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CompTIA 901 core processing > BIOS > Flashcards

Flashcards in BIOS Deck (22)
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1
Q

What does BIOS stand for?

A

Basic input output service

2
Q

What is BIOS?

A

Programming built into the motherboard itself that allows you to speak to the pieces of hardware for your computer. Stored on a read only memory chip.

3
Q

What is the CMOS?

A

Stores small changeable memory

4
Q

What does POST stand for?

A

Power on self test

5
Q

What does the POST do?

A

Checks to make sure everything is working when your computer turns on.

6
Q

What is the system setup or CMOS?

A

Stores the changeable aspects of BIOS.

7
Q

What are the 3 parts of BIOS?

A

System bios (stored on a rom chip), power on self test, and system setup?

8
Q

What happens when you turn on the computer?

A

The power supply gives power to all of the components of the computer

9
Q

What is the power-good wire?

A

A wire that runs from the power supply to the cpu, getting the cup started when a certain number of volts is reached.

10
Q

When are beep codes used?

A

Used during post before video is tested or for when there is no video output. Or when your computer doesn’t see any RAM

11
Q

What do you use when you power on your computer but nothing happens?

A

A POST card

12
Q

What does a post card do?

A

Outputs a 2 digit code read out.

13
Q

Who are the three makers of bios?

A

Phoenix, award, American mega trends.

14
Q

What two passwords can be set up in the system set up?

A

User and supervisor

15
Q

When does the supervisor password come up?

A

any time someone tries to get into the system setup

16
Q

What is the user password for in the system setup

A

Anytime someone boots the computer

17
Q

What are some things you can do in the system set up?

A

Set supervisor and user password, set boot order.

18
Q

What doe the CMOS jumpers do?

A

Completely resets the CMOS to basic settings

19
Q

What is the job of the battery?

A

To keep the clock ticking when the system is not plugged in or shut down.

20
Q

What are the two things you can do to mess up the bios?

A

Messing up the system settings, and updating the bios

21
Q

What is flashing the bios?

A

Taking the info on your bios chip and writing new code.

22
Q

What could happen if you flash the bios incorrectly?

A

You are going to need a new motherboard