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grandymaker [24]
3 years ago
11

Program 4: But I haven’t taken Calculus yet! OK – we admit, this one might look nasty, but read on because it’s not that bad. On

e of the things that computing folks do A LOT (especially CS students) is analyze how long a program takes to run. In the first step, something might take 1 unit of CPU time. The second step might take 2, the third 3 and so on. Mathematically, that would be expressed by the "summation" operator as this: ∑???? ???? ????=1 This is may look complex, but all it’s saying is that i goes from 1 to n and you sum all those numbers together. So, if (n = 10), ∑???? ???? ????=1 = 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 Fortunately, this reduces to a simple formula. When summing numbers from 1-n, the sum is: (n+1)*n/2 Why? It’s all in how you "pair" the numbers together. In the example above, we could pair (1+10) =11, (2+9)=11, (3+8)=11 and so on. That is, we have n/2 "pairs" of (n+1). Your task is, without using a loop (which we haven’t covered yet), to write a program that asks the user for a number, then prints out the sum of 1 to that number. If you use a loop, you will receive no credit
Computers and Technology
1 answer:
34kurt3 years ago
5 0

Answer:

wdadawdawdawdawdawdawdawsdwfawf

Explanation:

Program 4: But I haven’t taken Calculus yet! OK – we admit, this one might look nasty, but read on because it’s not that bad. One of the things that computing folks do A LOT (especially CS students) is analyze how long a program takes to run. In the first step, something might take 1 unit of CPU time. The second step might take 2, the third 3 and so on. Mathematically, that would be expressed by the "summation" operator as this: ∑???? ???? ????=1 This is may look complex, but all it’s saying is that i goes from 1 to n and you sum all those numbers together. So, if (n = 10), ∑???? ???? ????=1 = 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 Fortunately, this reduces to a simple formula. When summing numbers from 1-n, the sum is: (n+1)*n/2 Why? It’s all in how you "pair" the numbers together. In the example above, we could pair (1+10) =11, (2+9)=11, (3+8)=11 and so on. That is, we have n/2 "pairs" of (n+1). Your task is, without using a loop (which we haven’t covered yet), to write a program that asks the user for a number, then prints out the sum of 1 to that number. If you use a loop, you will receive no credit

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Fynjy0 [20]

Answer:

myInt=40

myFloat=4.8

Explanation:

First look at the function definition .It has two arguments intVal is passed by reference while floatVal is passed by value.So the changes done on the myInt variable will be reflected on the original argument because when a variable is passed by reference the the changes are reflected on the original argument but when a variable is passed by value the function created a duplicate copy of it and work on them so changes are not reflected on the original argument.So myInt will get doubled while myFloat will remain the same.

5 0
3 years ago
_______ is a form of crime that targets a computer system to acquire information stored on that computer system, to control the
julia-pushkina [17]

Answer:

Option (A) is the correct answer.

Explanation:

A Computer system can be the target for the crime on which a criminal can acquire the information from the computer system which is stored on it. A Criminal is targeting the system with the help of some software that is entered on the computer system through a network.

In the above question, paragraphs are describing the content related to the crime which targets the computer system. This is a concept of a "computer as target". Hence option "A" is the correct answer while the other is not valid because--

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4 years ago
For this assignment, you will create flowchart using Flowgorithm and Pseudocode for the following program example:
satela [25.4K]

Answer:

The pseudocode is as given below in the explanation while the flow diagram is attached herewith

Explanation:

The pseudocode is as follows

input cust_name, num_texts  

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3 years ago
If you want to stop the current flow through Device 3 in the circuit shown above, which one of the following single switches sho
Ber [7]
A is the answer because it's the best
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4 years ago
I am stuck on these 2 questions. Can someone help me please?
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Answer:

My answer could not be submitted because of some signs and symbols in my solution.

So, I've added the answer and a comprehensive explanation as an attachment.

Note that the question is answered using Python programming language.

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Lines that start with # are used to explain the program

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