PTU BCA 1st Sem Paper 2012 Information Technology

PTU BCA 1st Semester Paper 2012 Information Technology Punjab Technical University Exam 2012 1st Sem Information Technology Test September and March Question Paper Free Download Punjab Technical University Information Technology Question Papers 2012 PTU BCA 1st Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU BCA 1st Sem Paper 2012 Information Technology Punjab Technical University September 2012 and March 2012 Exam BCA 1st Semester Sample Model Question Papers Free Download PDF

Information Technology

 2. Differentiate between C’D and DVD.
3. Explain the concept of spooling.
4. Explain real time and time sharing systems.
5. Discuss any one input device and anyone output device.
6. Convert the following decimal numbers to hexadecimal 285.48, 3452.645,
678920.45.
7. What is an optical scanner ? Explain how it works.
8. Discuss the application of computers in commerce.
9. Write a note on WAN.
10. Define Internet. What are the applications of Internet?
11. Explain the concept of FAX. How does it work?
12. Describe various types of memories in computer.
13. Explain the internal and external commands of DOS.

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