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2 years ago

# 1) Complete the function to return the result of the conversion

Computers and Technology

1 answer:

seraphim [82]2 years ago

3 0

Answer:

See explanation

Explanation:

Replace the ____ with the expressions in bold and italics

1) return km

return km returns the result of the computation

2) = convert_distance(my_trip_miles)

convert_distance(my_trip_miles) calls the function and passes my_trip_miles to the function

3) + str(my_trip_km)

The above statement prints the returned value

4) +str(my_trip_km * 2)

The above statement prints the returned value multiplied by 2

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Use the loop invariant (I) to show that the code below correctly computes the product of all elements in an array A of n integer

NeTakaya

Answer:

Given Loop Variant P = a[0], a[1] ... a[i]

It is product of n terms in array

Explanation:

The Basic Step: i = 0, loop invariant p=a[0], it is true because of 'p' initialized as a[0].

Induction Step: Assume that for i = n - 3, loop invariant p is product of a[0], a[1], a[2] .... a[n - 3].

So, after that multiply a[n - 2] with p, i.e P = a[0], a[1], a[2] .... a[n - 3].a[n - 2].

After execution of while loop, loop variant p becomes: P = a[0], a[1], a[2] .... a[n -3].a[n -2].

for the case i = n-2, invariant p is product of a[0], a[1], a[2] .... a[n-3].a[n-2]. It is the product of (n-1) terms. In while loop, incrementing the value of i, so i=n-1

And multiply a[n-1] with p, i.e P = a[0].a[1].a[2].... a[n-2].

a[n-1]. i.e. P=P.a[n-1]

By the assumption for i=n-3 loop invariant is true, therefore for i=n-2 also it is true.

By induction method proved that for all n > = 1 Code will return product of n array elements.

While loop check the condition i < n - 1. therefore the conditional statement is n - i > 1

If i = n , n - i = 0 , it will violate condition of while loop, so, the while loop will terminate at i = n at this time loop invariant P = a[0].a[1].a[2]....a[n-2].a[n-1]

6 0

2 years ago

Write a program to input value of three sides, to check triangle is triangle is possible to form of not

NeTakaya

Answer:

Explanation:

import java.util.Scanner;

public class KboatTriangleAngle

{

public static void main(String args[]) {

Scanner in = new Scanner(System.in);

System.out.print("Enter first angle: ");

int a1 = in.nextInt();

System.out.print("Enter second angle: ");

int a2 = in.nextInt();

System.out.print("Enter third angle: ");

int a3 = in.nextInt();

int angleSum = a1 + a2 + a3;

if (angleSum == 180 && a1 > 0 && a2 > 0 && a3 > 0) {

if (a1 < 90 && a2 < 90 && a3 < 90) {

System.out.println("Acute-angled Triangle");

}

else if (a1 == 90 || a2 == 90 || a3 == 90) {

System.out.println("Right-angled Triangle");

}

else {

System.out.println("Obtuse-angled Triangle");

}

else {

System.out.println("Triangle not possible");

}

OUTPUT:

3 0

2 years ago

When you complete a form online with your name, address, and credit card information in order to make a purchase, you are giving

mafiozo [28]

Answer:

Structured

Explanation:

A data dictionary can be defined as a centralized collection of information on a specific data such as attributes, names, fields and definitions that are being used in a computer database system.

In a data dictionary, data elements are combined into records, which are meaningful combinations of data elements that are included in data flows or retained in data stores.

This ultimately implies that, a data dictionary found in a computer database system typically contains the records about all the data elements (objects) such as data relationships with other elements, ownership, type, size, primary keys etc. These records are stored and communicated to other data user when required or needed.

A relational database can be defined as a type of database that is structured in a manner that there exists a relationship between its elements.

Hence, when a user completes a form online by providing his or her name, address, and credit card information in order to make a purchase, he or she is giving the company structured data (pre-defined and formatted to a set structure) that can be used to make up (populate) a relational database or spreadsheet.

A spreadsheet can be defined as a file or document which comprises of cells in a tabulated format (rows and columns) typically used for formatting, arranging, analyzing, storing, calculating and sorting data on computer systems.

3 0

2 years ago

First, read in an input value for variable valCount. Then, read valCount integers from input and output each integer on a newlin

ratelena [41]

Answer:

The program in Python is as follows:

valCount = int(input())

reports = []

for i in range(valCount):

num = int(input())

reports.append(num)

for i in reports:

print(i,"reports.")

Explanation:

This gets input for valCount

valCount = int(input())

This creates an empty list

reports = []

This gets valCount integer from the user

for i in range(valCount):

num = int(input())

Each input is appended to the report list

reports.append(num)

This iterates through the report list

for i in reports:

This prints each element of the report list followed by "reports."

print(i,"reports.")

4 0

2 years ago

A technician is trying to use the tablet to control the iot device digital lamp. the technician tries to login to the registrati

Rom4ik [11]

In the scenario in which a technician is trying to use the tablet to control the IoT device digital lamp, but the access is not successful the two problems are:
The registration service on the server is off.
The digital lamp is using the wrong credential to connect to the registration server.

3 0

2 years ago