Computers and Technology, 22.09.2020 16:01 layja20
Zack is working on an assignment at school. He wants to save his work so he can take it home and complete it on his home computer. What device should Zack save his work to? Hard drive Solid-state drive DVD USB flash drive
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Computers and Technology, 22.06.2019 11:30
What do character formats do for your document's message? a.set the tone b.provide organization c.provide clarity d.set how texts align with documents
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Computers and Technology, 23.06.2019 01:10
Are special combinations of keys that tell a computer to perform a command. keypads multi-keys combinations shortcuts
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Computers and Technology, 23.06.2019 03:50
Q-1 which of the following can exist as cloud-based it resources? a. physical serverb. virtual serverc. software programd. network device
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Computers and Technology, 23.06.2019 10:20
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)?
Answers: 1
Zack is working on an assignment at school. He wants to save his work so he can take it home and com...
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