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.
Despite all the good reviews by professionals, I am personally skeptical about MacKeeper. Even if MacKeeper does its job well for some users, there are a majority who found that the software caused severe problems on their Mac. So, I had to see for myself what MacKeeper is really like.
Buying Tips. Quality mackerel is easy to recognize. Fresh mackerel never smells fishy, and the eyes should appear bright and clear, almost alive. The gills should be clean, and the skin moist and with tightly adhering, shiny scales.Fresh mackerel should be stiff; it shouldnât bend when you hold it by its head and tail.resh mackerel never smells fishy, and the eyes should appear bright and clear, almost alive. The gills should be clean, and the skin moist and with tightly adhering, shiny scales. Fresh mackerel should be stiff; it shouldnât bend when you hold it by its head and tail.