Here you can download the free lecture Notes of Data Communication Pdf Notes – DC Notes Pdf materials with multiple file links to download. The Data Communication Notes pdf (data communication lecture notes) book starts with the topics covering Model of Digital Communication Systems, PCM Generation and Reconstruction, Introduction, ASK,ASK Modulator, Pulse shaping for optimum transmissions.
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Objectives of Business Communication are as follows:
Image Source: carta.fiu.edu1. Inform:
The first and foremost objective of any communication is to inform. In today’s world, information is power. Communication brings power through information. The dissemination of information covers a wide range of areas, both internal and external.
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People within the organization have to be kept informed about the organizational goals, objectives, procedures, processes, systems, plans, priorities and strategies. Equally important is the objective of ensuring effective external communication—with customers, prospects, competitors, suppliers and the public, about products, services, plans, happenings, events and achievements.
The information needs within the organization take on different nomenclatures—market-related information, product-related information, client-related information, employee information, executive information and management information.
2. Educate:
Another objective of communication in an organization is to educate, i.e., to disseminate knowledge and develop skills and attitudes among the people working in the organization. There is also a need to familiarize them with the systems, procedures and processes.
This process of education may extend to customers as well. This may be done through product literature, publicity, presentations and demonstrations.
3. Train:
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Communication is an integral component of any training program. Business organizations need to train people to achieve proficiency in specific skills. They have to provide working knowledge and attitudinal inputs through training programs to employees at various hierarchical levels.
Training sessions involve teaching, instruction, demonstration, practice and discussion. The process of communication is integral to each of these.
4. Motivate:
People in any business organization have to be motivated to pursue goals and achieve higher levels of performance. High levels of morale and motivation are a must to ensure high levels of productivity and efficiency on a sustainable basis.
![Business Business](https://sdak24.com/wp-content/uploads/2017/09/07-business-commnication-2017--757x1024.jpg)
Communication provides the means to keep the motivation levels high. Talks, lectures, films, meetings, workshops and nonverbal messages are among the means used to motivate people.
5. Integrate:
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Large business organizations have different business units, departments and territorial divisions. Each of them pursues different goals, sub-goals and target sections. Communication provides the means for an integrated approach in pursuing organizational goals.
Effective communication is a must to ensure that people working in different functional and geographical areas are integrated into well-knit teams that eschew working at cross- purposes and continue to achieve organizational goals as envisaged. Communication binds together people working for a common objective and helps team building. Adobe photoshop cs6 13 0 final for mac torrent.
6. Relate and Connect:
Good business relationships are a must for the continued success of any business organization. It is communication that provides the means for building and nurturing mutually beneficial relationships. These relationships are both internal and external.
They may be among and/or between employees, supervisory staff, top management, customers, suppliers, other players, press and other media.
As part of the larger community, progressive organizations make it a point to relate themselves with the community at large. It demonstrates that they are a sharing and caring organization. All this is achieved through well-organized communication strategies.
7. Promote:
Promotional efforts are a must for any organization to fully achieve its objectives. One of the Ps of marketing (the others being Product, Price and Placement), promotion relates to various activities such as advertising, publicity, public relations and communication, which aim at customer information, customer education, customer communication and customer retention.
In the marketing concept, the customer is said to move from stage to stage till the transaction is completed. They move progressively from the state of awareness of the need for a product to the knowledge of the product and thereafter to a state of product preference.
The needs of the customers develop into effective demand for products, resulting in the purchase of the product or availing of the service. Promotional aspects of the service are particularly relevant in a service industry like banking or insurance, where the product, i.e., the service, cannot be readily ‘seen’.
Financial service providers essentially sell benefits. For this, they have to organize effective promotional measures, which seek to inform, educate, persuade and actualize the clients/markets. Communication constitutes the basic plank on which promotional strategies are built.
8. Entertain:
Every business is not necessarily a serious business. Even serious businesses are not ‘serious’ all the time. Whatever may be the nature of business, there is a time for entertainment. Communication facilitates entertainment.
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It facilitates social bonding and brings in lighter moments that help in releasing tension, fostering camaraderie and getting rid of negative feelings. Humour, when used effectively, can play a vital role in fostering positive behaviour in business organizations.
In the entertainment industry, communication has a much bigger role to play. Communication can serve to achieve the objective of purposeful entertainment.
5
Here you can download the free lecture Notes of Data Communication Pdf Notes – DC Notes Pdf materials with multiple file links to download. The Data Communication Notes pdf (data communication lecture notes) book starts with the topics covering Model of Digital Communication Systems, PCM Generation and Reconstruction, Introduction, ASK,ASK Modulator, Pulse shaping for optimum transmissions, Information and entropy, conditional entropy and redundancy, Matrix description of Linear Block Codes, Decoding using State, Etc.
Data Communication Pdf Notes – DC notes pdf file
Complete Notes
Link:Complete Notes
Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. If you have any doubts please refer to the JNTU Syllabus Book.
Topics covered in data communication lecture notes
Unit-I
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Elements of Digital Communication Systems: Model of Digital Communication Systems. Digital Representation of Analog Signal, Certain issues in Digital Transmission. Advantages of Digital Communication Systems, Bandwidth-SIN tradeoff. Hartley Shanon Law, Sampling Theorem
Unit-II
Pulse Code Modulation: PCM Generation and Reconstruction, Quantization noise, Non uniform Quantization and Companding, DPCM, Adaptive DPCM. DM and Adaptive DM, Noise in PCM and DM.
Unit-III
Digital Modulation Techniques: Introduction, ASK,ASK Modulator. Coherent ASK Detector, No n-Coherent ASK Detector, PSK, Bandwidth and Frequency Spectrum of FSK. Non coherent FSK Detector, Coherent FSK Detector, PSK Detection Using PLL, BPSK, Coherent PSK Detection. QPSK, Differential PSK.
Uni-IV
Baseband transmission and Optimal Reception of Digital Signal: Pulse shaping for optimum transmissions, ABaseband Signal Receiver, Probability of Error, Optimum Receiver, optimal of Coherent Reception, Signal Space Representation and Probability of Error, eye diagrams, Cross talk.
Data Communication Notes pdf – DC Notes Pdf
Unit-V
Information Theory: Information and entropy, conditional entropy and redundancy, Shannon Fano coding, Mutual Information, information loss due to noise, source codings – Huffman Code, variable length coding, Source coding to Increase average lnfomtation per bit, Lossy source coding.
Unit-VI
Linear Block Codes: Matrix description of Linear Block Codes. Error detection and error Correction capabilities of linear block codes. CyDecoding.
Unit VII
Convolution Codes: Encoding. Decoding using State, tree and trellis diagrams, Decoding using Viterbi algorithm, Comparison of Error Rates in Coded and Uncoded Transmission.
Unit-VIII
Spread Spectrum Modulation: Use of Spread Spectrum, Direct Sequence Spread Spectrurn(DSSS), Code Division Multiple Access, Ranging using DSSS. Frequency Hopping Spread Spectrum, PN – sequences: Generation . and Characteristics. Synchronization in Spread Spectrum Systems and for more please download the above PDF file.
Reference:
1. Data Communications and Networking, Behrouz A Forouzan, Fourth Edition.TMH.
2. Computer Communications and Networking Technologies, Gallow, Second Edition Thomson
3. Computer Networking and Internet, Fred Halsll, Lingana Gouda Kulkarni, Fifth Edition, Pearson Education
2. Computer Communications and Networking Technologies, Gallow, Second Edition Thomson
3. Computer Networking and Internet, Fred Halsll, Lingana Gouda Kulkarni, Fifth Edition, Pearson Education
Text books:
1. Introduction to Data Communications and Networking, Wayne Tomasi, Pearson Education.
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Frequently Asked Questions
Q1: What is computer network and how are they classified?
A1: Computer network is a system of interconnected computers and computerized peripherals like printers. This interconnection among the computers makes it possible for the information to share among them. Information will be shared through this medium and thus the data is communicated. The communication happens either by wired or wireless media. These networks are classified based on the following factors
- Inter connectivity
- Architecture
- Administration
- Geographical span
Q2: What are the network applications?
A2: To form a network, Computer systems and peripherals are connected with each other. Some of the advantages or application are,
- Instant messaging
- IP phones
- Exchange of information by means of emails and FTP
- Video conferences
- Parallel computing
- Resource sharing such as printers and storage devices
- Information sharing
Q3: What is Personal Area Network?
A3: Smallest network that is very personal to user is called A Personal Area Network (PAN) which may include Bluetooth enabled devices or infra-red enabled devices. This network has approximately 10 meters of connectivity range. It may include wireless mouse, keyboard, printers, bluetooth etc.
Q4: What is ethernet?
A4: Invented by Bob Metcalfe and D R Boggs in 1970, it is deployed Local Area Network (LAN) technology which shared media. Network using shared media has high chances of data collision. Using collision detection technology or carrier sens multi access, ethernet detects collision. All the hosts roll back on the occurrence of collision in Ethernet. Later, wait for some amount of time and re transmit the data. It is equipped with 48-bits MAC (a network interface card) addressing other Ethernet devices to identify and communicate with remote devices in Ethernet. Traditional Ethernet utilizes 10BASE-T specifications. The specification are as follows,
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- 10 indicates 10 MBPS speed
- BASE means for baseband, and
- T stands for Thick Ethernet
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