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A+ > Chapter 6: BIOS > Flashcards

Chapter 6: BIOS Flashcards

1
Q

BIOS

A

basic input/output services - support programming that enables the CPU to communicate with devices

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2
Q

beep code

A

a non-graphical way the computer tells you if a problem happened during POST

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3
Q

bootable disk

A

a device with a functional operating system - also called a system disk

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4
Q

boot sequence

A

the order in which devices are checked for an operating system when the system is powered on

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5
Q

bootstrap loader

A

a few lines at the end of the POST program that tells the PC where to find the operating system

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6
Q

chassis intrusion detection/notification

A

a device that will let you know if someone has opened the case or not

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7
Q

flash ROM

A

ROM that is able to be updated through a process known as “flashing”

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8
Q

CMOS clear

A

a jumper on the motherboard that is used to clear CMOS settings

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9
Q

CMOS setup program

A

a program on the system ROM that allows you to access and change CMOS data - also called system setup utility

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10
Q

read-only memory (ROM)

A

ROM chips are not volatile and traditionally, once they’re written, it’s permanent

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11
Q

device driver

A

files stored on the hard drive that contain the commands necessary to use a certain device

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12
Q

DriveLock

A

protects hard drives from unwanted access in the event of a lost or stolen system

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13
Q

Southbridge

A

deals with mainly lower-speed devices such as USB and hard drive controllers

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14
Q

firmware upgrade

A

updating the BIOS

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15
Q

system ROM

A

a flash ROM chip that contains code that allows the CPU to communicate with the devices on the PC

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16
Q

installation disc

A

an optical disc that can contain drivers for a specific device

17
Q

LoJack

A

enables you to track location, install keylogger, or remotely shut down a stolen machine

18
Q

option ROM

A

allows devices to have their own BIOS stored on the device itself

19
Q

Registry

A

a database in Windows that has information on everything about the system

20
Q

Secure Boot

A

a UEFI tool that secures the boot process by requiring software to be signed - requires an Intel CPU, a UEFI BIOS, and a compatible OS

21
Q

POST card

A

testing devices that help diagnose problems during POST

22
Q

power good

A

a signal sent after the power supply checks voltage levels to awaken the CPU

23
Q

POST

A

power-on self test - a program on the system ROM that is initiated when the computer boots up - tells each device in the PC to check itself

24
Q

preboot execution environment

A

enables a PC to boot without local storage by retrieving an OS from a network

25
Q

system disk

A

a device with a functional operating system - also called a bootable disk

A+ (6 decks)

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