CompTIA A+ Certification Core 1 (220-1101) - What Is BIOS?

The video tutorial explores the role of motherboards in computer systems, emphasizing their function as an assumption for hardware connectivity. It delves into the concept of BIOS, explaining its importance in facilitating communication between the system and hardware before the operating system boots. The tutorial also covers the evolution of BIOS chips, their manufacturers, and modern features like backup systems. Additionally, it highlights BIOS functions such as POST and system setup, providing a comprehensive understanding of how BIOS supports hardware interaction.

What is the primary role of a motherboard in a computer system?

• To enhance graphics performance

• To store data permanently

• To connect and support various hardware components

• To provide internet connectivity

Why is BIOS important before the operating system boots?

• It enhances the speed of the computer

• It allows communication with hardware components

• It manages internet connections

• It provides a user interface for the computer

What is the difference between firmware and software?

• Firmware is burned onto a chip, software is stored on media

• Firmware is temporary, software is permanent

• Firmware is for graphics, software is for storage

• Firmware is for internet, software is for applications

Which companies are known for developing BIOS?

• Microsoft and Apple

• AMI and Phoenix

• Intel and AMD

• Google and Facebook

What is the purpose of having two BIOS chips on modern motherboards?

• To improve internet connectivity

• To provide a backup in case of corruption

• To enhance graphics performance

• To increase processing speed

What is the Power-On Self-Test (POST)?

• A graphics performance test

• A software update process

• A diagnostic test for hardware components

• A test for internet speed

What does CMOS stand for in the context of BIOS?

• Complementary Metal Oxide Semiconductor

• Centralized Media Output System

• Central Memory Operating System

• Computer Management Operating System