1. F
1. F F F
2. F F F
3. F underline _ F3. F underline _ F
4. F F reserved words F int, float, etc.
Note: F F
F F 8 F F F
F
1

2. C reserved keywords
2

3. F
F F F
char
intint
short
long ˈ 2 F
unsigned F
float
double ˈ 2 F
3

4. F
F ( F) F
Char 1 ASCII F 1 F 0 255
Int 2 F F 32768 32767
Short 2 F F 32768 32767Short 2 F F 32768 32767
Long 4 F ± 2000 F
Unsigned Unsigned short = 2
Unsigned long = 4
F F 0 65535
F F 0 4000 F
Float 4 F F 10x
x F F 37 +38
Double 8 F F
4

5. F
F F F ˈ 4 F
F
F
F
F
F
5

6. F
F char F F
# include <stdio.h>
main ( )
{{
char reply;
reply = y;
}
6

7. F F ˈ
F F F F F F F F ˈ
ASCII F F F
F F
F
BELL F ASCII 007 F
beep = 007 ;
F F n
ˈ newline = n ;
7

8. F
# include <stdio.h>
main ( )
{
char newline;char newline;
newline = n;
printf( Hello, Good morning. %c ,newline);
printf( Hello, Good morning.n );
}
8

9. F
F F 4 int, short, long
unsigned
unsigned F
F F F F int shortF F F F int short
long F F
unsigned int plusnum;
unsigned long width;
unsigned short absno; /* absolute number */
9

10. F
F 2 float
double double F F ˈ 2 F float
F F F
F F F FF F F F
F F
9,000,000,000 9.0*109 9.0e9
345,000 3.45*105 3.45e5
0.00063 6.3*10-4 6.3e-4
0.00000924 9.24*10-6 9.24e-6
10

11. F
ˈ F
F F
(array) F F
F [ ]F [ ]
char name[30];
name ˈ char 30
ˈ F F F F
null 0 F 29
11

12. F F F F
F F F
F F
main ( )
{
int age = 18;
{
int age = 18;
float height;
char name[30] = Mr. Surasak”;
height = 172.5;
printf( Name: %s is %d years old , name, age);
printf( and tall %f cms.n ,height);
}
12

13. F F F F
F
# include <stdio.h>
main ( )
{
int sum,valuea;
F F :
Total value is 5.
int sum,valuea;
int count = 1;
valuea = 4;
sum = count + valuea;
printf( Total value is %d.n ,sum);
}
Total value is 5.
13