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Punjab (PTB) · Quarter book test · Free

1st Year Computer 2nd Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: CHAP 4:Computational Structures, CHAP 5: Data Analytics, CHAP 6: Emerging Technologies.

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1st Year Computer 2nd Quarter Book Paper

1st Year · Computer · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 40Time: 1 hour

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. Which graph allows movement in only one direction between two nodes?

    1. Undirected graph

    2. Weighted graph

    3. Circular graph

    4. Directed graph

  2. Which of the following is a common use of blockchain technology?

    1. Sending emails

    2. Playing games

    3. Tracking products in supply chains

    4. Editing documents

  3. In a linear regression model, what is the role of the intercept?

    1. It shows how much X changes with Y

    2. It is the error value

    3. It represents the starting value of Y when X is zero

    4. It removes outliers

  4. Which data structure has a root node and follows a hierarchy?

    1. Graph

    2. Queue

    3. Stack

    4. Tree

  5. What is one benefit of cloud web hosting?

    1. Less internet usage

    2. Free domain names

    3. Websites can run without a server

    4. Websites can be hosted and accessed globally

  6. When is it acceptable to remove rows with missing data?

    1. When all the data is missing

    2. When only a few entries are missing 

    3. When the data is complete

    4. When the values are zero

  7. In Python, which data structure can be used to simulate a queue?

    1. Tuple

    2. List

    3. Set

    4. Dictionary

  8. Why do developers prefer serverless architectures?

    1. Because they can ignore all server management tasks

    2. Because they allow developers to control the entire infrastructure

    3. Because they provide unlimited storage space

    4. Because they require constant monitoring

  9. Which subjects were used to cluster students in the example?

    1. History and Science

    2. Math and English

    3. Science and Art

    4. Math and Geography

  10. Lists are helpful in implementing which of the following?

    1. Arrays only

    2. Graphs only

    3. Stack and Queue

    4. None of the above

  11. What is the key feature of a hybrid cloud?

    1. It is used only by one organization

    2. It is always free

    3. It combines public and private clouds

    4. It does not use the internet

  12. Which chart is used to explore the relationship between two variables?

    1. Histogram

    2. Line graph

    3. Scatterplot

    4. Bar chart

Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)

  1. Which two common tools can be used to create data visualizations easily?

  2. How does a hybrid cloud work?

  3. What is a graph in data structures?

  4. What is data preparation?

  5. What is edge computing, and how does it benefit cloud computing?

  6. What is a vertex in a graph?

  7. How do you find the median of a dataset with an even number of values?

  8. How can blockchain improve voting systems?

  9. Which function is used to insert an item at a specific position in a list?

  10. What is the mean of the dataset: 50, 52, 55, 57, 60?

  11. Describe the concept of serverless architectures.

  12. Name two basic operations performed on stack.

Q3. Long questions (Attempt any 3 of 4 · 3 × 4 = 12)

  1. Explain the importance of standard deviation in statistical analysis and how it helps in understanding data variation. 

  2. Explain the operations on stack with real-life example and Python code.

  3. Explain the basic concept of cloud computing and how virtualization, scalability and on demand access make it more useful and efficient. 

  4. Explain the purpose and use of different types of data visualizations with suitable examples.