Showing 1941–1960 of 4795

Q1941.Which of these is NOT a core category of machine learning?

Easy
A Supervised
B Unsupervised
C Descriptive
D Reinforcement
Computer Terminology PPSC

Correct Answer: C

The three primary paradigms of machine learning are Supervised, Unsupervised, and Reinforcement Learning.

Q1942.An algorithm that improves automatically through experience is the core idea of?

Easy
A Networking
B Database management
C Word processing
D Machine Learning
Computer Terminology PPSC

Correct Answer: D

Machine learning is the scientific study of algorithms that allow computers to learn and improve tasks automatically using data.

Q1943.Which of the following is a popular AI chatbot developed by OpenAI?

Easy
A ChatGPT
B Alexa
C Siri
D Cortana
Computer Terminology PPSC

Correct Answer: A

ChatGPT is OpenAI's conversational generative AI chatbot first released in November 2022.

Q1944.What is the main goal of Computer Vision?

Easy
A To translate text
B To store files
C To hear sound
D To enable machines to interpret and understand visual data
General MCQs PPSC

Correct Answer: D

Computer Vision is a field of AI that trains computers to interpret and understand the visual world (images and videos).

Q1945.A robot is best described as?

Easy
A A software-only program
B A programmable machine that can perform tasks automatically
C A type of database
D A web browser
Computer Terminology PPSC

Correct Answer: B

A robot is an autonomous or semi-autonomous physical machine programmable to carry out complex series of actions.

Q1946.What does 'training data' mean in machine learning?

Easy
A Deleted data
B The dataset used to teach a model and identify patterns
C Data used to test hardware speed
D Encrypted data
Computer Terminology PPSC

Correct Answer: B

Training data is the initial dataset used to train a machine learning model, helping it learn weights and rules.

Q1947.Which company developed the multimodal AI model family 'Gemini'?

Easy
A Google
B Amazon
C Meta
D Apple
Computer Terminology PPSC

Correct Answer: A

Gemini (formerly Bard) is Google's state-of-the-art family of highly advanced multimodal AI models.

Q1948.What is an 'algorithm'?

Easy
A A type of monitor
B A step-by-step procedure or set of rules to solve a problem
C A computer virus
D A memory chip
Computer Terminology PPSC

Correct Answer: B

An algorithm is a finite, ordered sequence of mathematical or logical steps to solve a specific problem.

Q1949.Which term describes AI that can perform any intellectual task a human can?

Easy
A Artificial General Intelligence (AGI)
B Weak AI
C Reactive AI
D Narrow AI
Computer Terminology PPSC

Correct Answer: A

Artificial General Intelligence (AGI) represents hypothetical AI systems with human-level general intelligence across multiple domains.

Q1950.In a machine learning confusion matrix, what does a 'False Positive' represent?

Easy
A Incorrectly predicted positive (Type I error)
B Correctly predicted positive
C Incorrectly predicted negative (Type II error)
D Correctly predicted negative
Computer Terminology PPSC

Correct Answer: A

A False Positive occurs when a model incorrectly flags a negative case as positive (e.g., classifying a healthy patient as sick).

Q1951.What does 'overfitting' in machine learning mean?

Easy
A The model performs well on training data but poorly on new data
B The model cannot be trained at all
C The model performs poorly on training data
D The model has too little data to learn
Computer Terminology PPSC

Correct Answer: A

Overfitting occurs when a model learns the noise and details of the training data too well, failing to generalize to unseen test datasets.

Q1952.What is the primary purpose of the backpropagation algorithm?

Easy
A Data cleaning
B Updating weights to reduce prediction errors
C Sorting data
D Image capturing
Computer Terminology PPSC

Correct Answer: B

Backpropagation computes gradients of the loss function and updates neural network weights to minimize errors.

Q1953.What does 'NLP' stand for?

Easy
A Numeric Learning Program
B Network Layer Protocol
C Neural Logic Processing
D Natural Language Processing
Computer Networks PPSC

Correct Answer: D

NLP stands for Natural Language Processing, which is the field of AI focused on enabling computers to understand human language.

Q1954.Which of the following is a popular generative AI model for synthesizing images from text?

Easy
A YOLO
B ResNet
C BERT
D DALL•E
Computer Terminology PPSC

Correct Answer: D

DALL·E is OpenAI's generative model designed to synthesize creative, original images from natural language descriptions.

Q1955.What is a 'hyperparameter' in machine learning?

Easy
A An output label
B A learned weight
C A type of dataset
D A configuration setting set before training begins
Computer Terminology PPSC

Correct Answer: D

Hyperparameters are external settings (like learning rate or batch size) configured by engineers before model training.

Q1956.Which deep learning technique helps reduce overfitting by randomly disabling neurons during training?

Easy
A Pooling
B Dropout
C Stride
D Padding
Computer Terminology PPSC

Correct Answer: B

Dropout randomly deactivates a fraction of neurons during each training step, preventing co-adaptation and improving generalization.

Q1957.The 'GPT' in ChatGPT stands for?

Easy
A Graphical Pattern Tracker
B Global Prediction Technique
C General Processing Tool
D Generative Pre-trained Transformer
General MCQs PPSC

Correct Answer: D

GPT stands for Generative Pre-trained Transformer, an advanced transformer-based neural network architecture optimized for language tasks.

Q1958.Depth-First Search (DFS) typically uses which data structure?

Easy
A Queue
B Hash table
C Stack
D Heap
Computer Terminology PPSC

Correct Answer: C

DFS uses a Stack (or function call stack via recursion) to explore deeply down a branch before backtracking.

Q1959.Which evaluation metric is best suited for assessing imbalanced classification datasets?

Easy
A Accuracy
B F1-Score
C Mean
D Range
Computer Networks PPSC

Correct Answer: B

The F1-Score represents the harmonic mean of precision and recall, making it highly robust for imbalanced datasets.

Q1960.What does 'epoch' mean in neural network training?

Easy
A One complete pass of the entire training dataset through the network
B One individual neuron
C One single weight update
D One hidden layer
Computer Terminology PPSC

Correct Answer: A

An epoch represents one full training cycle where the complete training dataset has been passed forward and backward through the network once.