Basics Of C Language: Trivia Quiz!
15 Questions
| Total Attempts: 103
(212).jpg "Basics Of C Language: Trivia Quiz!")
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Questions and Answers
- 1.Which of the following is not a valid variable name declaration in the C programming language?
- A.
Int _a3
- B.
Int a_3
- C.
Int 3_a
- D.
Int _3a
- 2.What will happen if the below program is executed? #include int main() { int main = 3; printf("%d", main); return 0; }
- A.
It will cause a compile-time error.
- B.
It will cause a run-time error.
- C.
It will run without any error and prints 3.
- D.
No output and program will terminate abnormally.
- 3.What is the output of the following C code? #include int main() { signed char chr; chr = 128; printf("%d\n", chr); return 0; }
- A.
128
- B.
-128
- C.
Depends on the compiler
- D.
Compile time error as char can't be assigned an int value
- 4.What is the output of the following C code? #include int main() { int i; if(i=0,2,3) printf("Hello "); else printf("World "); printf("%d",i); return 0; }
- A.
World 3
- B.
World 0
- C.
Hello 0
- D.
Hello 3
- 5.What is the output of the following C code? #include <stdio.h> int main() { int i=0,j=0; while(i<5,j<10) { i++; j++; } printf("%d %d",i,j); return 0; }
- A.
5 5
- B.
10 10
- C.
10 5
- D.
5 10
- 6.What will be the output of this C code? #include <stdio.h> int main() { float f1 = 0.1; if (f1 == 0.1) printf("equal\n"); else printf("not equal\n"); return 0; }
- A.
Equal
- B.
Not equal
- C.
Output depends upon compiler
- D.
Compile-time error
- 7.What is ‘short int’ in C programming?
- A.
A basic data type
- B.
Qualifier
- C.
Modifier
- D.
‘short’ is qualifier, ‘int’ is basic data type.
- 8.Does this code compile without error(s)? // no header files included int main() { int k; { int k; for (k = 0; k < 10; k++); // there’s a semicolon in the end! } return 0; }
- A.
Yes
- B.
No
- C.
Depends on the compiler
- D.
Depends on the C standard you are using
- 9.What is the output of this C code? #include int main() { int i; scanf(“%d”, &i); // inputting 071 printf(“%d”, i); return 0; }
- A.
071
- B.
71
- C.
57
- D.
56
- 10.What is the output of this C code? #include<stdio.h> int main() { printf(“%d”, printf(“Hello 2018! ”)); return 0; }
- A.
Compile time error
- B.
Hello 2018!
- C.
12
- D.
Hello 2018! 12
- 11.What is the output of this C code? #include <stdio.h> int main() { if(printf("foo")) switch(printf("bar")) while(printf("infinite")); return 0; }
- A.
Foobarinfiniteinfiniteinfinite………∞
- B.
Foobar
- C.
Foobarinfinite
- D.
Compile-time error
- 12.What is the output of this C code? #include <stdio.h> #define square(x) x*x int main() { int a = 2; int sqr = square(a+1); printf(“%d”,sqr); return 0; }
- A.
3
- B.
4
- C.
5
- D.
6
- 13.What will be the value of d in the following program? #include int main() { int a = 10, b = 5, c = 5; int d; d = b + (c == a); printf("%d", d); }
- A.
Syntax Error
- B.
1
- C.
5
- D.
10
- 14.What is the output of this C code? #include <stdio.h> int main() { int i = 3; int l = i / -2; int k = i % -2; printf("%d %d\n", l, k); return 0; }
- A.
Compile time error
- B.
-1 1
- C.
1 -1
- D.
Implementation defined
- 15.What is the Output of this C code? #include <stdio.h> int main() { int a = 10; if (a == a--) printf("TRUE 1\t"); a = 10; if (a == --a) printf("TRUE 2\t"); }
- A.
TRUE 1
- B.
TRUE 2
- C.
TRUE 1 TRUE 2
- D.
Compiler Dependent
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