Answer:
C. Bell and LaPadula
Explanation:
The first mathematical models of multilevel security computer system was developed by Bell and Lapadula. Their full names are David Elliot Bell and Leonard J. Lapadula. Their model used to define the concept of modes of access,secure state machine and outlined the rules of access.
When one is typing on MS word and one save the file, this data would be stored as combination of 1s and 0s in the computer.
- Computer data storage can be regarded complex system, immediately a data is saved then;
- The first be converted to simple numbers of 1s and 0s , this number are very easy for a computer to store and these number are regarded as Binary Numbers and all letters as well as photographs are converted to numbers,
- The hardware will record this saved numbers inside the computer.
- These numbers are then organized and transferred to temporary storage which be manipulated by programs, or software.
Therefore, data are been stored as 1s and 0s in the computer.
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