Quiz for goto statement

Q1: Which keyword is used to transfer control to a labeled statement in C?

A. goto B. label C. jump D. continue

Q2: In C, a label used with goto must be followed by which symbol?

A. : B. ; C. , D. .

Q3: Can goto transfer control to a label outside the current function?

A. Yes B. No C. Only in loops D. Only in switch-case

Q4: Which of the following is a valid label for goto?

A. start: B. 1start: C. _label: D. $label:

Q5: What is a common drawback of using goto statements?

A. Makes code faster B. Improves readability C. Can make code hard to understand D. Increases memory usage

Q6: What happens if the label specified in goto does not exist?

A. Program skips the statement B. Compiler error C. Runtime error D. Nothing

Q7: Is it possible to use goto to jump into a loop?

A. Yes B. No C. Only in for loops D. Only in while loops

Q8: Which of the following is true about goto?

A. It can jump backward and forward B. It only jumps forward C. It only jumps backward D. It can only be used in loops

Q9: What is the output of: int i=0; start: i++; if(i<3) goto start; printf("%d", i);

A. 1 B. 2 C. 3 D. 4

Q10: Which is a safer alternative to goto for breaking multiple loops?

A. continue B. break C. flag variables D. switch

Q11: Can goto skip variable initialization?

A. Yes B. No C. Only for global variables D. Only for static variables

Q12: When is it acceptable to use goto in C?

A. For error handling B. Always C. Never D. Only in main function

Q13: Can labels and goto have the same name as a variable?

A. Yes B. No C. Sometimes D. Only for globals

Q14: What is the main reason to avoid goto?

A. It slows down execution B. It reduces code readability C. It increases compilation time D. It requires extra memory

Q15: Which keyword is used to define a label in C?

A. goto B. label C. any identifier followed by colon D. jump

Q16: Can goto jump into a block that has variables with automatic storage duration?

A. Yes B. No C. Only if variables are static D. Only if variables are extern

Q17: Which of the following uses goto correctly?

A. goto end; B. goto; end C. label goto; D. goto(label);

Q18: What does "spaghetti code" refer to in programming?

A. Code that is too simple B. Code with many goto jumps C. Code with too many functions D. Code without comments

Q19: What is the output of: int x=0; label: x+=2; if(x<5) goto label; printf("%d", x);

A. 2 B. 4 C. 6 D. 8

Q20: Which section of code is most likely to use goto in system programming?

A. Graphics rendering B. Error cleanup C. GUI handling D. String manipulation