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CS 241 - OS Technology Concepts: BIOS Basics

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CS 241 - OS Technology Concepts: BIOS Basics

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Questions and Answers

What does the acronym BIOS stand for?

Binary Interpreter for Operating Systems
Basic Input/Output System (correct)
Booting Integrated Operating Software
Bootloader Interfacing with Operating Systems

What is the primary function of the BIOS during the boot process?

Compiling and linking application programs for execution
Configuring network settings and establishing internet connectivity
Loading the operating system into main memory (correct)
Performing anti-virus scans on system files

What type of memory is the BIOS typically stored in?

Electrically-erasable Programmable ROM (EEPROM) (correct)
Read-Only Memory (ROM)
Hard Disk Drive (HDD)
Random Access Memory (RAM)

What is the role of the BIOS after the operating system has been loaded?

It manages data flow between the OS and devices (C) Signup and view all the answers

Which technology has replaced BIOS in modern computers?

Unified Extensible Firmware Interface (UEFI) (C) Signup and view all the answers

What is the purpose of the Power-On Self Test (POST) process during boot?

It bridges various parts of the PC and initializes hardware (C) Signup and view all the answers

What is the primary role of the Master Boot Record (MBR)?

To provide an index of up to four partitions on the disk (A) Signup and view all the answers

What is the primary difference between BIOS and UEFI in the boot process?

BIOS reads the first sector of the hard drive, while UEFI reads an .efi file from the EFI System Partition (C) Signup and view all the answers

Which of the following is a type of bootloader?

NTLDR (A) Signup and view all the answers

What is the primary difference between basic and dynamic disks in terms of partition management?

Basic disks use a partition table, while dynamic disks use a hidden logical disk manager (LDM) or virtual disk service (VDS) (D) Signup and view all the answers

What is the purpose of the EFI System Partition (ESP) in UEFI systems?

To store the bootloader programs for the installed operating system (C) Signup and view all the answers

What is the primary advantage of UEFI over BIOS?

UEFI supports more advanced hardware and features than BIOS (B) Signup and view all the answers