Class XI Computer Science Chapter 4: Elements of Data Processing Exercise Questions

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What is the first main step in the preparation of a computer program?

Analyzing the problem
Debugging and testing
Coding
Defining the program (correct)

Which of the following is NOT a property of an algorithm?

Definite
Probabilistic (correct)
Finite
Precise

Which step involves creating a visual representation of the algorithm's logic using symbols and arrows?

Debugging and testing
Analyzing the Problem
Flowcharting (correct)
Coding

What is the purpose of the 'Processing the Problem' step in the preparation of a computer program?

To execute the coded program and process input data (C) Signup and view all the answers

Which of the following is the last main step in the preparation of a computer program?

Final Output (B) Signup and view all the answers

What is the purpose of the 'Debugging and Testing' step in the preparation of a computer program?

To identify and fix errors in the code and ensure the program functions correctly (B) Signup and view all the answers

What symbol in a flowchart represents a decision point where the flow branches based on a condition?

Diamond (A) Signup and view all the answers

Which symbol in a flowchart is used for connecting different parts of the flowchart that may be on different pages or sections?

Circle (A) Signup and view all the answers

What is the main purpose of debugging in software development?

Identifying and fixing specific issues or errors in the code (B) Signup and view all the answers

Which method helps in discovering possible issues before an application goes live?

Manual Testing (B) Signup and view all the answers

What does a parallelogram symbol represent in a flowchart?

Data entry or output (A) Signup and view all the answers

In software development, what does Automation Testing primarily focus on?

Automating the debugging process (D) Signup and view all the answers

Which of the following is NOT a characteristic of an algorithm?

Ambiguity (A) Signup and view all the answers

What is the primary purpose of a flowchart?

To visually represent the sequence of steps and decision points (A) Signup and view all the answers

Which of the following symbols is used to represent a decision point or branching in a flowchart?

Diamond (B) Signup and view all the answers

What is the significance of the 'Efficiency' characteristic of an algorithm?

It refers to the algorithm's ability to achieve its objectives using minimal resources (D) Signup and view all the answers

Which of the following statements about the 'Completeness' characteristic of an algorithm is correct?

It guarantees that the algorithm produces a result for every valid input within its problem domain (B) Signup and view all the answers

Which of the following flowchart symbols is typically used to represent the start or end of a process?

Oval (D) Signup and view all the answers