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Questions and Answers
What is an algorithm?
What is an algorithm?
A finite sequence of steps written in simple English language that enables a particular task to be accomplished.
Which of the following is NOT a necessary characteristic of an algorithm?
Which of the following is NOT a necessary characteristic of an algorithm?
An algorithm must begin with a ______ and end with a ______.
An algorithm must begin with a ______ and end with a ______.
START, STOP
An algorithm can be executed infinitely without termination.
An algorithm can be executed infinitely without termination.
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What are the two common forms of expressing an algorithm?
What are the two common forms of expressing an algorithm?
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Which of the following symbols is commonly used to draw a flowchart?
Which of the following symbols is commonly used to draw a flowchart?
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What is the purpose of a flowchart?
What is the purpose of a flowchart?
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Study Notes
Concept of Algorithm, Flowchart, and Languages
- Algorithms are finite sequences of steps that enable tasks to be accomplished when followed properly.
- A well-defined algorithm includes inputs supplied by the user, outputs produced, and clear, unambiguous instructions.
- An algorithm must terminate after a finite number of steps and should not repeat instructions infinitely.
Importance of Algorithms and Flowcharts
- Essential for problem-solving in programming as they provide a clear plan of action before coding.
- Helps prevent mistakes by ensuring the sequence and completeness of instructions.
- Flowcharts visually represent algorithms, making it easier to understand and communicate the logic behind the steps.
Characteristics of Algorithms
- Input: Must accept external quantities.
- Output: At least one output quantity must be produced.
- Definite: All instructions must be clear and unambiguous.
- Finite: Execution must eventually lead to an end after a limited number of steps.
- Effective: Instructions should be basic and easily executable.
- Feasible: Every operation must be practical alongside being definite.
Rules for Writing Algorithms
- START - STOP: Indicate the beginning with START and the end with STOP.
-
Input - Output: Input is indicated with READ and output with WRITE. For example:
- To input two numbers, use
READ A, B. - To output the result, use
WRITE C.
- To input two numbers, use
Flowchart Symbols
- Various symbols are used in flowcharts to represent different types of actions or steps, improving clarity in representation.
Generation of Computer Languages
- Computer languages are categorized into high-level and low-level languages.
- High-level languages are more abstract and user-friendly, while low-level languages are closer to machine code.
Translators
- Translators convert high-level programming languages into machine code that a computer can execute.
Editors
- Editors are software tools used for writing and editing code, with various features to enhance programming efficiency. Detailed understanding of a specific editor is crucial for effective programming.
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Description
This quiz covers Unit 01 of the BCA Semester 01 course, focusing on the foundational concepts of algorithms, flowcharts, and programming languages. Test your understanding of these essential topics crucial for mastering programming fundamentals using C.
