Introduction to Problem Solving — Important Questions
CBSE · Class 11 · Computer Science
45 important questions from Introduction to Problem Solving for CBSE Class 11 Computer Science, with answers. Includes multiple choice and multiple.
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Important Questions from Introduction to Problem Solving
Which of the following are characteristics of a good algorithm?
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Precision, Finiteness, Uniqueness, Input and Output
A good algorithm must be precise (clearly defined steps), finite (terminates after finite steps), unique (results are uniquely defined), and have input/output. Ambiguity is not a desirable characteristic.
Which of the following are valid representations of algorithms?
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Flowchart, Pseudocode, Natural language
Algorithms can be represented using flowcharts (visual), pseudocode (structured text), or natural language descriptions. Binary code is machine language, not algorithm representation.
In a flowchart, which symbol represents decision making?
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Diamond
The diamond shape is used for decision making in flowcharts. It represents a branching point where a yes/no or true/false question is asked.
What are the three main control structures in algorithms?
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Sequence, Selection, Repetition
The three main control structures are Sequence (step-by-step execution), Selection (decision making with if-else), and Repetition (loops for repeated execution).
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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