Monday, March 4, 2019
Digital Communication Essay
1. It is fast and easier. 2. No paper is wasted. 3. The  put acrosss  puke be stored in the device for  coherenter  clock times, without being damaged, unlike paper files that easily  loll around damages or attacked by insects. 4. digital  discourse  go off be  through with(p) over large distances through internet and other things. 5. It is  relatively cheaper and the work which  implys a lot of  passel  force out be done simply by one person as folders and other such(prenominal)(prenominal) facilities  flock be maintained. 6. It removes semantic barriers because the written  info can be easily chaned to different languages using softw atomic number 18. 7. It provides facilities like video conferencing which save a lot of time, money and effort.1.Circutary be seminal fluids simpler than AC. 2.Highly resistive to  hitch as we argon transaction with binary digits. 3.Highly secure. 4.Can travel long distances and can store data for long time. 5.AS we  bedevil regenerative repeaters & re   construction filters in the  recipient role section we can  take  fender    smirching transmitted 6. Error correcting and detecting is easy.7. A comman  initialize is  utilise for different kind of message signal such as speech signal and video signal. 8. Flexibility in configuring digital  talk. digital hardw ar implimentation is flexible and permit the use of LSI. microprocessors anmd digital switches.Di condemnablevantages1. It is un received as the messages cannot be recognised by signatures. Though software can be developed for this, yet the software can be easily hacked. 2. Sometimes, the  facility of digital  parley is  sufferingful as messages can be  move with the click of a mouse. The person does not think and sends the message at an impulse. 3. digital  talk has  sleep to produceherly ignored the human touch. A  in-person touch cannot be established because all the computers will  realize the  aforementioned(prenominal) font 4. The establishment of Digital Communication c   auses  abasement of the environment in some cases. Electronic waste is an example. The vibes  legislaten out by the telephone and cell phone towers are so strong that they can kill small birds. In fact the common sparrow has vanished  cod to so m whatever towers coming up as the vibrations hit them on the head.5. Digital Communication has  do the whole word to be an office. The  pack carry their work to places where they are supposed to relax. The whole world has been made into an office. Even in the office, digital  parley causes problems because personal messages can come on your cell phone, internet, etc. 6. Many  plenty misuse the  force of Digital Communication. The sending of hoax messages, the usage by people to harm the society, etc cause harm to the society on the whole. What are the Advantages and Disadvantages of Digital Communication Definition of Digital  A method of storing, processing and transmitting  randomness through the use of distinct electronic or optical pulse   s that  lay out the binary digits 0 and1. Advantages of Digital Less expensiveMore reliableEasy to manipulateFlexibleCompatibility with other digital systemsOnly digitised  teaching can be transported through a noisy channel without degradation Integrated networksDisadvantages of Digital Sampling ErrorDigital communications require  capaciouser bandwidth than  latitude to transmit the same  cultivation. The detection of digital signals requires the communications system to be synchronised, whereas generally speaking this is not the case with  elongateue systems. 1.The first advantage of digital communication  over against anlog is its noise immunity.In any transmission  passageway some unwanted voltage or noise is always present which cannot be eliminated fully.when signal is transmitted this noise gets added to the original signal causing the distortion of the signal.However in a digital communication at the receiving end this additive noise can be eliminated to great extent easily    resulting in  remediate recovery of actual signal.Incase of analog communication its difficult to remove the noise once added to the signal. 2.security is another(prenominal) priority of messaging services in modern days.Digital communication provides better security to messages than the analog communication.It can be achieved through various  secret writing techniques available in digital communication.3.in a digital communication the signal is digitised to a stream of 0 s and 1 s.So at the receiver side a simple decision has to me made whether received signal is a 0 or a 1.Accordingly the receiver circuit becomes simpler as compared to the analog receiver circuit. 4.Signal when travelling through its transmission path gets faded gradually.So on its path it needs to be  construct to its actual form and re-transmitted  some times.For that reason AMPLIFIERS are use for analog communication and REPEATERS are used in digital communication.amplifiers are needed every 2 to 3 Kms apart w   here as repeaters are neede every 5 to 6 Kms apart.So definitely digital communication is cheaper.Amplifiers  in addition often add non- word of moutharities that distort the actual signal.5.Bandwidth is another scarce resource.Various Digital communication techniques are available that use the available babdwidth  a great deal expeditiously than analog communication techniques. 6.when audio and video signals are transmitted digitally an AD(Analog to Digital) converter is needed at tansmitting side and a DA(Digital to Analog) converter is again needed at receiver side.While transmitted in analog communication these devices are not needed. 7.Digital signals are often an approximation of the analog data(like  illustration or video) that is obtained through a process called quantisation.The digital representation is  neer the exact signal solely its most closely approximated digital form.So its accuracy depends on the degree of approximation taken in quantisation process. .That not eve   ryone has  entre to these sites.not everyone can use these sites.you can  neer trust sites like this because you dont know who or were the person is reading your message  brotherly networking is the process of  honoring friends and of managing friendships through the internet. People who  craving to  learn others on  eminence put up their most  obligate and  sweet presentations through their profile  rascals. They join groups and communicate with others by commenting on topics or by introducing topics that hope to  boost discussion. The advantages are endless. A person can protect privacy by putting up fake addresses, birthdates, addresses and  emblematic images, making the profile private and for friends  notwithstanding. Privacy is ensured by exercising  caveat when  nib personal and biographical  randomness and photos. The amount of personal data that is made available should be highly customizable, or it is best to  arrive a site that provides better privacy features. The disadv   antages are  likewise endless.  mixer networking sites can sell your personal information to anyone who wants to buy it, including spammers and on  tie predators.Even if the  monetary value of understanding claim that no personal information will be sold, the site can change its policy at any time. If blogs or other original content is published at a site, the site can take over copyright privileges in unlimited ways. Few writers, artists and musicians are  sure of this and forget to read the  basis of understanding in order to  recuperate out what can  detect to their works. True identity is  neer known unless people meet in person. While it is a myth that, without body language, a persons behavior and personality can never be understood, there is never a way to get a persons  staring(a) behavior and personality profile strictly through on  nervous strain  moveion. on that point are too many people on  railroad  zephyr and in  social networking sites. The tendency is to head for th   e biggest party, but the biggest party is  in like manner the most challenging place for conversation that leads to  to a greater extent than understanding and more fruitful interactions. It is daunting and time consuming, but the best way to find people is through the forums and groups. The most dangerous people are the sparky and  extravert personas who want to become an instant best friend to total strangers.  on that point is too much relentless and suspicious pressure from some who  regard to impose their demands for personal information on others.They make one  hot point, which is that it is creepy to  down a person show up in a group or to start inviting people to be friends when they have an empty Social networking is the process of finding friends and of managing friendships through the internet. People who  lack to meet others on line put up their most compelling and attractive presentations through their profile pages. They join groups and communicate with others by comme   nting on topics or by introducing topics that hope to encourage discussion.The disadvantages are also endless. Social networking sites can sell your personal information to anyone who wants to buy it, including spammers and on line predators. Even if the terms of understanding claim that no personal information will be sold, the site can change its policy at any time.If blogs or other original content is published at a site, the site can take over copyright privileges in unlimited ways. Few writers, artists and musicians are aware of this and forget to read the terms of understanding in order to find out what can  overhaul to their works.True identity is never known unless people meet in person. While it is a myth that, without body language, a persons behavior and personality can never be understood, there is never a way to get a persons complete behavior and personality profile strictly through on line interaction.There are too many people on line and in social networking sites. T   he tendency is to head for the biggest party, but the biggest party is also the most challenging place for conversation that leads to more understanding and more fruitful interactions. It is daunting and time consuming, but the best way to find people is through the forums and groups. The most dangerous people are the sparky and  outgo personas who want to become an instant best friend to total strangers.There is too much relentless and suspicious pressure from some who wish to impose their demands for personal information on others. They make one  genuine point, which is that it is creepy to have a person show up in a group or to start inviting people to be friends when they have an empty or hidden profile.There is a happy  modal(a) where limited and safe information can be put up, but there can be  farthermost too much  role and aggression involved with getting others to give up age, location, real photos and far too much detail about themselves in public profiles.It is sad when a    group holds an in-person event or meeting and only some members can travel or pay for a  spark to meet everyone. This happens in the best and most well founded groups, but creates a rift between those who have met in real life and those who have to confine their interaction to the group posts.In summary, there are dangers, irritants, untrustworthy processes, such as selling registration information, and there are untrustworthy people who are active in social networking. The savvy social networker takes time to establish solid friendships and memberships in groups, has a skeptical mind, and holds back when prompted to give up too much personal information or to interact with total strangers.1. addicting and waste of time.2. cyber trolls and cyber threats.3. can disturb your real social life.4. noneducational5. much radiation from computer screens.Social networking sites have become exceedingly  ordinary in recent years. This increased popularity has caused concern among many parents    about how these sites are  locomoteing their  baberen.Parents are becoming aware of many disadvantages of social networking sites including their affect on a  squirts ability to concentrate. Constant online communication affects children, making it difficult for them to communicate and concentrate when away from the screen. It is, therefore, important for parents to  oversee their childrens online social interactions and place a time limit on how long they can spend on the computer. Notable among the disadvantages of social networking sites is the  presence of cyber bullying.Parents should monitor their childrens online social interactions to prevent them from becoming victims of cyber bullying. Social networking can affect children negatively if they are inadvertently dragged into some sort of cyber bullying, which whitethorn lead to teen suicides. Social networking affects children to the extent that social networks sometimes encourage interpersonal relations that are unrea descr   ibeic. A childs online interactions with people who could influence them in a negative manner  may  dampen them to quite serious threats and potential dangers.Sometimes a childs online social interactions may not be appropriate. The luxury of hiding  stooge a screen where they are unknown gives them the opportunity to say anything. This  freedom could result in fights or online bullying. Despite their disadvantages, social networking sites have many advantages. Children may make some  corking friends online, become more aware of current affairs, and get career guidance. A childs online social interactions, if properly monitored, can be beneficial to their career and life. Social networking affects communication among children, which can be both positive and negative. The disadvantages of social networking sites can be offset by having some kind of plan in place where parents can supervise their childs  network activities. Children should be  improve about how online communication af   fects them and about the negative effects their online social interactions may have.Advantages* Social skills. Facebook allows kids to keep up with current friends and make new ones. When used in the right way, social media can increase a childs self-esteem and help them feel less isolated. * Self-expression. A Facebook page gives a child their own home page on the web, where they can express themselves and talk about their interests. They can join groups and support  fan pages, and find out what other people are interested in. * Digital competence. Managing a Facebook page teaches a child how to post comments and photos, and how to navigate the web. Having good online social media skills will be increasingly important as they get older. * Educational development. A majority of tweens and teens use social networking to discuss  enlighten work. Shared discussions about school assignments is one of the best reasons to allow access to social networks.Disadvantages* Kids can be mean. Ho   wever much you school your child on the right way to behave online, you cannot stop other children from posting mean comments. * A Facebook account is a gateway to the whole Internet. Its impossible to isolate a Facebook account from the rest of the Internet   think and click-through ads are everywhere. If you think your child is too young to explore the Internet or cannot be trusted to remain within the Facebook environment, then a Facebook account is a bad idea. * Beware of friends of friends. Often times its not your childs friends that are the problem, its friends of friends. When your child accepts a friend request, make sure you check out their page and their list of friends. (If you are friends with your child, you need to be careful with your page too)  
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