CS - Chapter 3 Review Question Preview (ID: 48351)


Review Chapter 3 Computer Servicing Material. TEACHERS: click here for quick copy question ID numbers.

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?
a) It issues a number of short beeps.
b) The LED on the front of the computer case flashes a number of times.
c) It places an error message in the BIOS.
d) It locks the keyboard.

What is a function of the BIOS?
a) enables a computer to connect to a network
b) provides temporary data storage for the CPU
c) performs a check on all internal components
d) 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?
a) before the computer is powered on
b) during the Windows load process
c) during the POST
d) after the POST, but before Windows starts to load

Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
a) brownout
b) surge
c) spike
d) blackout

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?
a) DVI
b) HDMI
c) USB
d) VGA

What is indicated by the contrast ratio of a monitor?
a) the difference in the intensity of light between the brightest white and darkest black that can be displayed
b) how often the picture image is refreshed
c) the total number of pixels that make up the picture
d) the ratio of the horizontal and vertical viewing areas of the monitor

What electrical unit refers to the number of electrons moving through a circuit per second?
a) current
b) voltage
c) resistance
d) power

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?
a) drive encryption
b) BIOS
c) secure boot
d) BIOS passwords

What data is stored in the CMOS memory chip?
a) Windows configuration settings
b) user login information
c) device drivers
d) BIOS settings

What is one purpose of adjusting the clock speed within the BIOS configuration settings?
a) to allow a computer to run multiple operating systems in files or partitions
b) to change the order of the bootable partitions
c) to disable devices that are not needed or used by the computer
d) to allow the computer to run slower and cooler

A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and more energy efficiency?
a) a 7200 RPM EIDE hard drive
b) a 7200 RPM SATA hard drive
c) a 10,000 RPM SATA hard drive
d) an SSD

A user reports that every morning when a particular computer is turned on, the configuration settings on that computer have to be reset. What action should be taken to remedy this situation?
a) Replace the motherboard.
b) Replace the CMOS battery.
c) Move the jumpers.
d) Upgrade the BIOS.

Sudden increase in voltage that lasts for a short period of time and exceeds 100 percent of normal voltage
a) Blackout
b) Spike
c) Brownout
d) Surge

This type of display uses passive or active matrix to control the crystals.
a) LCD
b) LED
c) DLP
d) Plasma

Which specialized computer component would be most important for a workstation built for audio and video editing?
a) a high speed wireless adapter
b) a specialized video card
c) a liquid CPU cooling system
d) a TV tuner card

Which website should a technician consult to find instructions for updating the BIOS on a computer?
a) CPU manufacturer
b) case manufacturer
c) motherboard manufacturer
d) operating system developer

What is a settings that can be modified in the BIOS setup program?
a) drive partition size
b) enabling and disabling devices
c) device drivers
d) video resolution

When the monitor uses two passes to draw the image on the screen this is called:
a) interlaced
b) non-interlaced
c) aspect ratio
d) contrast ratio

The number of pixels that a monitor has is its:
a) native resolution
b) aspect ratio
c) contrast ratio
d) interlace

A network administrator is setting up a web server for a small advertising office and is concerned with data availability. The administrator wishes to implement disk fault tolerance using the minimum number of disks required. Which RAID level should
a) RAID 0
b) RAID 1
c) RAID 5
d) RAID 10

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