General MCQs
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Q561.What does 'PDF/A' format specifically ensure?
Correct Answer: A
PDF/A is an ISO-standardized version of the PDF format designed specifically for the digital preservation and archival storage of electronic documents.
Q562.The term 'SOP' in office administration stands for?
Correct Answer: A
SOP stands for Standard Operating Procedure, representing written step-by-step instructions designed to help employees perform complex operations uniformly.
Q563.In official correspondence, 'Demi-Official' letters are written in?
Correct Answer: B
Demi-Official (D.O.) letters are written in the first person with a friendly or personal tone, typically sent between public officials to expedite administrative processes.
Q564.Which is a TRUE statement about supervised vs unsupervised learning?
Correct Answer: A
Supervised learning requires labeled training datasets, while unsupervised learning operates on unlabeled data to discover hidden patterns or groupings.
Q565.Which model architecture do GPT-4 and similar LLMs primarily rely on?
Correct Answer: C
Large Language Models (LLMs) such as GPT-4 are built on decoder-only or decoder-based Transformer neural network architectures optimized for predicting subsequent text tokens.
Q566.What is the purpose of a 'validation set'?
Correct Answer: B
A validation set is used during machine learning model training to tune hyperparameters, check performance, and prevent overfitting.
Q567.The 'Transformer' architecture was introduced in the 2017 paper titled:
Correct Answer: A
The groundbreaking 2017 research paper from Google titled "Attention Is All You Need" introduced the Transformer architecture, which replaced RNNs and LSTMs.
Q568.Which architecture introduced the 'attention mechanism' that powers modern LLMs?
Correct Answer: B
The self-attention mechanism, which enables models to dynamically weigh relationships between tokens regardless of distance, was introduced by the Transformer.
Q569.Which of the following is an unsupervised dimensionality reduction technique?
Correct Answer: B
Principal Component Analysis (PCA) is an unsupervised mathematical technique used to reduce the dimensionality of large datasets while preserving maximum variance.
Q570.In reinforcement learning, the entity that learns and makes decisions is called the:
Correct Answer: C
In reinforcement learning (RL), the "Agent" represents the active entity that perceives the environment, performs actions, and learns from rewards or penalties.
Q571.Which search strategy explores nodes level by level?
Correct Answer: C
Breadth-First Search (BFS) is a graph traversal algorithm that explores all neighbor nodes at the current depth level before moving deeper.
Q572.K-Means is an example of which type of learning?
Correct Answer: D
K-Means is a popular unsupervised machine learning clustering algorithm used to partition unlabeled datasets into distinct groupings.
Q573.Which company developed Claude?
Correct Answer: A
Claude is a family of highly advanced LLMs and chatbots engineered by Anthropic, an AI safety and research company.
Q574.Which company developed Gemini?
Correct Answer: A
Gemini (formerly Bard) is Google's multimodal family of large language models.
Q575.Which company developed LLaMA?
Correct Answer: A
LLaMA (Large Language Model Meta AI) is an open-weights LLM family developed and released by Meta.
Q576.The F1 key is used for _____?
Correct Answer: D
F1 is the universal function key programmed across almost all operating systems and applications to open the Help menu.
Q577.The first row in an HTML table is called ______?
Correct Answer: B
In an HTML table structure, the first row is conventionally dedicated to column headings, formatted using the `<tr>` and `<th>` tags.
Q578.Which of the following storage devices can store maximum amount of data?
Correct Answer: B
A typical Hard Disk can store up to several Terabytes of data, vastly exceeding the limits of compact discs (700 MB) or floppy disks (1.44 MB).
Q579.Who developed the world's first 1-terabyte (1TB) hard disk drive?
Correct Answer: B
Hitachi GST released the Deskstar 7K1000 in 2007, which was the world's first 1 TB hard disk drive using five 200 GB platters.
Q580.Which key is used to refresh or reload web pages?
Correct Answer: B
F5 is the standard key used to refresh or reload the active web page in modern internet browsers.