IT Essentials 7.0 Chapter 3.1

When a dual core CPU with Hyper-Threading features is installed on a motherboard, how many instructions can the CPU simultaneously process?

• 2

• 4

• 6

• 8

• 100

Which specialized computer component would be most important for a workstation built for audio and video editing?

• a specialized video card

• a high speed wireless adapter

• a liquid CPU cooling system

• a TV tuner card

A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?

• It issues a number of short beeps.

• The LED on the front of the computer case flashes a number of times.

• It places an error message in the BIOS.

• It locks the keyboard.

What is a function of the BIOS?

• enables a computer to connect to a network

• provides temporary data storage for the CPU

• performs a check on all internal components

• provides graphic capabilities for games and applications

A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?

• before the computer is powered on

• during the Windows load process

• during the POST

• after the POST, but before Windows starts to load

Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?

• FireWire

• DVI

• HDMI

• USB

• VGA

Which is a BIOS security feature that can prevent data from being read from a hard drive even if the hard drive is moved to another computer?

• drive encryption

• RAID

• secure boot

• BIOS passwords

What data is stored in the CMOS memory chip?

• BIOS settings

• Windows configuration settings

• user login information

• device drivers

What is the purpose of LoJack?

• It allows the owner of a device to remotely locate, lock, or delete all files from the device.

• It ensures that a computer will only boot an operating system that is trusted by the motherboard manufacturer.

• It provides passwords for different levels of access to the BIOS.

• It encrypts data on hard drives to prevent access without the correct password.

What is one purpose of adjusting the clock speed within the BIOS configuration settings?

• to allow a computer to run multiple operating systems in files or partitions

• to change the order of the bootable partitions

• to disable devices that are not needed or used by the computer

• to allow the computer to run slower and cooler