Old model question for Computer Science Class 12 (XII) 2067 (2010)

Model Question 2067

important model questions for computer science class 12

Subject: Computer Science | F.M.: 75 |P.M.: 27 | Time: 3 hrs

Candidates are required to give their own words as practicable. The figures in the margin indicate full marks.

Group A

Long Answer Questions

Attempt any Four Questions.

  1. What is Entry-Relationship Data Model? Give an ER-diagram for a database showing fatherhood, motherhood and spouse relationship among men and women. [4+6]
  2. The rate of interest offered by a bank on fixed deposit.

i. Period <6 month 5%

ii. Period 6 to 12 month 6%

iii. Above 1 year 10%

Write a flowchart and program using C language to calculate monthly interest customer. [3+7]

  1. Write a program that reads several different names and addresses into alphabetical order. Make use of structure variables.
  2. Write a program that will read successive records from the new data file and display each record on the screen in an appropriately formatted form.
  3. Write a program with function and input menu from keyboard and activate these functions:

i. Print a circle ()

ii.revere string ()


Group B

Short answer questions

Attempt any Seven questions.

  1. What is feasibility study? Why feasibility study is important in system analysis phase? Explain. [2+3]
  2. What are the different types of LAN topology? Write merits and demerits of Star Topology. [2+3]
  3. Write short notes on (any two): [2+3]

i. Coaxial cable

ii. Fiber-Optic Cable

iii. Switch

  1. Differentiate between array and structure with suitable examples. [2.5+2.5]
  2. What do you mean by parameter ‘Passing by value’ and ‘Passing by reference’ in C? Explain with suitable example. [2.5+2.5]
  3. Explain the terms Polymorphism and inheritance. [2.5+2.5]
  4. Describe the limitations of using getchar() and putchar() functions for reading strings. [2.5+2.5]
  5. What do you understand by AI? How it may effect the society? [3+2]
  6. Write short notes on (any two): [2.5+2.5]

i. Cyber Law

ii. Normalization

iii. Context Diagram

Note: all these questions are copied here from the third party management students are requested to take this information at their own way.

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