Which is the only function all C programs must contain?

Which is the only function all C programs must contain?

start()

system()

main()

printf()

Answer : C

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1) A program which translates a high-level language program into a machine language program is called

2) If Escape sequence:

\n

\'

\a

All of the above

3) How would you round off a value from 1.66 to 2.0?

ceil(1.66)

floor(1.66)

roundup(1.66)

roundto(1.66)

4) What number would be shown on the screen after the following statements of C are executed?

char ch;
  int i;
  ch = 'G';
  i = ch-'A';
 printf("%d", i);

5

6

7

8

5) Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?

rem = 3.14 % 2.1;

rem = modf(3.14, 2.1);

rem = fmod(3.14, 2.1);

Remainder cannot be obtain in floating point division.