Computer Science Chapter 3: Data Communications – Class 11 Overview
Chapter 3, Data Communications, is a core topic in Class 11 Computer Science and is essential for students preparing for FSC board exams as well as competitive entry tests such as NUST, FAST, ECAT, and NTS. This chapter covers fundamental concepts including data transmission, communication models, transmission modes, bandwidth, data rates, and communication channels. Understanding data communications helps students learn how information is transmitted accurately and efficiently between devices.
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16. standards were developed without any formal planning:
7. Cabling on a linear bus topology can be extended using which of following:
18. is a governing body that approve the network standard:
5. The process of sharing information among various members of workgroup through computer network is called:
13. standards were properly researched, designed and finally published as a standard:
20. Which one is not a network topology?
10. Which network model consists of many clients and one or more central computers?
FDD1 is a:
3. Central computer in the network is called:
The software used for workgroup computing is called:
22. All nodes are connected to a single cable in a:
12. In which network model all computers have equal status?
2. A collection of computers connected together is called:
6. What layer of OSI does data compression:
I. A LAN is a combination of:
17. Which one is an example of De-Facto standard?
14. The media Access Control Sub-layer resides in which layer:
19. Which one represents the shape of network?
Which one is dedicated server?
21. One or more computers connected to a hub is a:
4. The larger computer to which the terminal or PC is attached is called:
Importance of Data Communications for Exams
Mastering Data Communications enhances technical understanding and improves problem-solving skills related to networking concepts. Students can confidently attempt MCQs on transmission types, communication media, error detection, and data flow methods. Regular practice strengthens conceptual clarity and ensures better performance in both entry test MCQs and FSC board exam questions.
PLS Academy Chapter-Wise Computer Science Preparation
PLS Academy provides expertly prepared chapter-wise study material for Data Communications with clear explanations, diagrams, and exam-focused MCQs. With structured guidance and topic-wise practice, students can master communication concepts, improve accuracy, and achieve high scores in both entry tests and FSC board examinations.
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