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Questions and Answers
What is the purpose of a jump statement in programming?
What is the purpose of a jump statement in programming?
- To alter the normal execution sequence of a program (correct)
- To terminate a program without transferring control
- To input data into a program
- To define the syntax of a program
What does the exit() function do in a program?
What does the exit() function do in a program?
- Pauses the program until user input is received
- Loops back to the beginning of the program
- Terminates the program and indicates a termination status (correct)
- Transfers control back to the main function
What is a primary difference between exit() and break statements?
What is a primary difference between exit() and break statements?
- Break can transfer control to any function while exit() cannot
- Exit() transfers control out of a program while break transfers control out of loops (correct)
- Break terminates the program completely while exit() only exits a loop
- Exit() is used within loops while break is not
Which statement about the goto statement is correct?
Which statement about the goto statement is correct?
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What does a non-zero status indicate when using the exit() function?
What does a non-zero status indicate when using the exit() function?
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Study Notes
Jump Statements
- Jump statements alter the normal sequence of a program's execution by transferring control to a different location.
- They are used to control the flow of a program, enabling you to skip certain parts or repeat sections.
- A jump statement is also called an unconditional control statement because it causes the program to jump without checking any conditions.
The Goto Statement
- The
gotostatement is a jump statement used to transfer program control directly to a labeled statement. - Syntax:
goto label;wherelabelis an identifier that represents the destination label statement. - The
gotostatement can be used for both forward and backward jumps.
The Exit() Function
- The
exit()function is used to terminate a program at any point in its execution. - Syntax:
exit(status);wherestatusindicates the program's termination status. - A status of
0means the program terminated normally. - A non-zero status indicates an abnormal termination, usually due to errors.
- The
exit()function is declared in thestdlib.hheader file.
The break Statement
- The
breakstatement is used to exit a loop prematurely. - Unlike
exit(), which terminates the entire program,breakonly exits the current loop. breakis typically used when a specific condition is met within a loop.
Difference Between exit() and break
exit()terminates the entire program, whilebreakonly exits the current loop.exit()is used to transfer control completely out of the program, whilebreaktransfers control out of the loop or switch statement.
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