Friday, June 6, 2014

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Computer Fundamentals [CHAPTER 7]

Correct answers are marked in red.
1
Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)
The laptops consume more power.
The laptop CPUs are interchangeable with desktop CPUs.
The laptops are designed to produce less heat.
The laptops operate at higher clock speeds.
The laptops use smaller cooling devices.
2
In the power management settings, which two devices can be set to turn off to conserve battery power? (Choose two.)
cooling fans
memory
hard disk drive
display
CPU
3
What is the first step in the process of troubleshooting a laptop?
Verify full functionality.
Determine the exact cause.
Establish probable causes.
Identify the problem.
4
What is the final task for a technician after troubleshooting a laptop?
Verify full functionality.
Correct the problem.
Document the problem and the solution.
Implement preventive measures.
5
What can a user do to reconnect a laptop to a functioning wireless network after a laptop has been moved and the connection has been lost?
Reboot the operating system.
Plug in the power cord to the wall outlet.
Recharge the battery.
Change the orientation of the laptop.
6
Why are SODIMMs well suited for laptops?
They do not produce heat.
They have a small form factor.
They are interchangeable with desktops.
They connect to external ports.
7
An administrator tries to configure Power Options within Windows, but is unable to do so. What is the possible cause?
Thermal management has been enabled.
ACPI has not been enabled in the BIOS.
The administrator does not have user privileges to change the settings.
Wake-On-LAN has been enabled.
8
A technician is trying to remove a SODIMM module from a laptop. What is the correct way to do this?
Pull outward by holding the center of the SODIMM module.
Apply downward force on the SODIMM module.
Press outward on the clips that hold the sides of the SODIMM.
Desolder the SODIMM module.
9
What should a technician do prior to replacing a keyboard on a laptop?
Remove all sources of power from the laptop.
Remove the LCD screen.
Remove the outer casing of the laptop.
Remove the power inverter.
10
Which two internal expansion slots in laptops are commonly used to install wireless adapter cards? (Choose two.)
ISA
PCIe
Mini-PCIe
PCI
PCI Express Micro
11
What is the next step in the troubleshooting process after a solution has been implemented on a laptop?
Return the device to the customer.
Verify the solution.
Document the solution.
Ask the customer to explain the problem.
12
A technician notices that a laptop display appears stretched and pixelated. What is a probable cause of this?
The power inverter is failing.
The display properties are incorrectly set.
The screen has been burned in.
The power management features are incorrectly set.
One of the RAM modules is failing.
13
Which statement is true about laptops?
Most of the internal components that are designed for laptops cannot be used for desktops.
Laptop CPUs do not use cooling devices.
Laptops use fewer components than desktops use.
Laptop motherboards have standard form factors.
14
What is a definition for CPU throttling?
overclocking
upgrading the CPU without changing the motherboard
the sharing of processing between two or more cores
the ability to modify CPU clock speed as needed
15
What is the purpose of the eject button on a laptop docking station?
to open the CD/DVD tray
to detach the laptop from the docking station
to disconnect a USB device
to remove the laptop battery
16
Which key sequence may be used to control whether the content of the screen will be presented on a built-in display or on an external display?
Fn + 
Shift +
Ctrl +
Alt +
17
What would be the most effective preventive maintenance routine for company laptops that are subject to high use?
a reactive routine that is performed monthly
a proactive routine that is performed monthly and as needed
a proactive routine that is performed every six months
a reactive routine that is performed only as needed
18
To clean laptops, which two products are recommended? (Choose two.)
car wax
rubbing alcohol
cotton swabs
ammonia
mild cleaning solution
19
A technician has been asked to decide which laptop components should be cleaned on a monthly basis as part of a maintenance routine. What are two examples of components that should be included? (Choose two.)
CPU
hard disk platters and heads
exterior case
keyboard
RAM
20
A technician has installed a wireless Ethernet card in a Windows 7 laptop. Where would the technician configure a new wireless connection?
Control Panel > Networking and Sharing Center > Set up a new connection or network
Control Panel > System > Device Manager
Control Panel > Administrative Tools > Services
Control Panel > Internet Options
21
Which component or components would be interchangeable between a laptop and and a desktop PC?
CPU
peripheral devices
motherboard
power supply
22
A user needs to connect a Bluetooth device to a laptop. Which type of cable is needed to accomplish this?
USB cable
EIA/TIA 232 cable
None. Bluetooth connections are wireless.
parallel cable
VGA cable
23
Which technology is used by laser printers?
digital drop
electrophotographic
electrostatic spray
impact
ink melting
24
Which two interface types can supply power to a scanner or printer? (Choose two.)
USB
SCSI
serial
parallel
FireWire
25
Which laser printer component is a metal cylinder that is coated with a light-sensitive insulating material?
drum
fuser
fusing unit
platen
transfer corona wire
26
Instead of the document that was expected, a printer is printing unusual characters. What should be the next steps in solving this printer problem?
Replace the print cartridge. If that fails to solve the problem, restart the printer and run diagnostics.
Check the printer data cabling. If the cabling is secure on both ends, replace the print cartridge or ribbon.
Send the print job again. If that fails to work, turn the printer off and back on, then resend the print job. If the problem still exists, reinstall or upgrade the print driver.
Check the printer power. If the power is on, resend the print job. If the document still fails to print properly, check the printer to ensure it is set as the default printer and resend the document.
27
Which Windows XP command sends a file named example.txt to the default printer?
send example.txt
example.txt default-printer
default-printer example.txt
print example.txt
28
Which printer technology is used in low-cost, photo-quality printers?
impact
inkjet
laser
thermal
29
What is the best source for a Windows-compatible scanner driver?
website for scanner manufacturer
Microsoft Update website
scanner installation disk
Windows Device Manager
Windows hardware profiles
30
Which two methods can restart a stopped print service? (Choose two.)
rebooting the computer
power cycling the printer
restarting the print spooler
canceling and resending print jobs
disconnecting and reconnecting network cables to the printer
31
What is typical of a network printer installation?
the requirement of a UPS
the requirement of a hub or a switch
the use of FireWire or USB
the use of Ethernet or wireless
32
What is the recommended first step in performing printer maintenance?
Empty all paper trays.
Remove the toner cartridge.
Remove power to the printer.
Disconnect the network cable.
33
What is the first step in troubleshooting a printing problem?
Identify the symptoms.
Install a new ink toner cartridge.
Disconnect power from the printer.
Discuss solutions with the customer.
Determine the exact cause of the problem.
34
img13
Refer to the exhibit. Which two printer configuration settings should be modified when changing from standard paper to photo paper? (Choose two.)
Duplex
Paper Type
Print Layout
Print Quality
Paper Orientation
35
Which software, embedded in a printer, controls how the printer operates and can be upgraded?
driver
firmware
operating system
printer utilities
36
What are two possible negative results from refilling ink cartridges on a printer? (Choose two.)
internal leaks
damage to the corona
reduced life of the printer
toner cartridge malfunctions
damage to the electrophotographic drum
37
A museum possesses several old paintings that the curators wish to reproduce and sell in the museum gift shop. Which type of scanner can be used to produce the highest-quality reproduction?
all-in-one
drum
flatbed
handheld
38
What are two recommended procedures for proper scanner care and maintenance? (Choose two.)
wiping the glass with cloth
removing the glass during cleaning
keeping the lid open when the scanner is not in use
spraying cleaner directly on the glass
leaving the scanner connected to the power source
39
Which software converts scanned pages into text?
Image Text Converter
Optical Character Recognition
Optical Text Recognition
Character Image Recognition
40
Which routine maintenance procedure can extend the life of a printer?
removing impurities collected on internal components
removing and cleaning the corona wire regularly
cleaning toner from the fusing drum
refilling low ink cartridges
41
What problem might be encountered if a laser printer is plugged into a UPS?
damage to the UPS
inconsistent print quality
electrical shock to users
damage to the laser printer
41
What is a feature that causes printers to require higher levels of maintenance than other electrical devices require?
high voltage
moving parts
network connectivity
electrostatic charges

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