TEST OF CHAPTER NO 1 1. 2. 3. 4. 5. 6. 7. 8. 9. Differentiate between Volatile memory and Non-Volatile memory. Why is an address Bus called unidirectional? Enlist any six features of an Operating System Define Bit, byte and word. Explain different types of Impact printers. What is System Software? What are the different types of non-impact printers? What is language translator? Define its different types? Why is an operating system necessary for a computer? Why does DRAM use more power ? TEST CHAPTER 2: 1. 2. 3. 4. 5. 6. 7. 8. Draw the layer cake OSI model. Why is MODEM called Modulator and Demodulator? Define Ring topology and give advantages and disadvantages. What is meant by topology? Describe any three network topology with diagram? What is network and what are the main advantages and disadvantages of network? What is the function of router and gateway in data communication? What are the basic hardware need for internet? What is internet browser? Describe its various types. Chapter No. 3 1. 2. 3. 4. 5. 6. 7. 8. Differentiate between Synchronous and Asynchronous transmission? What are the elements of Data communication? Define data communication modes with diagram Discuss the modes of transmission with examples. What do you know about fiber optics cable? Define basic element of data communication? Define any two types of protocol? Define following: a. HTTP b. URL c. SIMM d. Coaxial Cable e. Router f. Gateway 9. Explain LAN topologies with diagram. 10. Define microwave system. How can be it useful in communication system?