True/False
Indicate whether the sentence or statement is true
or false.
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1.
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All devices
in a computer are either installed directly on the system board, directly linked with a cable or
indirectly linked through an expansion card.
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2.
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ROM is said
to be nonvolatile since it holds its data permanently.
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3.
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On newer
CPUs, cache memory is located on the system board, either as single chips or memory modules called
COAST.
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4.
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CONFIG.SYS
is the first OS file that you, as a user, can alter.
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5.
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It is not
possible to use an 8-bit ISA card in a 16-bit ISA bus system board.
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6.
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Memory
addresses are numbers assigned to both ROM and RAM memory so that the CPU can access that
memory.
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7.
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In a Windows
95 environment, most of the addresses below 1024K are not used.
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8.
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A common
method for a virus to propagate itself is to change the interrupt handler location in the vector
table to another program, in this case the virus' infecting code.
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9.
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Setup
information can be lost if the battery 'dies' or is replaced too slowly.
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10.
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An example
of special functionality in a CPU is the MMX (multimedia Extensions) found in Pentium MMX
processors.
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11.
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Protected
mode firmware may be assigned any memory address.
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12.
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ESCD
Plug-and-Play BIOS is written to a special RAM chip called Permanent RAM, which uses a battery to
retain data when the system is powered down.
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13.
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Most of
today's new devices are not supported by the system BIOS, but by device drivers.
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14.
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DRAM SIMMs
rapidly lose their data and must be refreshed every 3.86 milliseconds.
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15.
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Expansion
boards may have RAM to hold data and ROM to store programs.
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16.
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Virtual
memory is using RAM so that it acts like hard drive space.
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17.
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The data in
Fig04-13 indicates that this particular system is fully optimized, making full use of upper
memory.
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18.
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When given
the choice, always choose 16-bit drivers over 32-bit drivers to increase overall computer
performance.
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Figure
5–1
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19.
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In Figure
5-1, Item A, a cable that is spilt and twisted between the two drive connectors, is a data cable for
a floppy drive.
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20.
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On a floppy
disk the master boot record and the DOS boot record are the same record.
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21.
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On a hard
disk the master boot record and the DOS boot record are the same record.
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22.
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The OS does
not communicate directly with IDE drives.
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23.
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The system
board BIOS takes precedence over the BIOS on the SCSI host adapter in determining which disk will be
the boot drive.
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24.
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Windows 9x,
Windows NT and Windows 2000 all have built-in support for SCSI.
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25.
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The primary
partition can have only a single logical drive, and is the only partition on the hard drive that can
boot the operating system.
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26.
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Windows 98
does not limit the number of entries in to root directory.
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27.
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Windows NT
and Windows 2000 bypass the system BIOS altogether and communicate directly with the controller BIOS
by using device drivers.
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28.
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When using a
cable-select data cable, the connector nearest the system board is the master and the drive farthest
from the system board is the slave.
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29.
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The
temperature inside the case should not exceed 113 degrees F.
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30.
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Excessive
dust insulates components and causes them to overheat.
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31.
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Bad
connections and corrosion can prevent a computer from booting up.
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32.
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The
Properties box for an installed printer allows you to print a test page.
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33.
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Since most
PC repairs are simple and occur frequently, there is no need to keep notes.
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34.
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A peripheral
is a hardware device that is controlled by software and you must install both the hardware and
software.
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35.
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Generally,
if you buy a device and other accompanying hardware from the same source, they are less likely to be
compatible.
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36.
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It is still
possible to install two cards that must use the same resources.
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Figure 10–7
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37.
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In Figure
10-7, Item A is pointing at the data cable.
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38.
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CD-R
technology allows a disc to be rewritten a number of times.
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39.
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LED stands
for light-emitting diode.
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40.
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ADSL
provides the same speed upstream and downstream.
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41.
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Baseband
networks carry data in analog form over wire a single message at a time.
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42.
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Packets of
data going from Host A to Host B will always take the same route over the Internet.
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43.
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For a
Windows NT host to allow a remote PC to dial in, RAS must be installed and running.
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44.
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Toner is
composed of black resin bonded to iron.
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45.
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If the
temperature of the fuser exceeds an allowed maximum, there is a strong likelihood that the printer
will catch on fire.
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46.
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Once a
PCMCIA socket is closed (occupied), the card service provides the device driver to interface with the
card.
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47.
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Removable
drives are ideal for backups as long as the data fits on one disk.
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48.
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As a
technician, you are expected to be knowledgeable in all facets of PC repair, so research is not often
called for.
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49.
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Since most
customers lack technical expertise, it is not important to listen to their description of the
problem.
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50.
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Like
Microsoft certifications, COMPTIA requires technicians to recertify their A+ Certification
periodically, to accommodate new technology.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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51.
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The most
important hardware device in a computer is the ____. a. | system
clock | b. | CMOS | c. | CPU | d. | system bus | | |
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52.
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Hardware
manufacturers typically rate monitors by ____ and number of dots displayed on the
screen. a. | the size of the
screen | b. | contrast | c. | number of displayable colors | d. | cubic
displacement | | |
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53.
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A ____ is a
board that holds microchips and the circuitry that connects these chips. a. | hard
drive | b. | floppy drive | c. | circuit
board | d. | CPU | | |
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54.
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Microchips
are manufactured in two ways: ____ and ____. a. | CPU, CMOS | b. | TTL, CMOS | c. | TTL, CPU | d. | CPU, ROM | | |
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55.
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The ____ is
the most complicated piece of equipment inside the case. a. | floppy
drive | b. | system board | c. | CD-ROM | d. | video card | | |
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56.
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The ____
supports the CPU by controlling many system board activities. a. | EPROM | b. | CMOS | c. | RAM | d. | chip set | | |
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57.
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The adapter
card is the interface between the hard drive and the ____. a. | cache
RAM | b. | BIOS | c. | power supply | d. | CPU | | |
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58.
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____ are
circuits that enable data, instructions and power to move from component to component on the system
board. a. | Traces | b. | Grid lines | c. | Expansion slots | d. | Adapter
cards | | |
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59.
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The ____
slot is used specifically for accelerated graphics video cards.
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60.
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Data and
instructions are stored on the system board in special chips called ____. a. | the system
clock | b. | ROM | c. | RAM | d. | RIMM | | |
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61.
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A chip on
the motherboard that contains circuits to perform fundamental input/output tasks is the
____. a. | RAM
BIOS | b. | CMOS
chip | c. | ROM
BIOS | d. | system
clock | | |
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62.
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The CMOS
chip is powered by a low electrical charge from a(n) ____. a. | series of
capacitors | b. | small battery on the motherboard | c. | connection from the
power supply | d. | expansion card | | |
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Figure
1–31
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63.
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In Figure
1-31, item B is an example of a ____. a. | GUI | b. | command driven interface | c. | interrupt driven
interface | d. | prompt | | |
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64.
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Of the two
types of multitasking that are supported by Windows 9x, ____ multitasking is where the OS gives an
application access to the CPU for an allotted time and then preempts the process to give the CPU to
another application. a. | cooperative | b. | unlimited | c. | limited | d. | preemptive | | |
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65.
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Under DOS, a
filename can be up to ____ characters and a file extension can be up to ____ characters in
length.
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66.
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When a disk
is first formatted, a single directory called the ____ directory is created. a. | root | b. | default | c. | current | d. | primary | | |
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67.
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The first
place DOS looks, when loading a program is in the ____ directory. a. | root | b. | DOS | c. | default | d. | windows | | |
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68.
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____ are
numbers assigned to hardware devices that software uses to get the devices' attention and to interact
with them. a. | Memory
addresses | b. | I/O addresses | c. | IRQ's | d. | DMA channels | | |
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Figure
2–9
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69.
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What type of
bus is displayed in Figure 2-9? a. | 16-bit ISA | b. | VESA | c. | 8-bit ISA | d. | PCI | | |
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70.
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Pressing the
reset button starts the booting process ____ the operating system method. a. | later
than | b. | earlier
than | c. | at the same point
as | d. | in a different mode
than | | |
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71.
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The
CTRL-ALT-DEL key press initiates a ____ boot. a. | synchronous | b. | hard | c. | soft | d. | cold | | |
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72.
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The core
components of DOS are two hidden files named ____ and ____. a. | CONFIG.SYS,
AUTOEXEC.BAT | b. | COMMAND.COM, CONFIG.SYS | c. | MSDOS.SYS,
COMMAND.COM | d. | IO.SYS, MSDOS.SYS | | |
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73.
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____, a
hidden system file, contains more BIOS software. a. | IO.SYS | b. | MSDOS.SYS | c. | COMMAND.COM | d. | AUTOEXEC.BAT | | |
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74.
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The Windows
configuration file ____ contains information about Program Manager groups. a. | SYSTEM.INI | b. | PROGMAN.INI | c. | WIN.INI | d. | CONTROL.INI | | |
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75.
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The DOS
command to format a disk and make it bootable is ____. a. | FDISK | b. | FORMAT A: /U | c. | SYS
C: | d. | FORMAT A:
/S | | |
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76.
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When
configuring a mixture of legacy and Plug and Play cards, ____ cards are configured
first. a. | Plug and
Play | b. | legacy | c. | right-most | d. | left-most | | |
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77.
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The entry in
the Windows 95 MSDOS.SYS file that determines whether the systems boots to the Windows 95 GUI or DOS
is ____. a. | WinBootDir= | b. | WinDir= | c. | HostWinBootDrv= | d. | BootGUI= | | |
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78.
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The ____ ISA
bus was so named because it had only eight data lines. a. | 4-bit | b. | 8-bit | c. | 16-bit | d. | 32-bit | | |
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79.
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The largest
address that can travel on an 8-bit ISA bus is ____K.
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80.
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The 8-bit
bus contains ____ IRQ lines and ____ DMA channels.
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81.
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In the early
days IRQ 2 was reserved for ____. a. | an auxiliary tape cassette output device. | b. | mainframe
communications | c. | pointing devices | d. | network interface
cards | | |
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82.
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In early
motherboards, the Intel 8259 microchip was used to manage ____. a. | IRQs | b. | DMA channels | c. | serial
ports | d. | parallel ports | | |
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83.
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Which IRQ in
the 16-bit ISA bus IRQ priority list has the lowest priority (that is, which is processed LAST when
more than one device requests a service at the same time)?
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84.
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____
addresses are numbers that the CPU can use to access hardware devices. a. | Memory | b. | I/O | c. | Device | d. | DMA | | |
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85.
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When setting
a DIP switch, ON equates to a binary ____ and OFF equates to a binary ____.
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86.
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____ is/are
most dangerous to the computer when the cover is off. a. | The power
supply | b. | Radio frequency interference | c. | Electrical
surges | d. | ESD | | |
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87.
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In 1987, IBM
introduced the first 32-bit bus, the ____.
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88.
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The 80386SX
processor had a(n) ____-bit external data bus.
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89.
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A Pentium
CPU is said to have multi-processing capabilities because it contains ____ ALUs.
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90.
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The bus
between a Pentium Pro processor and the L2 cache is known as the cache bus or ____. a. | back side
bus | b. | front side
bus | c. | internal
bus | d. | external
bus | | |
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91.
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The Pentium
II Xeon is ____. a. | a fast, high-end
Pentium II processor designed for servers and powerful workstations | b. | a low-end Pentium II
processor that targets the low-end multimedia market | c. | no longer
manufactured | d. | known as the "classic" Pentium | | |
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92.
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A RISC
processor has ____ instructions than a CISC processor. a. | more | b. | fewer | c. | simpler | d. | more complex | | |
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93.
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The Intel
440BX chip set is the first PC chip set to support a memory bus that runs at ____
MHz.
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94.
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The ____
series of Intel chip sets uses the PCI bus as the interconnection between slower buses and the system
bus.
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95.
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If two
legacy devices require the same resources and cannot accept substitutes then ____. a. | the device in the
leftmost slot will be assigned | b. | the system will alternate between the two
devices | c. | the two devices cannot coexist in the same
PC | d. | the device in the
rightmost slot will be assigned | | |
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