NEB Class 11 • Computer Science • Programming Concepts • Practice Set

Algorithms & Flowcharts Practice Set: NEB 11 Computer

Master Algorithms and Flowcharts through clear concepts, representations, a reliable answer method and exam-focused practice.

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Concepts · Worked reasoning · NEB practice

Quick answer: An algorithm is a finite, unambiguous procedure with inputs, outputs and termination; a flowchart visualizes control flow using standard symbols.

Worked practice

Build the result from meaning, not memory

An algorithm is a finite, unambiguous procedure with inputs, outputs and termination; a flowchart visualizes control flow using standard symbols.

Worked example

To find the larger of two numbers, read a,b; compare; output a if a≥b, otherwise b; then trace equal and negative inputs.

The governing relationship is Define problem→inputs/outputs→pseudocode→trace normal and boundary cases→draw flowchart→verify termination and correctness. Check the convention, geometry or boundary condition before calculation.

Independent practice ladder

  1. Define the key physical quantities and give their SI units.
  2. Draw and label the relevant wave, ray, mode or energy diagram.
  3. Recalculate the worked example after changing one input by a factor of two.
  4. Explain the result without equations.
  5. Create a Nepal-relevant situation such as a classroom speaker, musical pipe, optical slit or thermal machine.
  6. Compare two cases and predict the larger output before calculating.
  7. Find and repair one deliberately wrong sign, node or unit.
  8. Write a three-mark answer and a five-mark answer.

Answer protocol: diagram → known data → principle → symbolic equation → SI substitution → result → physical check. Drawing crossed or directionless arrows, omitting initialization, writing language-specific code instead of logic, or failing to test boundaries.

NEB answer method

Model → evidence → equation → check

First identify the system and what the question asks. Label the diagram, apparatus or reaction with SI quantities, then state the principle before selecting an equation. Solve symbolically where possible and check units, limiting cases and chemical or physical meaning.

StageQuestionEvidence
ModelWhat is idealised?Assumption stated
RepresentationWhich diagram fits?Labels or balanced equation
CalculationWhich relation follows?Symbols then SI values
EvaluationDoes it make sense?Unit, sign and trend check

Make the idea concrete in Nepal

Connect the model to a school laboratory, household technology, health, environment, energy or local material. The example should clarify the science rather than merely mention a place. Compare a prediction with an observation and record uncertainty.

Review the NEB Class 11 Computer Science revision roadmap and the complete Computer Science guide. For online or physical tuition, call 9846662070.

Questions students ask about Algorithms and Flowcharts

What is the central idea of Algorithms and Flowcharts?

An algorithm is a finite, unambiguous procedure with inputs, outputs and termination; a flowchart visualizes control flow using standard symbols.

Which equation should I remember?

Define problem→inputs/outputs→pseudocode→trace normal and boundary cases→draw flowchart→verify termination and correctness.

How should I begin a numerical?

Draw the situation, list known quantities in SI units, choose the governing relation symbolically, substitute once and finish with a unit and reasonableness check.

What is a common exam mistake?

Drawing crossed or directionless arrows, omitting initialization, writing language-specific code instead of logic, or failing to test boundaries.

How can I practise this topic?

Alternate one concept explanation, one diagram and two numericals. Revisit errors after a day instead of only rereading the solution.

Where can I get tuition support?

For online or physical KTM Tuition classes, call 9846662070. After Grade 12, the MKS Education panel below gives preparation and pre-counselling contacts.

Frequently asked questions

References and next steps

Scope checked against CDC Nepal; concept support from an institutional reference and OpenStax Science. Continue with the Algorithms and Flowcharts cluster.

NEB +2 tuition support

Ask about online or physical tuition

For focused Class 11 and Class 12 subject tuition, lesson clarification, worked-example practice and exam preparation, call 9846662070. Class mode, timetable, teacher availability and fees should be confirmed directly before enrolment.

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