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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3. Central computer in the network is called:
FDD1 is a:
12. In which network model all computers have equal status?
16. standards were developed without any formal planning:
22. All nodes are connected to a single cable in a:
13. standards were properly researched, designed and finally published as a standard:
7. Cabling on a linear bus topology can be extended using which of following:
6. What layer of OSI does data compression:
19. Which one represents the shape of network?
2. A collection of computers connected together is called:
10. Which network model consists of many clients and one or more central computers?
18. is a governing body that approve the network standard:
14. The media Access Control Sub-layer resides in which layer:
17. Which one is an example of De-Facto standard?
4. The larger computer to which the terminal or PC is attached is called:
5. The process of sharing information among various members of workgroup through computer network is called:
I. A LAN is a combination of:
21. One or more computers connected to a hub is a:
20. Which one is not a network topology?
Which one is dedicated server?
The software used for workgroup computing 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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