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CSC 150
Chapter 4
| Term | Definition |
|---|---|
| Control structure | It controls the flow of execution in a program or function |
| Kinds of control structure to control execution | Sequence, selection and repeptition |
| function of selection control structure | It chooses which alternate to choose |
| Different operators | AND operator (&&), or operator (||) and NOT operator (!) |
| Operator precedence | An operator precedence determines its value of evaluation |
| Decision steps in Algorithm | Algorithm steps that selects from a choice of actions are called Decision steps |
| Steps in program development | 1. Problem identification 2. Analysis 3. Design 4. Implementation 5. Testing 6. Maintenance |
| Explain about Problem identification | Need to find what the real problem is and the solution to the problem. Required things are selected and eliminate the unimportant aspects. |
| Analysis | Identifying the problems i.e. a> input ( the data you have to work with) b> output ( the desired output) c> any additional requirement or constraints on the solution d> Formulas |
| Design | This is the step in which problem is solved by making lists of steps called an Algorithm. |
| Implementation | It is a step of writing program in computer language from Algorithm. |
| Testing | It refers to the step in which program is tested many times to check if the program is well enough to provide you with correct answer. |
| Maintenance | Maintenance and updating the program involves modifying a program to remove previously undetected errors. |
| Controlling expression | The Controlling expression is an expression with a value of type int or type char, is evaluated and compared to each of the case labels in the label sets until a match is found. |
| Label set | A label set is made of one or more labels of the form case followed by a constant value and a colon. |
| Types of statement | while, for and do-while |
| Loop | Repetition of steps in a program is called Loop. |
| Counting Loop | Its repetition is managed by a loop control variable whose value repeats a count. |
| Special assignment operator in C | + - * / % |
| Compound assignment operator in C | += -= /= %= |
| What are the steps involved in for loop? | 1. initialization 2. repetition 3. update |
| Incremental operator for 1 | ++ |
| Decremented operator for 1 | -- |
| Logic error | In programming, a logic error is a bug in a program that causes it to operate incorrectly, but not to terminate abnormally (or crash). The program runs and produces the output, but is incorrect. |
| Syntax error | A error that occurs when a program cannot understand the command that has been entered. A program doesn't execute until and unless al syntax errors are corrected. |
Created by:
milankc1991
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