WBCS.LIVE practice question

What is the full form of 'BIOS' in computer systems?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Binary Input Output System
  2. Basic Input Output System
  3. Board Input Output System
  4. Business Input Output System

Correct answer and explanation

Correct answer: Basic Input Output System

Explanation: āœ… Correct Answer: B) Basic Input Output System šŸ“š Explanation: BIOS is firmware stored on a small memory chip on the motherboard that initializes the computer's hardware during the booting process. It performs a Power-On Self-Test (POST) to ensure all components like the CPU and RAM are functioning correctly before loading the operating system. It acts as the critical intermediary between the computer hardware and the software.