're asking about what a good DNS server to use, go with 8.8.8.8, that's Google's free public DNS server.
It depends on what it is a bit of, as everything is relative, but the term usually refers to a small fractional unit. In time, a bit can be a few minutes from an hour, or an hour or two from a day. In American money, 25 cents is two bits, and 50 cents is four bits, meaning that a bit would be twelve and a half cents. The terms "two-bit" and "four-bit" are thus used in reference of other things to denote them as inconsequential.
one bit is 12.5 cents.
How do ISPs obtain public IP addresses?
"ISPs obtain allocations of IP addresses from a local Internet registry (LIR) or national Internet registry (NIR), or from their appropriate Regional Internet Registry (RIR)"
http://www.iana.org/numbers/
What is the purpose of an operating system?
An operating system is the framework that allows you to communicate with computer hardware in an interactive way. Without this, you would not be able to tell the computer to do anything and it would have any instructions to follow. This is why it is important for a computer to have an operating system. In early days without OS so much problems where faced like accessing or getting output it takes two days. To make it much more efficient OS is used.
To Execute user program easier. To solve the user problem easily.
To make the computer system convenient to use. there are three objective of Operting system-
1:- convenience
2:-Efficiency
3:-Ability to evolve
the three main objectives of operating systems are:
to be convenient and efficient for user
to allocate resources
to provide abstraction
From TechNet: Set the Same Initial and Maximum Size
Setting the paging file's initial size and maximum size to the same value increases efficiency because the operating system does not need to expand the file during processing. Setting different values for initial and maximum size can contribute to disk fragmentation.
What is the difference between a Lan and a WLAN?
local area network is only for small area and wireless local area network is for one building.
Why very low frequency is having no use for data transfer in computer network?
Low frequency devices are losing popularity in computer networking because of their slow transfer rates. The higher the frequency of a device the faster it can transfer data.
What is the PDU of the network layer?
What is a PDU?
corruption of a frame during transmission
data reassembled at the destination
retransmitted packets due to lost communication
a layer specific encapsulation
How can you connect between two switch without router?
connect it with a crossover cable connect both end to same type port either two gigabit port or two fast ehternet port
How Radiation mode work in a optical fiber?
For an optical fiber or waveguide, a radiation mode or unbound mode is a mode which is not confined by the fiber core. Such a mode has fields that are transversely oscillatory everywhere external to the waveguide, and exists even at the limit of zero wavelength.
Specifically, a radiation mode is one for which
where β is the imaginary part of the axial propagation constant, integer l is the azimuthal index of the mode, n(r) is the refractive index at radius r, a is the core radius, and k is the free-space wave number, k = 2π/λ, where λ is the wavelength. Radiation modes correspond to refracted rays in the terminology of geometric optics.
Look at this web page: http://en.wikipedia.org/wiki/History_of_computing_hardware
Merit and demerit of computer networking?
Merits : 1. Easy Communication and Speed 2. Ability to Share Files, Data and Information 3. Sharing Hardware 4. Sharing Software 5. Speed Demerits : 1. Breakdowns and Possible Loss of Resources 2. Expensive to Build 3. Security Threats 4. Bandwidth Issues
What two countries used to be connected by a land bridge?
Russia and the United States were connected by the Bering Land Bridge.
if this is a starwars question than there is no such thing.
How do you check your ping on crossfire?
Press TAB in a game. The numbers to the right of your name are your PING. At the bottom is your FPS. If it is low, you will lag, but that's a different lag them if your ping is to high. If your FPS is to slow your computer is either not good enough for Crossfire, or you have to many programs open. If your ping is to high, theres nothing you can do about it.
