Basic elements of Communication System Information Source: The term "information source" refers to the origin or starting point of information that needs to be conveyed to a recipient or receiver. It represents the entity or process that generates the data or messages to be communicated. The information source is a fundamental concept in communication theory and plays a crucial role in the overall communication process. Input Transducer: An input transducer, often simply referred to as a transducer, is a device or component that converts one form of energy or physical quantity into another. In the context of electronics and instrumentation, input transducers are used to convert physical phenomena, such as temperature, pressure, light, or sound, into electrical signals that can be measured, processed, or transmitted by electronic systems. Transmitter: A transmitter is a key component responsible for transmitting information or data from the source to the communic
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Question Collection-11
Computer System 1. Draw the block diagram of computer system. Explain the input and processing unit. 2. Explain different types of system bus. Different types of system bus. Differentiate between primary and secondary memory. 3. Define the memory structure of computer system. Explain cache, main and secondary memory with purpose. 4. What is computer system? Explain different components with their function. 5. What is generation of computer? Explain the different generations of computer with their major features. 6. What is CPU? Explain the major units of CPU. 7. Explain any five fields of usage of computer in present days. 8. Explain the role of memory in a computer and differentiate between main memory and auxiliary storage. 9. What do you mean by peripherals? Differentiate between impact and non-impact printers. 10. Discuss about how the development of the PCs(Personal computer) has extended the use of computer in present days. 11. Differentiate between analog and digital computer.
Important Questions for XII
Unit-1- Database Management System - 8 Marks 1. What is Database and DBMS? List out the advantages and disadvantages of DBMS. 2. Explain the different models of DBMS with advantages and disadvantages. 3. Write differentiate between centralized and distributed database systems. 4. Who is DBA? What are the major responsibilities of DBA? 5. What is data integrity in DBMS? Explain its types. 6. What is normalization? Explain the normalization process with examples. 7. Define the following terms. a) Data Dictionary b) Primary Key c) Relationship d) DML e) SQL f) Data Integrity g) DDL h) Data Security i) Database System 8. What are the different types of SQL commands. Write with example. Unit-2- Data Communication and Networking - 9 Marks 1. What is Computer Network? Explain advantages and disadvantages of a computer network. 2. Discuss different types of computer networks on the basis of size. 3. What do you me
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