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CompTIA A+ (220-1001) Section 6

BIOS programs that enable hardware to function are called what?

POST

Services

CMOS

Device drivers

Which is found in BIOS?

Good power wire

CMOS battery

Services

Real-time clock

What is the primary purpose of POST?

It is an add-on card to test the computer.

It applies power to the CPU.

It enables hardware to function before the OS boots.

It performs diagnostic tests before booting the operating system.

For which failures would you expect POST to issue beep codes?

Video Card

Missing keyboard

No printer found

No CPU Installed

No network connected

How would a technician start the system setup program?

Touch the system setup button on the front panel of the computer.

Press a certain key before the computer boots the operating system.

Turn off the power switch and unplug the computer. Then plug in he computer and press the power switch to automatically start the setup program.

Enter the administrator password during bootup.

To prevent random people from booting the OS, a technician should do what?

Set a user password.

Set an administrator password.

Flash the BIOS chip.

Remove the CMOS battery.

Which is more likely to cause a computer's reported time to fall behind?

Earth is spinning more slowly.

The computer was not programmed to recognize leap year.

The CMOS battery is weak or failing.

The wall voltage is too low.

Which battery provides power to the RTC and CMOS chip?

CR3022

CR2032

AA Battery

9 Volt Battery

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