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C++ Control Structures - 3 Video Lecture | Crash Course for EmSAT Achieve
FAQs on C++ Control Structures - 3 Video Lecture - Crash Course for EmSAT Achieve
| 1. What are control structures in programming? |  |
Ans. Control structures in programming are constructs that determine the flow of execution within a program. They allow programmers to control the order in which statements are executed based on certain conditions or criteria.
| 2. What are the three main types of control structures? | |
Ans. The three main types of control structures are:
- Sequential control structure: This structure allows statements to be executed one after another in a specific order.
- Selection control structure: This structure allows the program to make decisions and choose between different paths of execution based on certain conditions.
- Iteration control structure: This structure allows the program to repeat a set of statements multiple times based on certain conditions.
| 3. How can control structures help in improving the efficiency of a program? | |
Ans. Control structures can help improve the efficiency of a program by providing ways to optimize the execution flow. For example, using selection control structures, unnecessary computations can be avoided by skipping certain statements based on conditions. Similarly, iteration control structures allow repetitive tasks to be automated, reducing the need for redundant code.
| 4. What is the difference between if-else and switch statements in control structures? | |
Ans. The if-else statement is a selection control structure that allows the program to evaluate a condition and execute a set of statements if the condition is true, otherwise it executes a different set of statements. On the other hand, the switch statement allows the program to select one of many possible paths of execution based on the value of an expression.
| 5. Can control structures be nested within each other? | |
Ans. Yes, control structures can be nested within each other. This means that one control structure can be placed inside another control structure. For example, an if statement can be placed inside a loop, or a switch statement can be placed inside another switch statement. Nesting control structures allows for more complex and flexible program logic.
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Dec 26, 2024 Last updated |
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