21. Calma became part of UTI's United Computing Systems ( UCS ) operating unit. 22. This is used with complex computing systems that are linked. 23. In digital computing systems , the rules can be expressed by algorithms and data structures. 24. But that feature isn't geared for complex corporate computing systems . 25. Which is a computing system built in the 1970s and uses 8-inch floppy disks. 26. Papert's work helped inspire Kay's explorations of new computing systems . 27. The simplest voting logic in computing systems involves two components : primary and alternate. 28. In crypto cloud computing system , non-system data is not allowed to store and transmit. 29. This practice generally refers to software vulnerabilities in computing systems . 30. Modern facilities usually include a variety of computing systems for operational and administrative purposes. 