Sparrow Interactive Interview Questions and Answers

Undo/Redo feature can be created by maintaining a stack of previous actions and their reverse actions.

• Maintain a stack of previous actions and their reverse actions

• Push the action onto the stack when it is performed

• When undo is requested, pop the last action from the stack and perform its reverse action

• When redo is requested, pop the last reverse action from the stack and perform the original action

• Ensure that the stack is cleared when a new action is performed after undoing ...read more

Design discussion with group involves sharing ideas and collaborating to create a functional and efficient solution.

• Discuss project goals and requirements

• Brainstorm ideas and potential solutions

• Evaluate feasibility and potential challenges

• Collaborate to create a design that meets project goals

• Refine and iterate design as necessary

Designing batteries involves determining the required capacity, voltage, and chemistry, selecting appropriate materials, and optimizing the design for performance and safety.

• Determine required capacity, voltage, and chemistry based on application

• Select appropriate materials for electrodes, electrolyte, and casing

• Optimize design for performance and safety, considering factors such as temperature, discharge rate, and cycle life

• Consider environmental impact and end-of-life dispo...read more

Connected sum problem involves finding the number of connected components in a graph

• The problem can be solved using DFS or BFS algorithm

• The input graph can be represented using adjacency list or matrix

• The output is the number of connected components in the graph

As a Test Analyst, my previous responsibilities included creating test plans, executing test cases, identifying defects, and collaborating with developers.

• Creating test plans based on project requirements

• Executing test cases to ensure software functionality

• Identifying and documenting defects found during testing

• Collaborating with developers to resolve issues

• Participating in test automation efforts

Software Testing LifeCycle is a process of planning, designing, executing, and reporting on tests throughout the software development lifecycle.

• STLC involves phases like Requirement Analysis, Test Planning, Test Design, Test Execution, and Test Closure.

• Each phase has specific goals and deliverables to ensure the quality of the software.

• Example: In Requirement Analysis, testers review the requirements to understand the scope of testing.

• Example: In Test Execution, actual testin...read more