In telecommunications, RS-232, Recommended Standard 232 is a standard introduced in 1960 for serial communication transmission of data. It formally defines the signals connecting between a DTE (data terminal equipment) such as a computer terminal, and a DCE (data circuit-terminating equipment or data communication equipment), such as a modem. The RS-232 standard had been commonly used in computer serial ports.
MacKeeper by Zeobit, LLC is a multi-functional system utility for Mac OS X which consists of 16 tools for security, system optimization and cleanup. The program has caused much debate and controversy because of Zeobitâs marketing tactics and also because of users reporting that the software itself is actually malware.
1 For HAZWOPER training, it is essential that the trainees have hands-on experience and exercises to provide an opportunity to become familiar with equipment and safe practices in a non-hazardous setting. 2  Also, in an effective training program, it is critical that trainees have the opportunity to ask questions where material is unfamiliar to them.