Meanings and history of the name Kara : | Edit. Sometimes considered a derivative of Katherine, Greek in origin, meaning pure.. Also means empty in Japanese such as in karate 'empty hand' and karaoke 'empty orchestra'.eanings and history of the name Kara : | Edit. Sometimes considered a derivative of Katherine, Greek in origin, meaning pure.. Also means empty in Japanese such as in karate 'empty hand' and karaoke 'empty orchestra'.
Scratch (http://scratch.mit.edu/) is a popular free software package used in schools to introduce simple computer programming.
The PLC's software program. The software program is the heart of a PLC and is written by a programmer who uses elements, functions, and instructions to design the system that the PLC is to control or monitor. These elements are placed on individually numbered rungs in the relay ladder logic (RLL).