Short & Long Questions: Communications | Be an Explorer 5: Book Solutions, Notes & Worksheets - Class 5 PDF Download

Short Answer Questions.

Q1: What is communication?
Ans: Communication is the exchange of information, thoughts, feelings, and ideas between at least two people.

Q2: How did early humans use fire for communication?
Ans: Early humans used fire to send messages through smoke signals, often to warn of attacks or gather people during natural disasters.

Q3: What were pictographs used for in early communication?
Ans: Pictographs were signs or pictures used to convey messages before the development of written languages.

Q4: What was the Penny Post Service in England?
Ans: The Penny Post Service was an early postal system where messages could be sent through horse riders by paying a penny.

Q5: Who is credited with inventing the first mobile phone?
Ans: Martin Cooper, an engineer at Motorola, is credited with inventing the first mobile phone during the 1970s.

Q6: What is the main difference between personal and mass communication?
Ans: Personal communication involves interactions between two individuals, while mass communication conveys messages to a large audience simultaneously.

Q7: In which country was the first generation of mobile networks deployed?
Ans: The first generation of mobile networks was deployed in Japan.

Q8: What is the latest development in communication technology?
Ans: The latest development in communication technology is the Internet, providing global connectivity.

Q9: What are some advantages of 4G technology over its predecessors?
Ans: Advantages of 4G include much higher data rates, enhanced security, reduced latency, and high-definition video streaming.

Q10: What are the key features of 5G technology according to the NGMN Alliance?
Ans: Key features of 5G include support for high data rates, enhanced security, reduced latency, and support for massive sensor deployments.

Long Answer Questions.

Q1: Describe the evolution of communication from early smoke signals to modern means.
Ans: Communication evolved from smoke signals and pictographs to written languages on clay tablets, leaves, and paper. The postal system, telegraph, telephone, and eventually the Internet contributed to modern communication.

Q2: Explain the significance of the Penny Post Service in the history of communication.
Ans: The Penny Post Service in England marked the beginning of the postal system, allowing messages to be sent through horse riders for a penny, with stamped letters indicating payment.

Q3: Discuss the major advancements in mobile communication from the first generation to 4G technology.
Ans: Advancements include the introduction of the first mobile phone in the 1970s, the deployment of the first-generation mobile network in Japan, and the evolution through 2G, 3G, and 4G technologies, offering improved features and capabilities.

Q4: What are the key features of the Internet, and how has it revolutionized communication?
Ans: The Internet is a global network providing instant information, messaging, online shopping, and more. It has revolutionized communication by connecting people worldwide and facilitating various online activities.

Q5: Compare and contrast personal and mass communication, providing examples of each.
Ans: Personal communication involves interactions between individuals, such as postal services, telegraph, and telephone. Mass communication, like television, internet, and advertisements, conveys messages to a large audience simultaneously.

Q6: Explain the advantages and disadvantages of second-generation (2G) mobile communication.
Ans: Advantages include digital switching, SMS services, and enhanced security. Disadvantages involve limited mobility, fewer features on mobile devices, and hardware limitations.

Q7: Describe the advancements in mobile communication, leading to the development of 3G and 4G technologies.
Ans: Mobile communication evolved with the introduction of digital systems, higher data rates, enhanced security, and features like location tracking. 3G and 4G technologies further improved capabilities.

Q8: Explore the key features and potential applications of fifth-generation (5G) mobile technology.
Ans: 5G is expected to offer ultra-fast internet, enhanced security, reduced latency, and support for massive sensor deployments, providing an advanced experience for users.

Q9: Discuss the role of social media in modern communication.
Ans: Social media platforms like Facebook, WhatsApp, and Twitter have become popular for connecting people globally, sharing information, and facilitating online interactions.

Q10: Explain the significance of the Internet in today's communication landscape, focusing on its impact on information access and daily activities.
Ans: The Internet plays a crucial role by providing instant access to information, enabling online activities such as shopping, banking, and social interactions. It has become an integral part of daily life in the modern age.