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weeeeeb [17]
2 years ago
7

Describe a cellular network, its principle components and how it works.

Computers and Technology
1 answer:
AlekseyPX2 years ago
7 0

A cellular network is a contact network with a wireless last connection. The network is divided into cells, which are served by at least one fixed-location transceiver station each. These base stations provide network coverage to the cell, which can be used to send voice, data, and other types of information. It's often referred to as a mobile network.

The principal components of the cellular network will be explained below as follows-

BTS (Base Transceiver Station) - It is the most important part of a cell since it links subscribers to the cellular network for data transmission and reception. It employs a network of antennas that are dispersed across the cell.

BSC (Basic Station Controller) - It is a portion that interfaces between Basic Station Controllers and is connected to Basic Station Controllers via cable or microwave links, as well as routing calls between Basic Station Controllers and the MSC (Mobile Switching Center).

MSC (Mobile Switching Center) - The supervisor of a cellular network is linked to several Basic Station Controllers and routes cells between them. It also connects the cellular network to other networks such as the PSTN through fiber optics, microwave, or copper cable.

A cellular network works when the SIM card is organized into geographical cells, each of which has an antenna that transmits to all mobile phones in the city, cellular networks operate by knowing the exact location, which comes from the SIM card. A transmitter generates an electrical signal, which is converted by the transmit antenna into an electromagnetic wave, which is then radiated, and the RF wave is then converted back into an electrical signal. In cellular network networks, four multiple access schemes are used, ranging from the first analog cellular technologies to the most modern cellular technologies.

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3 0
3 years ago
How to convert 23.125 to binary (Hex) using the double - precision representation
Svet_ta [14]

Answer:-

(10111.001)₂

Explanation:

To convert a decimal number to a binary number we have to constantly divide the decimal number by 2 till the decimal number becomes zero and the binary number is writing the remainders in reverse order of obtaining them on each division.

Hence the binary number is 10111.001

To convert binary to hexa decimal we to make a group 4 binary bits starting from the decimal and moving outwards if the last group is not of 4 then add respective 0's and write the corresponding hexa decimal number.

<u>0001</u>  <u>0111</u> . <u>0010</u>

   1        7         2

Hence the hexadecimal number is 17.2

6 0
2 years ago
A pointing device uses light to determine hand motion.
kirill [66]
The answer to this is Optical mouse. 

The reason the answer is optical mouse is because the optical mouse is a computer mouse which uses a light source, typically a light-emitting diode, and a light detector, such as an array of photodiodes, to detect movement relative to a surface. 

Hope this helped :)
have a great day 
3 0
3 years ago
Recall that with the CSMA/CD protocol, the adapter waits K. 512 bit times after a collision, where K is drawn randomly. a. For f
julia-pushkina [17]

Complete Question:

Recall that with the CSMA/CD protocol, the adapter waits K. 512 bit times after a collision, where K is drawn randomly. a. For first collision, if K=100, how long does the adapter wait until sensing the channel again for a 1 Mbps broadcast channel? For a 10 Mbps broadcast channel?

Answer:

a) 51.2 msec.  b) 5.12 msec

Explanation:

If K=100, the time that the adapter must wait until sensing a channel after detecting a first collision, is given by the following expression:

  • Tw = K*512* bit time

The bit time, is just the inverse of the channel bandwidh, expressed in bits per second, so for the two instances posed by the question, we have:

a) BW  = 1 Mbps = 10⁶ bps

⇒ Tw = 100*512*(1/10⁶) bps = 51.2*10⁻³ sec. = 51.2 msec

b) BW = 10 Mbps = 10⁷ bps

⇒ Tw = 100*512*(1/10⁷) bps = 5.12*10⁻³ sec. = 5.12 msec

5 0
3 years ago
Refer to the exhibit. An administrator is examining the message in a syslog server. What can be determined from the message? Thi
ad-work [718]

Answer:

This is a notification message for a normal but significant condition

Explanation:

Syslog represents the standard for logging message, it sends messages through UDP port 514. Familiar syslog facilities includes IP, OSPF protocols, etc. The messages from syslog are both about facility and level.

A syslog server is a means through which network devices sends messages about events into a logging server which is called syslog server. Since a syslog protocol supports so many devices, it can also be used to log a good number of events.

8 0
3 years ago
Read 2 more answers
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