QUESTION 21 OF 30

Please describe a stack and the two operations it performs.

When the Coinbase interviewer asks you to describe something, you should immediately identify the question as being technical. When responding to a technical question, you first define the term or concept and then describe how it is used in the work you perform. If the interviewer asks you follow-up questions, they are expressing a strong interest in this topic, indicating that it is important to their operations. This is a signal for you to expand on your answer and give them more details than you normally would.

"A stack is a data structure that has several distinct characteristics. Stacks use a LIFO process, organizing the data as last in, first out. This differs from a queue, which processes data as first-in, first-out. The two operations a stack performs are push, which is the insertion of the data at the top of the stack, and pop, which is the removal of the last item added to the stack."

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Coinbase Software Engineer Mock Interview

Please describe a stack and the two operations it performs.

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