On what basis can you categorize the generations of computers?

Avariable definition defines the name of a variable that will be used in a program, as well as

What multimedia system creates an immersive, real-life experience that the user can interact with?

4. does the kernel phenotype distribution support the idea that the cob is the result of a dihybrid cross? what information supports your answer? if a dihybrid cross (i.e. f1 to f2 of standard mendelian crosses) is not indicated what conditions might contribute to this finding.