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3 years ago

7

How many spaces is equal to one tab on a keyboard? When I compose emails, the tab button doesn't indent for me, so how many time

s am I supposed to press the space bar to make it the same length as one tab?

Computers and Technology

1 answer:

Ganezh [65]3 years ago

6 0

You have to press the space bar 13 times in order to make it the same length as the tab.

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How does polymorphism enable you to program "in the general" rather than "in the specific"? Discuss the key advantages of progra

barxatty [35]

Answer:

Explanation:

When programming in an OOP language classes are created to represent real-life objects, people, places etc. from the real world. Programming in the general allows you to cut down your code and making it more efficient by applying the same necessary functions to all of the objects that classify under the same category. For example by programming "in the general" and creating an Animal class you can create all of the functions/behaviors that animals tend to have. Then you can apply these functions/behaviors to various animals such as a Cat, Dog, Horse, etc. But if you program in the specific you cannot apply a Cat class to a Dog since they are not the same thing.

4 0

3 years ago

What does the shell of an operating system do

Andre45 [30]

The OS shell allows access to the operating system services

8 0

3 years ago

Given the following function definition

siniylev [52]

Answer:

B. 1 6 3

Explanation:

Given function definition for calc:

void calc (int a, int& b)

{

int c;

c = a + 2;

a = a * 3;

b = c + a;

}

Function invocation:

x = 1;

y = 2;

z = 3;

calc(x, y);

cout << x << " " << y << " " << z << endl;

Since x is passed by value, its value remains 1.

y is passed by reference to the function calc(x,y);

Tracing the function execution:

c=3

a=3

b=c+a = 6;

But b actually corresponds to y. So y=6 after function call.

Since z is not involved in function call, its value remain 3.

So output: 1 6 3

3 0

3 years ago

Write a C console application that will be used to determine if rectangular packages can fit inside one of a set of spheres. You

MatroZZZ [7]

Answer:

#include <cmath>

#include <iostream>

using namespace std;

int getSphereSize(double length, double breadth, double height) {

double diagonal = sqrt(length * length + breadth * breadth + height * height);

if (diagonal <= 4)

return 4;

if (diagonal <= 6)

return 6;

if (diagonal <= 8)

return 8;

if (diagonal <= 10)

return 10;

if (diagonal <= 12)

return 12;

return 0;

}

int main() {

double length, breadth, height;

int sphereCounts[5] = {0};

int sphereSize;

while (true) {

// Get dimensions of the box

cout << "Enter the dimensions of the box:\n";

cout << "Length: ";

cin >> length;

cout << "Breadth: ";

cin >> breadth;

cout << "Height: ";

cin >> height;

if (length <= 0 || breadth <= 0 || height <= 0)

break;

sphereSize = getSphereSize(length, breadth, height);

if (sphereSize == 0)

cout << "The box cannot fit in any of the spheres";

else

cout << "The box can fit in the " << sphereSize << "-inch sphere";

// Increment the counter

if (sphereSize == 4)

sphereCounts[0]++;

else if (sphereSize == 6)

sphereCounts[1]++;

else if (sphereSize == 8)

sphereCounts[2]++;

else if (sphereSize == 10)

sphereCounts[3]++;

else if (sphereSize == 12)

sphereCounts[4]++;

cout << "\n\n";

}

cout << "\nNumber of 4-inch spheres: " << sphereCounts[0];

cout << "\nNumber of 6-inch spheres: " << sphereCounts[1];

cout << "\nNumber of 8-inch spheres: " << sphereCounts[2];

cout << "\nNumber of 10-inch spheres: " << sphereCounts[3];

cout << "\nNumber of 12-inch spheres: " << sphereCounts[4];

cout << endl;

return 0;

}

Explanation:

The "cmath" library is included in the c++ program. The getSphereSize function is used to return the sphere size the rectangle dimension can fit into. It program continuously prompts the user for the length, breadth, and height of the rectangle and passes the values to the getSphereSize function in the while but breaks if any or all of the variable value is zero.

The sizes of the sphere objects in inches are collected in an array of five integer values of zeros and are incremented by one for every match with a rectangle.

7 0

3 years ago

Create a short document titled "Guide to web searches" that Sergio can give to users of the facility he supervises. The document

Studentka2010 [4]

Answer:

Jobs Seeker's

Web Search Guide

Sergio Escobar

PERFORMING A SEARCH:

All search engines will have a search field in which you are able to enter your search terms,

criteria, keywords, or even a website.

Search terms are the keywords a search engine will use to try to find the most relevant search

results.

If you’re looking for general information, just enter the name of the topic you’re

interested in into the search field.

So, if you’re looking for work, you can use the search terms ‘employment’ and ‘jobs’.

The search engine will return you a list of web pages that include the words

‘employment’ and ‘jobs’.

IF you’re looking for more specific information, you can narrow your search results by

using more specific search terms.

So, if you wanted employment opportunities in Phoenix, AZ, you could use the search terms:

‘local’, ‘employment’, ‘jobs’ and ‘Phoenix’.

Once you’ve entered your search terms and selected the search or go button, the search

engine will provide you with a list oF search results.

Depending on your search, you could get thousands or even millions of search results. This is

because search engines will usually list every single web page on the Internet that used those

search terms somewhere on a web page.

(However, the most current and/ or relevant results should be at the top of the list.)

Searching Strategy:

Using Boolean Operators:

use AND,OR,NOT between the words

ex: LOCAL AND JOBS

JOBS NOT IN NEWYORK

Proximity Operators:

With some search engines you can use proximity operators such as OpenText's NEAR operators or Webcrawler's ADJecent or the FOLLOWED BY operator.

With each of these operators, word order is important.

For example: if you place square brackets such as [local jobs] causes a hit if they are found within 100 words of each other.

Truncation (*)

You can use truncation on most search engines.

That is, you can use the asterisk (*) operator to end a root word.

For example: searching for comput* will find computer, computing, and computer jobs.

Note: the asterisk can not be the first or second letter of a root word.

Wildcard (?)

You can find words that share some but not all characters using the question mark (?) operator.

For example: Com?er J?b will find Computer Jobs and Computer Job.

Note: the ? can not be the first character in the search.

You may also use combinations of truncation (*) and single character wildcard (?) in your searches.

Conclusion:

These are just a few of the strategies and new tools trainers can use to make working on the web more productive.

As trainers continue to use the web they will soon see the next generation of web "knowledge tools" begin to emerge.

These will include multidimensional tools that are created to manage data on the web using factors such as "virtual neighborhoods of information,

" "organic structuring," and "mental model based searching and flying mechanisms" .

These are tools which are intended to make the world wide web more manageable for the user.

Let us now go back to my original statement...that the goals of search strategies and engines should be to increase your efficiency

and effectiveness when looking for information on the web.

Only you can decide which search/knowledge management strategies and tools actually improve your productivity.

It is my hope that this article helps you with making these decisions.

8 0

3 years ago