What are serial ports and how were they used in older computer systems?

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    Windows windows 7
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Discussion Overview

The discussion revolves around the concept of serial ports and their historical use in older computer systems, particularly in the context of software development and debugging practices in the 1990s.

Discussion Character

  • Exploratory
  • Technical explanation
  • Historical

Main Points Raised

  • Some participants define a developer as a computer programmer who works on software and drivers, with examples of tools available for app development on platforms like iPhone and Windows 7.
  • One participant mentions the Microsoft Developers Network (MSDN) as a resource for software and device drivers kits, highlighting the complexity of tools available for Windows 7 compared to earlier systems.
  • A participant recalls using a device drivers kit (DDK) for Windows NT, describing a remote debugging setup that utilized two computers communicating through serial ports.
  • Another participant expresses a nostalgic view of serial ports, indicating a sense of quaintness associated with their use in older technology.

Areas of Agreement / Disagreement

The discussion does not present a consensus but rather a collection of perspectives on the role of developers and the historical context of serial ports in computing.

Contextual Notes

Participants reference specific tools and practices from the 1990s, but there is no detailed exploration of the technical specifications or limitations of serial ports themselves.

Who May Find This Useful

This discussion may be of interest to individuals exploring the history of computing, software development practices, or those curious about the evolution of hardware interfaces like serial ports.

Saladsamurai
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I saw a book today called "Windows 7 for Developers" and it made curious: what exactly is a 'developer?' And what kind of background/ computer skills do you think would be necessary to read this book? (the answer will help me better understand what a developer does.)

thanks!
 
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A developer is a computer programmer that works on software and drivers for a given platform. As an example, when the iphone came out, apple released a developer tool kit for anyone that wants to make their own apps and games - and then sell it.

The tool kit contains everything you need from writing code, uploading it, debugging, a list of supported functions, and a comprehensive guide and manuals.

For Windows 7 it would be more advanced - perhaps a list of system calls and info on the Windows kernel and services.
 
Check out MSDN (Microsoft Developers Network) for a SDK (software developers kit) and DDK (device drivers kit) for Windows 7. Last time I used a DDK was for Windows NT. It included remote debugging that used two computers, one was the target system with the device driver, the other was the host system that had the debugger, compiler, and source code for the driver. The target system would breakpoint during driver loading, allowing the user to specify which driver to break upon driver startup. At that time (1990's), the two systems communicated via serial ports.
 
Jeff Reid said:
At that time (1990's), the two systems communicated via serial ports.

Ohhhh, serial ports. That's so quaint! :smile:
 

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