Computers and Technology, 25.01.2021 18:50 gaelle90701
What is the function of primary keys? Primary keys facilitates __?__ because they act as unique identifiers
Answers: 2
Computers and Technology, 23.06.2019 01:30
1. which of the following is a search engine? a) mozilla firefox b)internet explorer c)google d)safari 2. which of the following statements is true? a) all search engines will provide the same results when you enter the same query. b) all search engines use the same amount of advertisements. c) some search engines are also browsers. d) search engines often provide different results, even when you enter the same query.
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Computers and Technology, 23.06.2019 03:30
Hashtags serve to identify the topic of a given tweet true false
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Computers and Technology, 23.06.2019 19:00
Write a program that displays the following menu: geometry calculator 1. calculate the area of a circle 2. calculate the area of a rectangle 3. calculate the area of a triangle 4. quit enter your choice (1-4): if the user enters 1, the program should ask for the radius of the circle and then display its area. use the following formula: area = ď€(the square of r) use 3.14159 for ď€ and the radius of the circle for r. if the user enters 2, the program should ask for the length and width of the rectangle and then display the rectangle’s area. use the following formula: area = length * width if the user enters 3, the program should ask for the length of the triangle’s base and its height, and then display its area. use the following formula: area = base * height * .5 if the user enters 4, the program should end. input validation: display an error message if the user enters a number outside the range of 1 through 4 when selecting an item from the menu. do not accept negative values for the circle’s radius, the rectangle’s length or width, or the triangle’s base or height. note: if the user enters an improper menu choice (1-4), the program prints "the valid choices are 1 through 4. run the program again and select one of those." if the user enters a negative radius, the program prints "the radius can not be less than zero." if the user enters a negative value for height or base, the program prints "only enter positive values for base and height."
Answers: 1
Computers and Technology, 24.06.2019 12:30
Why does the pc send out a broadcast arp prior to sending the first ping request
Answers: 1
What is the function of primary keys?
Primary keys facilitates __?__ because they act as unique ide...
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