1. A user reports that a peripheral device that was installed
correctly last week has not been functioning since the PC was booted today. All
other PC functions are working properly. What are three things a service
technician should do to solve the problem? (Choose three.)
Use
the testing functionality on the peripheral itself, if available.
Verify
that all cables are connected properly.
Disconnect
all cables connected to the computer except those connected to the peripheral.
Ensure
that the peripheral is powered on.
Disconnect
the peripheral and verify that the computer is operating normally.
Reload
the computer operating system.
2. What characteristic of word processing software would make
it a local application?
The
application is shared between users.
The
software is stored on the local hard drive.
The
software is accessible through a web page.
The
software has the ability to manipulate text and graphics.
3. Which computer component is considered the nerve center of
the computer system and is responsible for processing all of the data within
the machine?
RAM
CPU
video
card
sound
card
operating
system
4. Which two steps should be performed when installing a
peripheral device? (Choose two.)
Download
and install the most current driver.
Connect
the peripheral using any cable and any available port on the computer.
Connect
the peripheral using an appropriate cable or wireless connection.
Test
the peripheral on another machine before installing it on the one where it will
be used.
Check
the computer documentation to see if the peripheral vendor is compatible with
the PC vendor.
5. A computer user is interested in computer storage. Which
storage device typically has the highest storage capacity?
Blu-ray
disc
DVD
disc
hard disk
static
memory
6. What are two benefits of connecting a laptop computer to a
docking station? (Choose two.)
Mobility
is increased.
Less
power is required.
An
external monitor can be used.
More
wireless security options are available.
Alternate
connectivity options may be available.
7. What two functions does a UPS provide that a surge protector
does not? (Choose two.)
It
protects the computer from voltage surges.
It
provides backup power from an internal battery.
It
protects the computer from sudden voltage spikes.
It
gives the user time to phone the electrical company.
It
gives the user time to safely shut down the computer if the power fails.
It
provides backup power through a generator provided by the wall outlet.
8. How is a server different from a workstation computer?
The
server works as a standalone computer.
The
server provides services to clients.
The
workstation has fewer applications installed.
The
workstation has more users who attach to it.
9. In newer operating systems, how are system resources
assigned by default when components are installed?
manually
assigned by the operating system
manually
assigned by the administrator
statically
assigned by the component to a preset resource
dynamically
assigned between the component and the operating system
10. Because of the potentially dangerous voltage levels, which
two devices should you not open unless you have been specifically trained to
work on them? (Choose two.)
mouse
printer
monitor
keyboard
hard
drive
power
supply
11. Applications can be grouped into general use software or
industry specific software. What are two examples of industry specific
software? (Choose two.)
an
educational tool
presentation
spreadsheet
word
processing
medical
practice management software
database
management
12. Which three terms describe different types of computers?
(Choose three.)
operating
system
network
laptop
desktop
Windows
mainframe
13. What can be used to prevent electrostatic discharge (ESD)?
dry and
non humid conditions
carpeted
floor
grounding
strap
uncluttered
work space
14. How many unique values are possible using a single binary
digit?
1
2
4
8
9
16
15. A user needs to run multiple applications simultaneously on
a computer. Which computer feature is important in the determination of how
many simultaneous applications can be run?
amount
of RAM
clock
speed of CPU
driver
for video card
amount
of cache memory
size of
hard disk
RPM
speed of the hard disk
16. What measurement is commonly associated with computer
processing speed?
bits
pixels
hertz
bytes
17. Administrators at a multicampus college need access to their
schedules wherever the administrators go. Which computing device would be the
most appropriate?
PDA
laptop
desktop
mainframe
gaming
device
18. What are two advantages of purchasing a preassembled
computer? (Choose two.)
usually
a lower cost
exact
components may be specified
extended
waiting period for assembly
adequate
for performing most general applications
suited
for customers with special needs
19. Which PC component is used to enable a computer system to
exchange information with other systems on an Ethernet network?
NIC
serial
port
parallel
port
IR port
USB
port
20. Which low-cost component is designed to remove only
overvoltages from a power line?
UPS
power
supply
surge
suppresor
extension
cord that has an on/off switch
21. Why do servers often contain duplicate or redundant parts?
Servers
require more power and thus require more components.
Servers
should be accessible at all times.
Servers
can be designed as standalone towers or rack mounted.
Servers
are required by networking standards to have duplicate parts.
for more Click here to visit our New Site Here : Khmermega
0 comments:
Post a Comment