¼Practical½ - Nalanda Open University
¼Practical½ - Nalanda Open University
¼Practical½ - Nalanda Open University
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<strong>Nalanda</strong> <strong>Open</strong> <strong>University</strong><br />
Annual Exam-2010, Certificate Course<br />
Certificate in Computing [CIC]<br />
Paper-II<br />
Time: 3.00 Hrs. Full Marks: 80<br />
Answer any Five Questions. All questions carry equal marks.<br />
1. Explain Virus? Write down some security measures that you may take to protect your computer<br />
from Virus.<br />
2. Describe the importance of LAN and WAN?<br />
3. Discuss the following terms:<br />
a. Simplex<br />
b. Half Duplex<br />
c. Full Duplex<br />
4. Explain High Level Languages? What are its advantages?<br />
5. Discuss briefly the features of Von Neumann machine with the help of a diagram?<br />
6. What do you understand by the term Pipelining? Where it is used.<br />
7. Differentiate between the following:<br />
a. Hard Copy and Soft Copy<br />
b. Spooling and buffering<br />
8. What are the four major components of Graphical User Interface (GUI)?. Explain the function of<br />
any one component.<br />
9. Write short notes on:<br />
a. Routers<br />
b. Transmission channels.<br />
c. Gateways.<br />
10. Define operating system? Explain different types of operating system.<br />
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