Computers and Technology, 07.12.2020 21:20 dm21930
Kai notices his laptop is running sluggishly, so he wants to check his system resources for any issues. Which utility can he use?
A.
data recovery utility
B.
file manager
C.
disk cleaner
D.
diagnostic program
E.
antivirus
Answers: 2
Computers and Technology, 22.06.2019 19:20, ChaosMind
Write a program that reads a file consisting of students’ test scores in the range 0–200. it should then determine the number of students having scores in each of the following ranges: 0–24, 25–49, 50–74, 75–99, 100–124, 125–149, 150–174, and 175–200. output the score ranges and the number of students. (run your program with the following input data: 76, 89, 150, 135, 200, 76, 12, 100, 150, 28, 178, 189, 167, 200, 175, 150, 87, 99, 129, 149, 176, 200, 87, 35, 157, 189.)
Answers: 3
Computers and Technology, 23.06.2019 10:20, chonawilson4
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
Computers and Technology, 23.06.2019 14:30, bernicewhite156
Select the correct answer. what does it indicate when a website displays https instead of http? a. the website is secure. b. there is no secure sockets layer. c. the secure sockets layer is hidden. d. the website is not secure.
Answers: 1
Computers and Technology, 24.06.2019 20:30, lowwlifelivv
Where is permanent data in the computer stored whenever gym starts his laptop he sees some commands in numbers appearing on the screen these instructions are being preceded by the control unit in
Answers: 1
Kai notices his laptop is running sluggishly, so he wants to check his system resources for any issu...
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