If you're going into a job such as publishing or editing then having a clear understanding of the technical aspects of writing (grammar, sentence structure, spelling) is pretty key.
k - in technical writing is knowledge;)
Brevity is very important in technical writing. Technical writing exists for one main purpose: to relate specific information and instructions.
communication skill and technical knowledge
Graphics can be important to technical writing, if the graphics accurately represent the current state of the technology. Too often, the technology morphs and changes, so that the graphics become different from the technology -- this is the danger of using graphics in technical writing.
There are a few important purposes for Technical writing. This includes being able to write instructions, organizing data and to converse with others with information. Technical writing consists of being able to write clearly, concisely, accurately and in an organized manner.
The relevance of technical writing in your present world can vary depending on your profession. Technical writing is important in industrial fields when pitching new ideas. It can help consumers save money and time.
non technical writing are not techincaly real writing
Technical writing is usually fact-centric, and gets to the point without any frills. The style you learned in school tends to be flowery and full of structure conventions. Technical writing doesn't care.
knowledge
because if you never be honest you get in trouble
of course it is important for them. don't forget that writing is part of knowledge.
The ABC's of technical writing basically means the basics of technical writing.