NEW
Font size
WorksheetsMastering Switch Case in C Programming
Total questions: 20
Worksheet time: 10mins
What is the correct syntax for a switch case in C?
switch(expression) { case value1: // code; break; default: // code; }
switch value1: // code; break; case value2: // code; break;
switch(expression) { case value1: // code; case value2: // code; }
switch(expression) { case value1: // code; break; case value2: // code; break; default: // code; }
How do you define a nested switch case in C?
Nested switch cases are defined by using if-else statements.
A switch case cannot be nested in C.
Nested switch case is defined by placing one switch statement inside another switch statement.
You can only have one switch statement in a program.
What happens if no case matches in a switch statement?
The program throws an error if no case matches.
The 'default' case executes if present; otherwise, nothing happens.
The switch statement automatically defaults to the first case.
The switch statement always executes the first case.
Can a switch case have multiple cases for the same block of code?
No, a switch case cannot have multiple cases for the same block of code.
Only the first case can execute the block of code.
Yes, a switch case can have multiple cases for the same block of code.
Yes, each case must have a unique block of code.
What is the purpose of the default case in a switch statement?
The default case is used to define the first case in the switch statement.
The default case is mandatory for every switch statement.
The default case provides a fallback action when no case matches.
The default case executes only if all cases are true.
How does the break statement affect a switch case?
The break statement is optional in all switch cases.
The break statement is used to exit loops only.
The break statement prevents fall-through in a switch case.
The break statement allows multiple cases to execute.
What is the output of the following code: switch(x) { case 1: printf('One'); break; case 2: printf('Two'); } when x = 3?
One
Two
Error: Undefined case
No output
Can a switch statement evaluate expressions other than integers?
No, a switch statement can only evaluate integers.
Yes, but only for boolean values.
Yes, a switch statement can evaluate expressions other than integers.
No, switch statements are limited to string comparisons.
What is the result of using a switch case with a float variable?
Using a switch case with a float variable is allowed in all programming languages.
Switch cases can handle float variables by default.
Using a switch case with a float variable is generally not allowed.
Float variables can be used in switch cases with no restrictions.
How do you handle multiple conditions in an if-else statement?
Use only 'if' for all conditions.
Combine all conditions into a single 'if' statement.
Use 'switch' statements instead of 'if-else' for conditions.
Use 'if', 'else if', and 'else' to check multiple conditions.
What is the difference between if-else and switch case?
If-else is for conditional branching, switch case is for multi-way branching based on a single expression.
If-else is used for loops, switch case is for single conditions.
If-else is faster than switch case in all scenarios.
Switch case can only handle boolean expressions, if-else can handle any type.
Can you nest if-else statements?
Yes
No, if-else statements cannot be nested
Only one if-else statement is allowed
Nesting is only possible in certain programming languages
What is the output of the following code: if (x > 0) { printf('Positive'); } else if (x < 0) { printf('Negative'); } else { printf('Zero'); } when x = 0?
Zero
Undefined
Positive
Negative
What is an edge case in the context of switch statements?
An edge case in switch statements is an unusual or unexpected input that may not be handled by the defined cases.
An edge case refers to a standard case that is explicitly defined in the switch statement.
An edge case is a common input that is always handled correctly.
An edge case is a type of variable that cannot be used in switch statements.
How can you use a switch statement to handle character input?
Use a switch statement to evaluate character input and execute code based on the character's value.
Use a switch statement to compare integer values only.
Switch statements cannot handle character input.
Use a switch statement to evaluate string input only.
What will happen if you forget to include a break statement in a switch case?
The program will throw an error and terminate.
The program will execute all subsequent cases until a break is encountered.
The program will skip all cases and go to the default case.
The program will stop executing immediately.
How do you write a switch case for a char variable?
for (char c : charArray) { // code for each char }
switch (charVariable) { case 'a': // code for 'a' break; case 'b': // code for 'b' break; default: // code for other cases }
switch (charVariable) { case '1': // code for '1' break; }
if (charVariable == 'a') { // code for 'a' }
What is the output of the following code: switch (x) { case 1: case 2: printf('One or Two'); break; default: printf('Other'); } when x = 2?
None
One or Two
One
Two
Can you use a switch statement with strings in C?
No, you cannot use a switch statement with strings in C.
You can use a switch statement with character arrays in C.
Yes, you can use a switch statement with strings in C.
Switch statements can handle string comparisons in C.
What is the significance of the order of cases in a switch statement?
The order of cases determines the evaluation sequence and can affect the execution flow.
The order of cases has no impact on the execution flow.
The order of cases is irrelevant to the switch statement.
The order of cases only affects variable declarations.
