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6. Let f : {a, b}* (a, b}* be given by f (n) = ax for every value of n ε {a, b} then f is
One to one not onto
One to one and onto
Not one to one and not onto
Not one-to one and onto
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7. Which of the following types of programs would require the program data to be sorted in order for the programs to work correctly?
Programs that display department names in alphabetical order
Programs that display sales amounts in numerical order
Programs that display subtotals in reports
All of these
8. The number of binary relations on a set with n elements is
n2
2n
2n2
None of these
9. A text is made up of the characters a, b, c, d, e each occurring with the probability 0.12, 0.4, 0.15,0.08 and .25 respectively. The optimal coding technique will have the average length of
2.15
3.78
2.78
1.78
10. C was primarily developed as a
systems programming language
general purpose language
data processing language
none of above
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