Introduction to Problem Solving
Karnataka Board · Class 11 · Computer Science
Flashcards for Introduction to Problem Solving — Karnataka Board Class 11 Computer Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is an algorithm?
Answer
An algorithm is a finite sequence of precise, step-by-step instructions designed to solve a problem or accomplish a task. It has a definite beginning and end, and when followed correctly, leads to the…
List the five main characteristics of a good algorithm.
Answer
1. Precision - steps are precisely stated 2. Uniqueness - results are uniquely defined 3. Finiteness - stops after finite steps 4. Input - receives some input 5. Output - produces some output…
What are the four key steps in problem solving using computers?
Answer
1. Analysing the problem - understanding what needs to be solved 2. Developing an Algorithm - creating step-by-step solution 3. Coding - converting algorithm to programming language 4. Testing and Deb…
What does GIGO stand for and what does it mean?
Answer
GIGO stands for 'Garbage In Garbage Out'. It means that the correctness of the output that a computer gives depends upon the correctness of input provided. If incorrect input is given, the output will…
What are the two common methods of representing algorithms?
Answer
1. Flowchart - Visual representation using standardized symbols and arrows 2. Pseudocode - Text-based representation using natural language-like statements with programming keywords…
Draw and explain the five basic flowchart symbols.
Answer
1. Oval - Start/End (Terminator) 2. Rectangle - Process/Action 3. Diamond - Decision (Yes/No questions) 4. Parallelogram - Input/Output (Data) 5. Arrow - Flow direction/Connector…
Write a pseudocode to find the square of a number.
Answer
INPUT number COMPUTE square = number * number PRINT square…
What are the three types of flow of control in algorithms?
Answer
1. Sequence - statements executed one after another 2. Selection - conditional execution using if-else statements 3. Repetition - repeated execution using loops (while, for)…
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Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
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