What hexadecimal number does this binary number represent? 1011 1001 0001 1000 A: 9818
B: B818
C: B918
D: A918
E: A817

What is the full meaning of rfid in computer

Kto rozmawia z clamentain przez krótkofalówke w the walking dead w 4 epizodzie

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?