B Tech Final year Student

B Tech Final year Student Interview Questions and Answers

Updated 3 Dec 2021

Q1. Why we use In array start with index 1

Ans.

In array start with index 1 for easier understanding and compatibility with mathematical notation.

  • Starting with 1 is more intuitive for humans who are used to counting from 1.

  • It is also more compatible with mathematical notation where the first element is denoted as a[1].

  • Some programming languages like MATLAB and Lua also use 1-based indexing.

  • However, most programming languages use 0-based indexing which can lead to off-by-one errors.

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