UP Board Solutions Class 10 Commerce Chapter 7 Communication System

Communication System Objective Type Questions (1 Mark)

Question 1. S. T. D. stands for:
(a) Subscribers Trunk Dialing
(b) Subscribers Telephone Dialing
(c) Subscribers Trunk Dialer
(d) None of these
Answer: (a) Subscribers Trunk Dialing
In simple words: STD allows a person to make long-distance calls within a country without needing operator assistance.

🎯 Exam Tip: Remember the full form of common telecommunication abbreviations as they are frequently asked in exams.

Question 2. A mobile telephone system was inaugurated in the year:
(a) 1987
(b) 1985
(c) 1989
(d) 1991
Answer: (b) 1985
In simple words: Mobile phone services began in 1985, revolutionizing personal communication.

🎯 Exam Tip: Specific years related to the introduction of technology or services are important for objective questions.

Question 3. The popular code available in the market are :
(a) X. Y. Z. Code
(b) A. B. C. Code
(c) Bentley Code
(d) A. B. C Code and Bentley Code
Answer: (d) A. B. C Code and Bentley Code
In simple words: Both A. B. C Code and Bentley Code are recognized and commonly used coding systems in the market for various purposes.

🎯 Exam Tip: Understanding the types of codes used in communication and business is crucial for commerce students.

Question 4. When the telegraphic message is sent through the telephone, this method of sending a message is called:
(a) Hologram
(b) Phonogram
(c) Telegram
(d) None of these
Answer: (b) Phonogram
In simple words: A phonogram is a service where you can dictate a telegram message over the phone, and it is then sent as a written telegram.

🎯 Exam Tip: Differentiate between various message transmission methods like telegrams and phonograms, focusing on their unique characteristics.

Question 5. A key word is used to send telegrams.
(a) Cypher
(b) Code
(c) Travellers
(d) None of these
Answer: (a) Cypher
In simple words: A cypher is a secret or disguised way of writing, especially one using a code, used to keep telegram messages confidential.

🎯 Exam Tip: Recognize the purpose and usage of keywords or cyphers in secure communication methods.

Communication System Definite Answer Type Questions (1 Mark)

Question 1. Name of telegram which are sent by one person to another within the limits of the country.
Answer: Inland Telegram.
In simple words: An Inland Telegram is a message sent and received within the geographical boundaries of a single country.

🎯 Exam Tip: Clearly distinguish between different types of telegrams based on their operational scope.

Question 2. State the full form of I. S. D.
Answer: International Subscriber Dialing.
In simple words: ISD enables a subscriber to directly dial international calls without operator assistance.

🎯 Exam Tip: Know the full forms of key communication services like ISD and STD for direct recall.

Question 3. What kind of telegram is sent only by government offices and only for official work.
Answer: State Telegram.
In simple words: A State Telegram is exclusively used by government departments for official communications.

🎯 Exam Tip: Understand the specific applications of various telegram types, particularly those for official use.

Question 4. Which letters are sent by sea route?
Answer: Foreign Letters.
In simple words: Foreign Letters, which are destined for other countries, are often transported by sea route for economical delivery.

🎯 Exam Tip: Consider the different modes of transport used for international mail and their implications.

Question 5. When was speed post service started in India?
Answer: 1986.
In simple words: The Speed Post service was launched in India in 1986 to provide faster mail delivery.

🎯 Exam Tip: Key historical dates for postal and communication services are important for general knowledge and exam questions.

Question 6. Name the most commonly used accounting software in India.
Answer: Tally.
In simple words: Tally is widely recognized as the most frequently utilized accounting software in India, especially for small and medium businesses.

🎯 Exam Tip: Be aware of popular software tools used in specific business functions, such as accounting, as they reflect practical industry knowledge.

Communication System Very Short Answer Type Questions (2 Marks)

Question 1. What do you understand by travellers telegram?
Answer: Telegram can also be delivered to a person travelling by train. The sender has to write the name of the person, name of the train and number of the bogie and the name of the station at which the train will halt. When the train reaches that station the message is delivered to that person.
In simple words: A traveller's telegram is a special service allowing messages to be sent to individuals traveling on a specific train, delivered upon arrival at a designated station.

🎯 Exam Tip: Explain the operational details and unique features of specialized telegram services like traveler's telegrams.

Question 2. Name the various kinds of telegrams.
Answer:
1. Inland Telegram
2. Foreign Telegram.
In simple words: Telegrams are broadly categorized into Inland Telegrams for domestic communication and Foreign Telegrams for international messages.

🎯 Exam Tip: Listing the types of telegrams and briefly defining them will fetch full marks in short answer questions.

Question 3. What do you mean by phonogram?
Answer: There is a facility provided by the post and telegraph department to send the messages through telephone. This method of sending a message is called 'Phonogram'. This arrangement of the phonogram is made in the town having telephone. The telephone subscriber can convey the message of telegram to the telegraph office. The department sends the message to the addressee by telegram and the charge is added to the telephone bill of the subscriber.
In simple words: A phonogram allows a telephone subscriber to dictate a telegram message to the telegraph office over the phone, which is then delivered to the recipient, with charges added to their phone bill.

🎯 Exam Tip: Focus on explaining the process and benefits of a phonogram service, including how it integrates with telephone billing.

Question 4. Give two differences between code and cypher telegram.
Answer: Difference between code and cypher telegram.

🎯 Exam Tip: When comparing, use a tabular format to clearly highlight the distinguishing features of each concept, especially for differences.

Question 5. What are the two main advantages of the telegram?
Answer: Advantages of telegrams are as follows:
1. If the message is long, then telephone charges would be much more than expenses incurred on telegram.
2. Telegram is also sent when the message is important and prompt action is required.
In simple words: Telegrams are cost-effective for lengthy messages compared to telephone calls and are ideal for urgent communications requiring quick action.

🎯 Exam Tip: Identify and articulate the core benefits of traditional communication methods, considering factors like cost and urgency.

Question 6. Write the names of any two means of quick communication.
Answer: Telegram and Telephone.
In simple words: Telegrams and telephones are both effective means for rapid communication, allowing messages to be sent and received quickly.

🎯 Exam Tip: Provide concise examples of quick communication methods, highlighting their efficiency.

Communication System Short Answer Type Questions (4 Marks)

Question 1. What do you understand by cypher telegram? What are its advantages?
Answer: Cypher Telegrams: When the sender wants to keep the message completely secret then cypher telegrams are sent. Such telegrams can be written in digits or letters but usually cypher telegrams are written digits. Advantages of cypher telegram are as follows: Only the persons who know the key word can find out the message. Thus the message remains secret.
In simple words: Cypher telegrams are secret messages written in digits or letters, requiring a specific keyword for decryption, ensuring high confidentiality and preventing unauthorized access.

🎯 Exam Tip: Define cypher telegrams clearly and then enumerate their advantages, focusing on the aspect of secrecy.

Question 2. Write a note on the utility of telephone.
Answer: The telephone is the most important means of quick communication. It is also popular because the caller and the receiver both are direct contacts directly with the different parts of the world. Its use is increasing day by day and for this reason, it has become indispensable for a businessman these days. In present times, every business house, industry, insurance companies etc. must essentially have a telephone. The professionals like doctor, lawyer, chartered accountant etc. cannot function properly without a telephone connection. Without a telephone connection, the working of the business organisations and people in profession will be affected adversely. From the point of view of communication, the telephone has an important place and having a telephone also an indication of reputation and status in society.
In simple words: The telephone is a vital and direct communication tool that has become essential for both businesses and professionals, enhancing efficiency and symbolizing societal status due to its increasing daily usage.

🎯 Exam Tip: When writing a note, discuss the importance, benefits, and widespread impact of the subject (e.g., telephone) on various sectors.

Communication System Long Answer Type Questions (8 Marks)

Question 1. Write notes on S.T.D. and I.S.D.
Answer: Subscribers Trunk Dialling (S.T.D.): Under this facility, the person can make trunk calls without the help of a telephone exchange. Now most of the towns have this facility. Suppose a person intends to talk to his friend in Lucknow then he will have to dial the code of the town first and then the number. Each town has a separate code which has STD facility. It is of great importance for the business community as they can make calls at their convenience. In trunk calls the charges are for a minimum period of 3 minutes whereas in STD you have to pay only for the duration of the call which can be less or more than 3 minutes.
International Subscribers Dialling (I.S.D.): These days the telephone service is so advanced that a person can talk to a person sitting in some other country by telephone without the help of the operator. This facility of direct dialling is known as International Subscribers Dialling. Different codes are allotted to every country which are connected by this facility. The subscriber has to dial the international code first i.e., 00 then the country code followed by the area code and at last the overseas telephone number. It is quicker because you have not to book the call and wait till it is matured. There is no limit for duration of the call. A person can talk as long as he wishes and is charged for only the time he talked. It is easier in the sense that the subscriber can call at his convenience whether it is day or night and there is no language problem either.
In simple words: STD allows direct dialing for long-distance calls within a country with flexible billing, while ISD enables direct international calls to any country with specific dialing codes, offering convenience and per-second billing.

🎯 Exam Tip: For long answer questions, explain each concept in detail, including its mechanism, benefits, and distinctions, such as how charges are calculated for STD versus traditional trunk calls or ISD.

Question 2. Write short notes on:
Answer:
1. Teleprinter
2. FAX System
3. Internal Telephone Exchange
4. Radio Paging.
1. Teleprinter: Teleprinter is used by major newspapers for collecting news relating to other countries as well as news relating to the native country. A printer is attached to this machine which prints the news on the paper as they are communicated to the office.
2. FAX System: FAX service provides automatic communication through printed words between subscribers in cities and towns provided with Electronic Telephone Exchanges. FAX subscribers establish their own connections.
3. Internal Telephone Exchange: In big business organizations and offices there are many departments like purchases, sales, accounts, administration etc. Every department has its own officer and each officer has a different telephone connection so that they can talk to each other on telephone which saves the time of going and coming from one department to another. Under this system, an Internal Telephone Exchange is established within the premises. An operator is appointed who helps in connecting the calls.
4. Radio Paging: This is a one-way communication system. Messages are transmitted to subscribers by means of aerial signals in the form of tone or vibrations through pocket-size receiver called pager. It was introduced in Delhi in 1985. It is now available in all over the country.
In simple words: Teleprinters print news, FAX systems send printed documents via phone lines, internal exchanges facilitate inter-departmental calls, and radio paging offers one-way message alerts via a pager.

🎯 Exam Tip: For a "short notes" question with multiple parts, provide a concise definition and key function for each item, demonstrating knowledge of diverse communication technologies.

Question 3. Describe the uses of computers in a business office.
Answer: Computer is the most important part in a business office. Following are uses of computers in a business office:
1. Help in planning: By the help of computer we can collect data which is very helpful in planning.
2. Help in Finance: Most companies world wide are rapidly switching to a computerised accounting system. Long time consuming calculations and other mathematics-intensive problems can now be solved at the press of a button.
3. Help in Management: The personal computer has revolutionised manage- ment functions. Computer reduces paper-work, speeds up communication and improves the quality of work.
4. Help in Accounting: Accounting work in a business office becomes early with the help of a computer. A computer has made accounting easier with the help of many softwares.
5. Others:
- It saves time and money.
- It seams to have become the backbone of all activities.
- The computer helps to prepare different reports.
- It helps to take decisions earlier.
In simple words: Computers are crucial in business offices, aiding in planning by collecting data, streamlining finance and accounting tasks, revolutionizing management by reducing paperwork and improving work quality, and ultimately saving time and money while facilitating better decision-making.

🎯 Exam Tip: Structure your answer by clearly listing each use of computers with a brief explanation, demonstrating a comprehensive understanding of their impact on office operations.