Central Board of Secondary Education
Class – XII (Year 2011)
Subject – Computer Science (Set - 2)
(i) All questions are compulsory.
(ii) Marks for each question are indicated against it.
(iii) Use of Calculators is not permitted.
- What is difference between Local Variable and Global Variable ? Also
give a suitable C++ code to illustrate both.
- What do you understand by Union & Cartesian Product operations in
- What is VoIP ?