Computers and Technology, 12.10.2020 19:01 nahimi
Which of the following are examples of system software?
device drivers and system security utilities
operating systems and Web browsers
word processing programs and device drivers
disk drive utilities and email programs
Answers: 2
Computers and Technology, 22.06.2019 19:00
If your accelerator suddenly gets stuck what should you do
Answers: 2
Computers and Technology, 22.06.2019 19:20
Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.
Answers: 2
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
Computers and Technology, 23.06.2019 12:00
From excel to powerpoint, you can copy and paste a. cell ranges and charts, one at a time. b. cell ranges and charts, simultaneously. c. charts only. d. cell ranges only.
Answers: 3
Which of the following are examples of system software?
device drivers and system security utilitie...
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