Questions that have appeared at apple for a Software Engineer (Technical) interview.

1. Data Structures and Algorithms

Question: Can you explain the difference between a stack and a queue?

Question: How would you go about finding the shortest path in a graph?

Question: What are some common use cases for hash maps?

2. System Design

Question: How would you design a scalable system for a social media platform?

Question: Can you explain the concept of sharding in databases and why it is used?

Question: How would you approach designing a system that handles millions of requests per second?

3. Operating Systems

Question: Can you explain the differences between processes and threads?

Question: What do you understand by deadlock and how can it be prevented?

Question: How does virtual memory work in an operating system?

4. Networking

Question: Can you describe the differences between TCP and UDP?

Question: What is the role of routers in a computer network?

Question: Can you explain the concept of DNS and how it works?

5. Software Development Life Cycle (SDLC)

Question: Can you explain the different stages of the software development life cycle?

Question: What methodologies have you used in the SDLC and why?

Question: How do you ensure quality and reliability in the software development process?

6. Software Testing

Question: Can you explain the difference between white box and black box testing?

Question: What are the different levels of software testing?

Question: How do you ensure that your code is thoroughly tested before deployment?

7. Databases

Question: Can you explain the differences between SQL and NoSQL databases?

Question: How would you design a database schema for an e-commerce platform?

Question: What is database normalization and why is it important?

8. Computer Architecture

Question: Can you explain the concept of pipelining in computer architecture?

Question: What is the role of a cache memory in a computer system?

Question: How does a computer processor handle multiple tasks simultaneously?

9. Cloud Computing

Question: Can you explain the differences between IaaS, PaaS, and SaaS in cloud computing?

Question: What are the advantages and drawbacks of using a cloud-based infrastructure?

Question: How would you ensure data security and privacy in cloud computing?

10. Software Engineering Principles

Question: Can you describe the SOLID principles in software engineering?

Question: What is the role of design patterns in software development?

Question: How do you balance between code optimization and code readability?