# Chapter 1- Review Of Pseudocode And Flowchart

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Questions: 15 | Attempts: 412  Settings  • 1.

### ________________________ is the process of transforming the description of a problem into possible solutions

Explanation
Problem solving is the process of transforming the description of a problem into possible solutions. This involves analyzing the problem, identifying potential solutions, evaluating those solutions, and selecting the best one. It requires critical thinking, creativity, and decision-making skills to effectively solve problems and find the most suitable solutions. Problem solving is a fundamental skill that is applicable in various contexts, including personal, academic, and professional settings.

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• 2.

### _____________________________ and ______________________________ are the two approaches of problem solving

Explanation
Analytical and algorithm are the two approaches of problem solving. The analytical approach involves examining and understanding the problem thoroughly, breaking it down into smaller components, and analyzing each component to find a solution. On the other hand, the algorithmic approach involves designing a step-by-step procedure or set of instructions to solve the problem systematically. Both approaches are essential in problem solving as they provide different perspectives and tools to tackle various types of problems effectively.

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• 3.

### _____________________ is a set of detailed,_______________________ and ordered ____________________.

Explanation
The correct answer is "unambiguous, instructions." This means that the set being referred to is clear and specific, leaving no room for confusion or different interpretations. It is also ordered, meaning that the instructions are arranged in a logical and sequential manner.

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• 4.

### Flowcharts is a graph used to depict or show a step by step solution using _______________which represent a task.

Explanation
Flowcharts are used to visually represent a step-by-step solution or process. The graph consists of symbols that represent different tasks or actions. These symbols help to illustrate the flow of information or actions in a clear and concise manner. By using symbols, flowcharts can effectively communicate complex processes or algorithms in a simplified and easy-to-understand format.

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• 5.

### _____________________ and ___________________________ are the popular ways to represent algorithms

Explanation
Flowchart and pseudocodes are popular ways to represent algorithms because they provide visual and textual representations, respectively, of the step-by-step process of solving a problem. Flowcharts use different symbols to represent different actions and decisions, making it easier to understand the flow of the algorithm. Pseudocodes, on the other hand, use a combination of natural language and programming language-like syntax to describe the algorithm in a more detailed and structured manner. Both methods allow for clear and concise communication of the algorithm's logic and can be easily understood by both technical and non-technical individuals.

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• 6.

### It is not a must to draw a flowchart before writing a program

• A.

True

• B.

False

B. False
Explanation
Drawing a flowchart before writing a program is not mandatory, but it is highly recommended. A flowchart helps in visualizing the logical flow of a program, making it easier to understand and debug. It allows the programmer to plan and organize the program's structure, ensuring that all necessary steps are included and in the correct order. Additionally, a flowchart can be a useful tool for communication and collaboration with other programmers or stakeholders involved in the project. Therefore, while it is not a requirement, drawing a flowchart before writing a program can greatly improve the development process.

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• 7.

### An algorithms should have a finite number of steps

• A.

True

• B.

False

A. True
Explanation
An algorithm should have a finite number of steps because it needs to be able to terminate and produce a result within a reasonable amount of time. If an algorithm had an infinite number of steps, it would never be able to complete and provide an output. Additionally, a finite number of steps allows for easier analysis and understanding of the algorithm's complexity and efficiency.

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• 8.

### Algorithmic approach is mostly used by scientists.

• A.

True

• B.

False

B. False
Explanation
The given statement is "Algorithmic approach is mostly used by scientists." The correct answer is "False." This means that the statement is not true. The explanation for this is that while scientists do use algorithmic approaches in their work, it is not exclusive to them. Algorithmic approaches are widely used in various fields such as computer science, mathematics, engineering, and even in everyday problem-solving. Therefore, it is incorrect to say that algorithmic approaches are mostly used by scientists.

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• 9.

### Sequencing, branching and iterations are the three fundamental control sturcutres

• A.

True

• B.

False

A. True
Explanation
The given statement is true. Sequencing, branching, and iterations are indeed the three fundamental control structures in programming. Sequencing refers to the execution of statements in a specific order. Branching allows the program to make decisions and choose different paths based on certain conditions. Iterations involve repeating a set of statements multiple times. These three control structures are essential for controlling the flow of a program and determining its behavior.

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• 10.

### Understanding the flowchart is easier than understanding a pseudocode

• A.

True

• B.

False

B. False
Explanation
The statement suggests that understanding the flowchart is not easier than understanding a pseudocode. This implies that understanding a pseudocode may be easier or at least equally as easy as understanding a flowchart. Therefore, the correct answer is False.

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• 11.

• 12.

• 13.

• 14.

• 15.

### Give the pseudocode for finding out the volume of a rectangle. Volume of a rectangle = length X breath X height

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