Answer:
The more you try some simple Excel tips and tricks, the more comfortable you’ll be using advanced Excel tricks moving forward. In addition to helping you in college, these Excel tips and tricks can help you secure and retain a job after you graduate. In 2013, IDC published a white paper which was originally commissioned by Microsoft Corporation.
Explanation:
Answer: Arithmetic operators +, -, *, /, and % perform addition, subtraction, multiplication, division, and modulo operations. ... The concept of logical operators is simple. They allow a program to make a decision based on multiple conditions. Each operand is considered a condition that can be evaluated to a true or false value.
Explanation:
Answer:
Following is the program in C++ Language
#include <iostream> // header file
using namespace std; // namespace std
int main() // main method
{
int n; // variable declaration
cout<<" Please enter the number :";
cin>>n; // Read the number
if(n>0) // check the condition when number is positive
{
cout<<n<<endl<<"The number is Positive"; // Display number
}
else if(n<0) // check the condition when number is Negative
{
cout<<n<<endl<<"The number is Negative";// Display number
}
else // check the condition when number is Zero
{
cout<<n<<endl<<"The number is Zero";// Display number
}
return 0;
}
Output:
Please enter the number:
64
The number is Positive
Explanation:
Following are the description of the program
- Declared a variable "n" of int type.
- Read the value of "n" by user.
- Check the condition of positive number by using if block statement .If n>0 it print the number is positive.
- Check the condition of negative number by using else if block statement If n<0 it print the number is negative.
- Finally if both the above condition is fail it print the message " The number is Zero"
Answer:
The invention of flashlight is associated in the late period of industrial revolution.
Explanation:
- During the industrial revolution, Europe and United States flipped the use or technology in the manufacturing processes of industries.
- At the time of industrial revolution many chief inventions like, steam engine, dynamites etc. were made that the traditional history and reformed the technology.
- Thomas Edison in 1879, invented the battery and flashlight at the late period of industrial revolution which was also a major invention
Answer:
The answer is output.open("yearsummary.txt", ios::trunc)
Explanation:
Given an ofstream object named output, associate it with a file named yearsummary.txt for output in a way that truncates (erases) any existing data in the file. The file is output.open("yearsummary.txt", ios::trunc)
