ACME ACADEMY

WEEKLY EVALUATION TEST

Subject: Artificial Intelligence
Time Limit: 30 Mins
Max Marks: 50 Marks
Student Name:
Roll Number:
Class / Sec:
Date:

GENERAL INSTRUCTIONS:

  1. All questions are compulsory. Carefully read all instructions before starting.
  2. The question paper contains 50 questions.
  3. There is no negative marking for incorrect answers.
  4. Use of mobile phones, smartwatches, or calculators is strictly prohibited during the exam.
1. What is the primary goal of Natural Language Processing (NLP)?
[1 Mark]
(A) To process images
(B) To enable computers to understand, interpret, and generate human language
(C) To build robotic arms
(D) To compress files
2. Which of the following is a common application of NLP?
[1 Mark]
(A) Facial recognition
(B) Self-driving cars
(C) Email spam filtering based on text
(D) Predicting weather temperatures
3. What does 'Tokenization' mean in NLP?
[1 Mark]
(A) Encrypting the text
(B) Breaking down a large paragraph of text into smaller units like sentences or words
(C) Removing all vowels from words
(D) Translating text to another language
4. What is 'Stemming'?
[1 Mark]
(A) Adding prefixes to words
(B) A rudimentary rule-based process of stripping suffixes from words to get their root form
(C) Converting speech to text
(D) Generating new words
5. How does 'Lemmatization' differ from Stemming?
[1 Mark]
(A) Lemmatization is faster
(B) Lemmatization uses dictionary rules to ensure the root word is a valid, meaningful word
(C) Lemmatization works on images
(D) There is no difference
6. In NLP, what are 'Stop Words'?
[1 Mark]
(A) Words that stop the program from crashing
(B) Common words like 'is', 'the', and 'and' that are filtered out because they carry little meaningful context
(C) Punctuation marks at the end of a sentence
(D) The most important keywords in a document
7. What is 'Sentiment Analysis'?
[1 Mark]
(A) Analyzing the grammatical structure of a sentence
(B) Determining the emotional tone (positive, negative, neutral) behind a body of text
(C) Counting the number of words in a document
(D) Converting text to audio
8. What does the 'Bag of Words' (BoW) algorithm do?
[1 Mark]
(A) It stores data in a cloud database
(B) It represents text by counting the frequency of words, ignoring grammar and order
(C) It translates text from English to French
(D) It generates new text
9. What is the limitation of the Bag of Words model?
[1 Mark]
(A) It requires too much color
(B) It completely ignores the context and the order of words
(C) It only works for numbers
(D) It cannot count past 100
10. TF-IDF stands for:
[1 Mark]
(A) Text Format - Inverse Data Frequency
(B) Term Frequency - Inverse Document Frequency
(C) Token Frequency - Index Document Format
(D) True False - Internal Data Feature
11. What is the core objective of Computer Vision?
[1 Mark]
(A) To analyze audio frequencies
(B) To enable machines to interpret and make decisions based on visual data from the world
(C) To type text automatically
(D) To solve math equations
12. What is a 'Pixel'?
[1 Mark]
(A) A type of camera lens
(B) The smallest controllable element (a tiny square of color) of a digital image
(C) A computer vision algorithm
(D) A robotic eye
13. In a Grayscale image, what do the pixel values typically represent?
[1 Mark]
(A) The RGB color code
(B) The intensity of light, usually ranging from 0 (black) to 255 (white)
(C) The size of the image
(D) The distance to the object
14. An RGB image consists of how many color channels?
[1 Mark]
(A) 1
(B) 2
(C) 3
(D) 4
15. Which of the following is a primary task in Computer Vision?
[1 Mark]
(A) Text translation
(B) Object Detection
(C) Audio generation
(D) Spell checking
16. What is Image Segmentation?
[1 Mark]
(A) Cropping the edges of a photo
(B) Dividing an image into multiple segments or classifying every single pixel to belong to a certain object
(C) Changing the image to black and white
(D) Reducing the file size
17. Which Deep Learning architecture is most commonly used for Computer Vision tasks?
[1 Mark]
(A) Recurrent Neural Networks (RNN)
(B) Decision Trees
(C) Convolutional Neural Networks (CNN)
(D) Linear Regression
18. What is the purpose of a 'Filter' or 'Kernel' in a CNN?
[1 Mark]
(A) To change the color of the image for social media
(B) To slide over the image matrix and extract specific features like edges or corners
(C) To remove viruses from the image
(D) To convert the image to text
19. Facial recognition technology works by:
[1 Mark]
(A) Measuring and analyzing the unique geometric features and nodal points of a human face
(B) Reading the person's mind
(C) Matching the color of the person's hair
(D) Guessing based on height
20. Which of the following is NOT an application of Computer Vision?
[1 Mark]
(A) Medical image analysis (e.g., X-rays)
(B) Self-driving car navigation
(C) Customer service chatbots
(D) Quality inspection in manufacturing
21. An Artificial Neural Network (ANN) is inspired by:
[1 Mark]
(A) The human digestive system
(B) The structure and function of biological neurons in the human brain
(C) The solar system
(D) Computer hardware networks
22. What are the three main types of layers in a standard Neural Network?
[1 Mark]
(A) Top, Middle, Bottom
(B) Input, Hidden, Output
(C) Start, Process, End
(D) Data, Model, Result
23. What is the function of the Input Layer?
[1 Mark]
(A) To make the final decision
(B) To perform complex calculations
(C) To receive the initial data features and pass them to the network
(D) To store the data permanently
24. In a Neural Network, what are 'Weights'?
[1 Mark]
(A) The physical weight of the computer processor
(B) Numerical values that determine the strength and importance of the connection between two neurons
(C) The number of neurons in a layer
(D) The final output prediction
25. What is 'Deep Learning'?
[1 Mark]
(A) Learning while sleeping
(B) A machine learning method using neural networks with multiple (deep) hidden layers
(C) Memorizing textbook definitions
(D) A rule-based AI approach
26. What is the role of an 'Activation Function'?
[1 Mark]
(A) To turn the computer on
(B) To decide whether a neuron should be activated (fire) based on the calculated input
(C) To delete old data
(D) To increase the network's processing speed
27. Which of the following is a popular Activation Function?
[1 Mark]
(A) ReLU (Rectified Linear Unit)
(B) TCP/IP
(C) HTML
(D) BoW
28. What is 'Backpropagation' in a neural network?
[1 Mark]
(A) Moving data backwards to the input layer to be printed
(B) The process of calculating the error at the output and propagating it backwards to update the weights
(C) A type of computer virus
(D) A method for deleting a hidden layer
29. Epochs in neural network training refer to:
[1 Mark]
(A) The number of seconds the model trains
(B) One complete pass of the entire training dataset through the neural network
(C) The number of hidden layers
(D) The number of output classes
30. Why do Deep Learning models require GPUs?
[1 Mark]
(A) Because GPUs look cooler
(B) Because GPUs can perform thousands of parallel matrix multiplications rapidly, which is essential for neural networks
(C) Because CPUs cannot handle basic math
(D) Because GPUs provide internet access
31. What is the function of an Operating System (OS)?
[1 Mark]
(A) To clean the monitor
(B) To act as an interface between the user, applications, and computer hardware
(C) To protect the computer from physical theft
(D) To generate AI models automatically
32. Which keyboard shortcut is universally used to 'Undo' an action?
[1 Mark]
(A) Ctrl + C
(B) Ctrl + V
(C) Ctrl + Z
(D) Ctrl + Y
33. What does a firewall do in a computer network?
[1 Mark]
(A) It physically cools the computer down
(B) It monitors and controls incoming and outgoing network traffic based on security rules
(C) It increases the internet speed
(D) It blocks all applications from running
34. Phishing is a type of cyber attack where:
[1 Mark]
(A) The attacker physical steals the computer
(B) The attacker uses malware to lock files and demand money
(C) The attacker sends fraudulent emails pretending to be a reputable source to steal sensitive data
(D) The attacker breaks into the server room
35. What is the primary goal of the 'Green Economy'?
[1 Mark]
(A) To print all money in green ink
(B) To promote sustainable development without degrading the environment
(C) To only use agricultural products
(D) To ban all technology
36. Which of the following is considered a 'Green Skill'?
[1 Mark]
(A) Knowing how to waste water
(B) Skills needed to use renewable energy technologies or promote sustainability
(C) Knowing how to clear forests for buildings
(D) Skills related to printing documents
37. What does 'Sustainable Development' mean?
[1 Mark]
(A) Developing as fast as possible regardless of the cost
(B) Meeting the needs of the present without compromising the ability of future generations to meet their own needs
(C) Stopping all industrial activities forever
(D) Only using solar power
38. E-waste refers to:
[1 Mark]
(A) Electronic emails that are considered spam
(B) Discarded electronic devices and equipment
(C) Waste generated by e-commerce websites
(D) Digital files in the trash bin
39. To protect your computer from viruses, you should:
[1 Mark]
(A) Never use the internet
(B) Install and regularly update an Antivirus software
(C) Keep the computer in a cold room
(D) Share your passwords
40. Which of the following is an example of an internet browser?
[1 Mark]
(A) Microsoft Word
(B) Google Chrome
(C) Adobe Photoshop
(D) Windows 10
41. An entrepreneur is a person who:
[1 Mark]
(A) Only works for a fixed salary in a large company
(B) Takes the risk to start and run a new business venture to make a profit
(C) Refuses to take any risks
(D) Manages a non-profit charity only
42. What is a defining trait of an entrepreneur?
[1 Mark]
(A) Fear of failure
(B) Preference for repetitive tasks
(C) Innovative thinking and problem solving
(D) Avoidance of responsibility
43. What is a 'Business Plan'?
[1 Mark]
(A) A list of employees
(B) A formal document detailing a business's goals, strategies, and financial forecasts
(C) A government tax form
(D) A marketing poster
44. Which type of business produces physical goods from raw materials?
[1 Mark]
(A) Service business
(B) Retail business
(C) Manufacturing business
(D) Consulting business
45. What role do entrepreneurs play in society?
[1 Mark]
(A) They decrease the standard of living
(B) They create jobs, drive innovation, and stimulate economic growth
(C) They only benefit themselves
(D) They reduce the number of available products
46. A 'Service Business' is one that:
[1 Mark]
(A) Sells physical goods produced by others
(B) Provides intangible products or actions, like haircuts or consulting
(C) Manufactures cars
(D) Grows crops
47. What does 'Target Market' refer to?
[1 Mark]
(A) The physical location of a grocery market
(B) The specific group of consumers most likely to buy a company's product or service
(C) The competitors of the business
(D) The government regulators
48. What is the primary difference between an Entrepreneur and a Manager?
[1 Mark]
(A) Managers take the financial risks, entrepreneurs do not
(B) Entrepreneurs take the initial financial risks and start the business; managers run the day-to-day operations
(C) There is no difference
(D) Managers are always the owners
49. A 'Startup' is typically characterized by:
[1 Mark]
(A) Being a 100-year-old company
(B) Focusing on rapid growth, innovation, and scaling a new idea
(C) Having a strict, unchanging business model
(D) Avoiding all modern technology
50. What does 'Capital' mean in the context of business?
[1 Mark]
(A) The city where the business is located
(B) The financial wealth, money, or assets used to start and run the business
(C) The top manager of the company
(D) The letters used in the logo
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