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AI Agents: What They Are and How They Will Change Work

Artificial intelligence has moved beyond simply answering questions and generating text. A new generation of AI systems—known as AI agents—is emerging with the ability to plan tasks, use tools, make decisions, and complete multi-step workflows with less human intervention. From managing emails and analyzing data to writing software and assisting customers, AI agents could significantly change how people work. What Are AI Agents? An AI agent is a software system that can perceive information, reason about a goal, take actions, and adapt based on the results. Traditional AI tools usually respond to a specific instruction. For example, you might ask an AI chatbot to summarize a document, and it provides a summary. An AI agent can go further. You could give an agent a goal such as: "Research three competitors, compare their pricing, summarize their main features, and prepare a report." The agent may then: 1) Understand the objective. 2) Break the task into smaller steps. 3) Searc...

Transforming I/O Request to Hardware

Transforming I/O Requests to Hardware Operations
* Users appeal data using file names, which must ultimately be mapped to specific blocks of data from a specific device managed by a specific device driver.
*  DOS uses the colon separator to specify a particular device ( e.g. C:, LPT:, etc. )
* UNIX uses a mount table to map filename append ( e.g. /usr ) to specific mounted devices. Where many entries in the mount table match different appends of the filename the one that matches the longest append is chosen. ( e.g. /usr/home instead of /usr where both subsits in the mount table and both match the required file. )
* UNIX uses special device files, usually located in /dev, to represent and process physical devices directly.
• Each device file has a major and minor number related with it, stored and 
displayed where the file size could normally go.
• The high number is an index into a table of device drivers, and implies which 
device driver handles this device. ( E.g. the disk drive handler. )
• The minor number is a parameter moved to the device driver, and implies which 
particular device is to be processed, out of the many which may be handled by a 
particular device driver. ( e.g. a specific disk drive or partition. )
* A series of lookup tables and mappings makes the access of different devices adaptable, and somewhat transparent to users.
* Figure explains the steps taken to process a ( blocking ) read request:


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