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CS - Chapter 3 Review
Test Description: Review Chapter 3 Computer Servicing material
Instructions: Answer all questions to get your test result.
1) 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 places an error message in the BIOS.
B
The LED on the front of the computer case flashes a number of times.
C
It locks the keyboard.
D
It issues a number of short beeps.
2) What is a function of the BIOS?
A
provides graphic capabilities for games and applications
B
performs a check on all internal components
C
enables a computer to connect to a network
D
provides temporary data storage for the CPU
3) 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
during the Windows load process
B
after the POST, but before Windows starts to load
C
during the POST
D
before the computer is powered on
4) Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
A
spike
B
blackout
C
surge
D
brownout
5) 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
VGA
C
HDMI
D
USB
6) What is indicated by the contrast ratio of a monitor?
A
the total number of pixels that make up the picture
B
the ratio of the horizontal and vertical viewing areas of the monitor
C
the difference in the intensity of light between the brightest white and darkest black that can be displayed
D
how often the picture image is refreshed
7) What electrical unit refers to the number of electrons moving through a circuit per second?
A
current
B
resistance
C
voltage
D
power
8) 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
BIOS passwords
B
secure boot
C
drive encryption
D
BIOS
9) What data is stored in the CMOS memory chip?
A
user login information
B
device drivers
C
BIOS settings
D
Windows configuration settings
10) What is one purpose of adjusting the clock speed within the BIOS configuration settings?
A
to allow the computer to run slower and cooler
B
to disable devices that are not needed or used by the computer
C
to change the order of the bootable partitions
D
to allow a computer to run multiple operating systems in files or partitions
11) 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
12) 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
Move the jumpers.
C
Replace the CMOS battery.
D
Upgrade the BIOS.
13) Sudden increase in voltage that lasts for a short period of time and exceeds 100 percent of normal voltage
A
Surge
B
Spike
C
Brownout
D
Blackout
14) This type of display uses passive or active matrix to control the crystals.
A
Plasma
B
DLP
C
LCD
D
LED
15) Which specialized computer component would be most important for a workstation built for audio and video editing?
A
a liquid CPU cooling system
B
a high speed wireless adapter
C
a specialized video card
D
a TV tuner card
16) Which website should a technician consult to find instructions for updating the BIOS on a computer?
A
CPU manufacturer
B
operating system developer
C
case manufacturer
D
motherboard manufacturer
17) What is a settings that can be modified in the BIOS setup program?
A
enabling and disabling devices
B
video resolution
C
device drivers
D
drive partition size
18) When the monitor uses two passes to draw the image on the screen this is called:
A
non-interlaced
B
aspect ratio
C
interlaced
D
contrast ratio
19) The number of pixels that a monitor has is its:
A
interlace
B
contrast ratio
C
aspect ratio
D
native resolution
20) 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 1
B
RAID 5
C
RAID 0
D
RAID 10
*select an answer for all questions
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