Answer:
answer a
Explanation:
sorry it’s for the points
Answer:
sed '/march/{d;}' birthdays.txt > result
.txt
Explanation:
sed syntax is basically:
<em>sed '/expression/{command;command;...;}' inputfile > outputfile</em>
- First, for the expression part, we use /march/ to match all lines containing that string.
- Then for the command part, we only use {d} command to delete every matching line found.
- The third part contains the input file to process, I have named it birthdays.txt, but it could have been any other file needed.
- Finally "> result
.txt" makes the script output to be saved into a file named result.txt
Most are wireless routers, meaning converged devices that include a WAP,router<span>, and often an </span>Ethernet switch<span> in the same device.</span>
Answer:
Explanation:
Given
Power at point A = 100W
Power at point B = 90W
Required
Determine the attenuation in decibels
Attenuation is calculated using the following formula
Where 
t and 
t
Substitute these values in the given formula
<em>(Approximated)</em>
Answer:
cout<<count;
Explanation:
The above statement is in c++ which display the value of count .The cout statement is used in c++ to print the value on console .
Following are the code in c++
#include <iostream> // header file
using namespace std; // namespace
int main() // main method
{
int count=90; // count variable
cout<<count; // display the value of count
return 0;
}
Output:
90
In this program we have declared a count variable of integer type which is initialized by 90 and finally displays the value of count on the screen.
