Start task A Test 1 false Test 1 false task D true true task B task C End

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Give the equivalent pseudo code for the algorithm presented by the flow chart.
### Flowchart Explanation

The flowchart depicted outlines a series of tasks and decision points. Here is a detailed description of each element and the flow of the process:

1. **Start**: The process begins here.

2. **Task A**: The first task in the process. It is represented by a rectangular box.

3. **Decision - Test 1**: A decision point follows Task A, represented by a diamond shape. This decision point checks a condition referred to as “Test 1”.

4. **True Branch (Right Branch from Test 1)**:
    - **Task B**: If Test 1 evaluates to true, Task B is executed. This is followed by reaching the **End** of the process.

5. **False Branch (Downward Branch from Test 1)**:
    - **Decision - Test 1**: A second check for the same condition, Test 1, is made.
    
6. **True Branch (Right Branch from Second Test 1)**:
    - **Task C**: If this secondary Test 1 evaluates to true, Task C is executed, leading directly to the **End** of the process.

7. **False Branch (Downward Branch from Second Test 1)**:
    - **Task D**: If Test 1 (second check) evaluates to false, Task D is executed. After completing Task D, the flow loops back and re-evaluates the first Test 1.

8. **End**: The process concludes here.

This flowchart provides a visual representation of a logical progression of tasks based on conditional tests. It allows for efficient decision-making and ensures that specific tasks are carried out based on the results of condition checks within a system or process.
Transcribed Image Text:### Flowchart Explanation The flowchart depicted outlines a series of tasks and decision points. Here is a detailed description of each element and the flow of the process: 1. **Start**: The process begins here. 2. **Task A**: The first task in the process. It is represented by a rectangular box. 3. **Decision - Test 1**: A decision point follows Task A, represented by a diamond shape. This decision point checks a condition referred to as “Test 1”. 4. **True Branch (Right Branch from Test 1)**: - **Task B**: If Test 1 evaluates to true, Task B is executed. This is followed by reaching the **End** of the process. 5. **False Branch (Downward Branch from Test 1)**: - **Decision - Test 1**: A second check for the same condition, Test 1, is made. 6. **True Branch (Right Branch from Second Test 1)**: - **Task C**: If this secondary Test 1 evaluates to true, Task C is executed, leading directly to the **End** of the process. 7. **False Branch (Downward Branch from Second Test 1)**: - **Task D**: If Test 1 (second check) evaluates to false, Task D is executed. After completing Task D, the flow loops back and re-evaluates the first Test 1. 8. **End**: The process concludes here. This flowchart provides a visual representation of a logical progression of tasks based on conditional tests. It allows for efficient decision-making and ensures that specific tasks are carried out based on the results of condition checks within a system or process.
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