The arithmetic logic unit (ALU), which performs arithmetic and logical operations.
The control unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary.
        
                    
             
        
        
        
Answer:
void main(){
string name;
printf("Enter Name\n");
stdin("%s",&name);
Printf("\nGreetings %s",name);
}
Explanation:
Here scanf is represented by stdin and we are using that scanner object to read the string value from user.The value which we read are printed in a new line using printf .The format specifier %s in printf is replaced by name variable
 
        
             
        
        
        
Answer:
<h3>Rules for Naming Variables</h3><h3>The first character must be a letter or an underscore (_). You can't use a number as the first character. The rest of the variable name can include any letter, any number, or the underscore. You can't use any other characters, including spaces, symbols, and punctuation marks.</h3>
<em><u>#</u></em><em><u>M</u></em><em><u>a</u></em><em><u>r</u></em><em><u>k</u></em><em><u>a</u></em><em><u>s</u></em><em><u>b</u></em><em><u>r</u></em><em><u>a</u></em><em><u>i</u></em><em><u>n</u></em><em><u>l</u></em><em><u>e</u></em><em><u>s</u></em><em><u>s</u></em><em><u>p</u></em><em><u>l</u></em><em><u>e</u></em><em><u>a</u></em><em><u>s</u></em><em><u>e</u></em><em><u>✅</u></em>