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  "Excel Your Interview: Top 10 Must-Know Excel Questions" 1. What are the different data types in Excel? Text Number Date/Time Boolean (TRUE/FALSE) Error (e.g., #DIV/0! , #N/A ) 2. What is the difference between absolute, relative, and mixed cell references? Relative ( A1 ): Changes when copied. Absolute ( $A$1 ): Fixed reference. Mixed ( $A1 or A$1 ): Either row or column is fixed. 3. How do you use VLOOKUP and what are its limitations? Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup]) Limitations : Only looks to the right . Slower with large data. Breaks with column insertions. Replaced often by XLOOKUP or INDEX-MATCH . 4. What is the difference between VLOOKUP, HLOOKUP, INDEX-MATCH, and XLOOKUP? VLOOKUP : Vertical lookup (left to right). HLOOKUP : Horizontal lookup (top to bottom). INDEX-MATCH : More flexible, faster, can look left. X...

  Microsoft Copilot: Your AI Sidekick - A Beginner's Guide  Hey there! Ever wished you had a super-smart assistant to help you with, well, everything? Meet Microsoft Copilot, your new AI-powered buddy! Copilot is like that friend who's always got the right answer, helps you brainstorm ideas, and makes your life a whole lot easier. Launched in February 2023, this awesome tool is built on prompt engineering – basically, you give it instructions, and it gives you amazing results. Whether you need help writing emails, creating stunning visuals, or even planning your dream vacation, Copilot's got your back. Let's dive in and see what this AI marvel can do! What is Microsoft Copilot Anyway? So, what's the deal with Copilot? At its heart, Copilot is all about making your life simpler through AI. It uses something called large language models (LLMs). Think of LLMs as super-smart computers that have read tons of information and can understand what you're asking. ...