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Category: Class 12

  • Class 12 Computer model question with its solution!!

    Group ‘A’

    Multiple choice questions.

    1. Which of the following is the purpose of using a primary key in a database?
    2. A company needs to modify an existing table by adding a new column for employee email addresses. For this, which SQL command should be used?
    3. Which protocol is used for secure communication over a computer network?
    4. Which control structure in JS(JavaScript) is used to execute a block of code repeatedly based on a given condition?
    5. Select the invalid variable name in PHP.
    6. The statement Int number (int a); is a
    7. In which of the following programming is the emphasis given on data rather than on procedures?
    8. Which type of feasibility study evaluated whether a system can be developed with the available technology?
    9. Which of the following is NOT a type of cloud computing service?

    Group ‘B’

    short answer questions.

    10. Write any three differences between DDl and DML. Give an example of each.

    Or

    What is normalization? Explain 2NF and 3NF

    11. Write JavaScript code to input any three numbers and find the smallest number among them.

    Or

    Write a PHP script to connect to a MySQL database.]

    12. Write short notes on class and inheritance in OOPs with examples.

    13. What is requirement gathering? Explain Different Requirement Gathering Methods

    14. What is AI? Explain the application areas of AI in education.

    Group ‘c’

    15 What is a transmission medium? Explain its major types with advantages and disadvantages.

    16. Write a C program that reads the account_number, name, and address of ten customers from the user and displays the account_number, name, and address of these customers using an Array and a structure

    Or

    What are the components of a function of C? Describe the Call-by-value and Call-by-reference, and passing the function parameters.

  • Class 12 Economics model questions with its solution! -2082

    Group ‘A’

    Very short answer questions.

    1. What is a production possibility curve?
    2. Production of 20 units of goods requires a total cost of Rs 5000, where the total fixed cost is Rs 1500. Calculate the total variable cost.
    3. Give an example of a proportional tax system.
    4. What do you understand by exchange rate?
    5. Write any two important aspects of human resources?
    6. Which institute determined the Sustainable Development Goals (SDGs)?
    7. What can be the alternative to foreign employment?
    8. Which periodic plan is being implemented in Nepal at present?
    9. What is data collection?
    10. 10. Mention the precautions to be taken while collecting the secondary data.
    11. 11. Find the coefficient of variation of a series where the mean is 42.5, and the standard deviation is 12.62.

    Group ‘B’

    short answer questions

    1. Highlight the disadvantages of the division of labour.
      Or
      clarify the problem faced during resource allocation.
    2. Complete the table below and draw the total revenue curve, and mention the types of market.
    3. Discuss the relationship between total cost and marginal cost.
    4. Profit is a reward for risk-taking. Discuss
    5. Briefly discuss the features of a good tax system.
    6. point out the measures to minimise inequality in our community.
    7. Briefly assess the major plans and programmes adopted by Nepal for no poverty.
    8. Find the standard deviation and variance from the data below.
      Or
      Calculate the weighted aggregate price index number using the Laspeyres method from the table below and interpret the outcome.

    Group ‘C’

    Long answer questions

    1. Explain the short-run profit possibilities of the firm under perfect competition.
    2. Discuss the major policies of the 16th plan of Nepal.
    3. Discuss the major policies of the 16th plan of Nepal.
      Or
      Point out the major problems of foreign trade of Nepal on the basis of its composition.