Class 9 Computer Science Chapter 4
Important easy to understand Notes of Class 9 Computer Science Chapter 4 English Medium written by Professor Asad Bashir Suib. These notes are very helpful in the preparation of Biology for students of the 9th class Biology English Medium and these are according to the paper patterns of all Sindh Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Important Multiple Choice Questions (MCQ's) of Class 9 Computer Science Chapter 4.
- List the properties of a good communication system. Explain any one.
- Explain components of communication using single example.
- List the causes of signal impairments. Explain them.
- What is the difference between radio wave and microwave?
- Why OSI model is broken up in layers?
- Explain the purpose of a standard organization.
- List Merit and one demerit of each topology.
- Discuss brief of LAN, WAN, and MAN.
- Discuss the Basic Terminologies of Data Communication.
- Difference between Analog and Digital Signals.