Review Questions (10 points)
Please answer the following questions below. Please type your answers under their respective question.
1.(1 points) What type of information should be specified in the block comment at the very beginning of the program?
2.(2 point) Which variables below are syntactically correct? (Put a y in parenthesis if the variable is a legal identifier and a n if not.)
income ()
1time ()
int ()
Toms ()
two fold ()
c3po ()
income#1 ()
item ()
3.(1 point) What is illegal about the following program fragment?
#include <stdio.h>
#define PI 3.14159
int
main(void)
{
double c, r;
scanf(%lf%lf, c, r);
PI = c / (2 * r);
. . .
}
4.(1 point) Stylistically, which of the following identifiers would be good choices for names of constant macros? (Put a y in parenthesis if the macro is a good name and a n if not.)
gravity ()
G ()
MAX_SPEED ()
Sphere_Size ()
5.(2 points) The average pH of citrus fruits is 2.2, and this value has been stored in the variable avg_citrus_pH . Provide a statement to display this information in a readable way.
6.(1 point) List three standard data types of C.
7.(2 points) Write an algorithm that allows for the input of an integer value, doubles it, subtracts 10, and displays the result.
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