Answer:
EXAMPLE -
Create a variable and assign your age
var myage = 32;
type your age:
console.log(my age) ;
Notice that we did not type the actual numeric age. We used the variable instead. There wouldn’t be any purpose of declaring a variable if we were going to type 32 directly.
This makes the scrip more portable which means that the result on the screen is independent of the code console.log(myAge); . If we need to change our age all we have to do is to assign another number to the variable myAge and the output will change automatically. That’s the purpose of a variable.
Answer:
The algorithm is as follows:
1. Input sentence
2. Input character
3. Length = len(sentence)
4. count = 0
5. For i = 0 to Length-1
5.1 If sentence[i] == character
5.1.1 count++
6. Print count
7. Stop
The program in C++ is as follows:
#include <iostream>
#include <string.h>
using namespace std;
int main(){
char str[100]; char chr;
cin.getline(str, 100);
cin>>chr;
int count = 0;
for (int i=0;i<strlen(str);i++){
if (str[i] == chr){
count++;} }
cout << count;
return 0;}
Explanation:
I will provide explanation for the c++ program. The explanation can also be extended to the algorithm
This declares the string and the character
char str[100]; char chr;
This gets input for the string variable
cin.getline(str, 100);
This gets input for the character variable
cin>>chr;
This initializes count to 0
int count = 0;
This iterates through the characters of the string
for (int i=0;i<strlen(str);i++){
If the current character equals the search character, count is incremented by 1
if (str[i] == chr){ count++;} }
This prints the count
cout << count;
Answer: like the monitor or the keyboard
Explanation: it is true i even looked it up and it was true
