RGPV First Year Engineering (Set B) (Semester 1)
Basic Computer Engg.
May 2012
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Answer any one question from Q1 & Q2
1 (a) Define following:
(i) Instruction Register
(ii) Program Counter
7 M
1 (b) Explain how CPU communicates with Input/Output device.
7 M

2 (a) What is function of following:
(i) Address Bus
(ii) Control Unit
7 M
2 (b) Differentiate between Main Memory and Cache memory with a diagram.
7 M

Answer any one question from Q3 & Q4
3 (a) Explain following types of operating functions
(i) Time sharing
(ii) Multiprogramming
7 M
3 (b) Explain various states of a process with diagram.
7 M

4 (a) How us CPU shceduling performed by operating system.
7 M
4 (b) Differentiate Top-down and Bottom-up program design methods.
7 M

Answer any one question from Q5 & Q6
5 (a) Explain how base class member functions can be invoked in a derived class if the derived class also has a member function with the same name.
7 M
5 (b) Write a C++ program to find seconds largest number in a given array of 100 integers.
7 M

6 (a) Write a C++ program to overload > operator to find heavier of two stones according to their weights.
7 M
6 (b) What is constructor? Can a class in C++ have more than one constructor with same name? Justify your answer.
7 M

Answer any one question from Q7 & Q8
7 (a) What is Data Independence? Differentiate between logical and physical data independence.
7 M
7 (b) What is function of following:
(i) DBA
(ii) Data dictionary
7 M

8 (a) Differentiate between following
(i) Domain and attribute
(ii) Data definition language and Data manipulation language.
7 M
8 (b) Describe network data model. What are records and sets in network data model.
7 M

Answer any one question from Q9 & Q10
9 (a) What is function of:
(i) Bridge
(ii) Network Interface Card
8 M
9 (b) Which OSI Layer performs following
(i) Breaking the bit stream into frames
(ii) Determine which route to use
(iii) Provide synchronization
6 M

10 (a) What is function of following devices:
(i) Router
(ii) Modem
8 M
10 (b) Briefly describe the different threats to network security?
6 M

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