Chapter 1 - Personal Computer
Hardware
1. Applications can be grouped into
general use software or industry specific software. What is example of industry
specific software?
an educational tool
|
|
presentation
|
|
spreadsheet
|
|
word processing
|
|
database management
|
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 three terms describe
different types of computers?
operating system, network, desktop
|
|
laptop, desktop, Windows
|
|
laptop, desktop, mainframe
|
|
network, desktop, mainframe
|
|
laptop, desktop, mainframe
|
|
operating system, Windows, Linux
|
4. What are two benefits of
connecting a laptop computer to a docking station?
Mobility is increased and less power
is required.
|
|
Mobility is increased and an
external monitor can be used.
|
|
An external monitor can be used
and more wireless security options are available.
|
|
More wireless security options are
available and alternate connectivity options may be available.
|
|
Alternate connectivity options may
be available and an external monitor can be used.
|
5. 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.
|
6. What measurement is commonly
associated with computer processing speed?
bits
|
|
pixels
|
|
hertz
|
|
bytes
|
7. What are two advantages of
purchasing a preassembled computer?
usually a lower cost and exact
components may be specified
|
|
usually a lower cost and extended
waiting period for assembly
|
|
extended waiting period for
assembly and adequate for performing most general applications
|
|
adequate for performing most
general applications and usually a lower cost
|
|
suited for customers with special
needs and exact components may be specified
|
8. A user plans to run multiple
applications simultaneously on a computer. Which computer component is
essential to accomplish this?
RAM
|
|
NIC
|
|
Video Card
|
|
Sound Card
|
|
Storage Device
|
9. Which adapter enables a computer
system to exchange information with other systems on a local network?
Video Card
|
|
Sound Card
|
|
Modem Card
|
|
Network Interface Card
|
10. What is the main storage drive
used by servers, desktops, and laptops?
tape drive
|
|
hard drive
|
|
optical drive (DVD)
|
|
floppy disk drive
|
11. Which component is designed to
remove high-voltage spikes and surges from a power line so that they do not
damage a computer system?
CPU
|
|
surge suppressor
|
|
motherboard
|
|
hard drive
|
12. What two functions does a UPS
provide that a surge protector does not?
It protects the computer from
voltage surges and it provides backup power from an internal battery.
|
|
It protects the computer from
voltage surges and it protects the computer from sudden voltage spikes.
|
|
It provides backup power from an
internal battery and it gives the user time to safely shut down the computer
if the power fails.
|
|
It protects the computer from
sudden voltage spikes and it gives the user time to phone the electrical
company.
|
|
It provides backup power through a
generator provided by the wall outlet and it gives the user time to phone the
electrical company.
|
13. 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
|
14. What can be used to prevent
electrostatic discharge (ESD)?
dry and non humid conditions
|
|
carpeted floor
|
|
grounding strap
|
|
uncluttered work space
|
15. Because of the potentially
dangerous voltage levels, which two devices should you not open unless you have
been specifically trained to work on them?
mouse and power supply
|
|
hard drive and monitor
|
|
microprocessor and keyboard
|
|
monitor and power supply
|
|
hard drive and power supply
|
16. 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
|
17. 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?
|
|
|
|
|
|
|
|
|
18. Which two steps should be
performed when installing a peripheral device?
|
|
|
|
|
|
|
|
|
19. 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.
|
20. 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
|
21. How many unique values are
possible using a single binary digit?
1
|
|
2
|
|
255
|
|
256
|
0 komentar:
Posting Komentar