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A+ Exam Cram2 Certification
A+ Certification Prep
137
Computer Science
Not Applicable
12/16/2004

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Cards

Term
The LPX - Low Profile Extneions introduced the ____ card
Definition
bus rider
Term
The first processor to use an AT motherboard was Intel ____ which used a ___ bit internal and external bus
Definition
Intel 80286,16
Term
This form factor updated the LPX and moved the riser carrd to the outer edge of the motherboard
Definition
NLX
Term
The original ISA 8 bit bus use the edge of an IC card with 62 connectors, and ran at 4.77 Mhz. The newer ___ bit ISA bus allowed up to ___Mhz
Definition
16,8.33
Term
The EISA bus ran at ___Mhz
Definition
8.33
Term
Socket 7 allowed for ____ packaging and was inserted into the socket intself called ______, allowed the following chips : ____, ____, _____
Definition
PGA (Pin Grid Array)ZIF(Zero Insertion Force) Pentium 75, MMX< K6
Term
The North bridge is for high speed devices, THe South bridge connects lower speed devices like ____, ____,_____
Definition
USB Ports, IDE Drive controllers, CMOS
Term
The Flopating point unit/coprocessor was integrated with Intel _____
Definition
80486
Term
Which INtel proccesor was able to address more than 1 MB of memory (16MB)
Definition
80286
Term
DMA Channel 1-2 are typically used for what type of device? (8/16 bit)
Definition
Sound cards
Term
DMA channel 3 is used for _____
Definition
Floopy drive
Term
DMA channel 4 is used for
Definition
ECP/EPP parallel port
Term
DMA channel 5 is the ______
Definition
cascade channel
Term
DMA channel 6-7 are
Definition
unassigned
Term
DMA channel 8 is typically used for _____
Definition
ISA/IDE hard drive controller
Term
IRQ channel 0 is used for
Definition
SYstem Timer
Term
IRQ channel 1 is used for
Definition
keyboard
Term
IRQ channel 2 used for
Definition
cascade to 9
Term
IRQ 3 is used for
Definition
COM2-4
Term
IRQ 5 used for
Definition
LPT2
Term
IRQ 6 used for
Definition
Floppy controller
Term
IRQ 8 used for
Definition
Real time clock
Term
IRQ 10 used for
Definition
reserved
Term
IRQ 11 used for
Definition
reserved
Term
IRQ 12 used for
Definition
mouse
Term
IRQ 13 used for
Definition
math coprocessor
Term
IRQ 14
Definition
Primary FIxed Disk Controller (IDE)
Term
IRQ 15
Definition
Secondary FIxed Disk Controller (IDE)
Term
8250 (1 byte),16450(2 byte), and 16550A(16 byte FIFO) are types of what type of chips
Definition
UARTS
Term
- External modem is connected to an ________ serial port with 9 pin or ____ pin cable or USB port with connector.
Definition
RS-232C,25
Term
A Universal Asynchronous Receiver Transmitter (UART) chip is used to break down incoming bytes into bits that can be transmitted out of a ____ port
Definition
serial
Term
can test ability of an analog modem to send and receive signals properly with an analog _________ ________ or a loopback plug.
Definition
loopback adapter
Term
Modem: Answer Call
Definition
ATA or A0
Term
Dial the # specified
Definition
ATD or ATDT
Term
ATE
Definition
Echo(show) command on screen
Term
ATH and ATH0
Definition
Hang up or disconnect modem
Term
XON/XOFF
Definition
Modem flow control
Term
ATZ
Definition
Reset the modem
Term
Dot pitch: measured in ___ is the distance between pixels.
Definition
mm
Term
Color Depth of 4, 16 available colors
Definition
VGA
Term
Color Depth 1, 2 available colors
Definition
Monochrome
Term
Color depth 8, 256 available colors
Definition
256 color
Term
Color depth 16 or 32
16,777,216
4,294,967,296
Definition
True Color
Term
Supports
800x600
1024x768
1280x1024
1600x1200
16(text only)
256 (text only)
256(text only)
256 (text only)
Definition
SVGA (super video graphics adapter)
Term
640x480
320x200
Definition
VGA(video graphics adapter)
Term
640x350 16 (text only)
Definition
EGA
Term
CGA(color graphics adapter)
Definition
320x200
640x200
Term
MDA (monochrome display adapter) Resolution?
Definition
720 x 350
Term
________ Matrix LCD – display uses LCD elements, electrical current , and a grid of wires to control passage of light, has fixed resolution of pixels.
Definition
Passive
Term
_________ Matrix LCD – based on Thin Film Transistor (TFT), constantly refreshes each pixel providing consist sharp image.
Definition
Active
Term
______ Scan – LCD screen divided in 2. Each half of the screen is refreshed separately. Increases the resolution rate, but decreases the brightness/contrast level of the LCD.
Definition
Dual
Term
_______MB of VRAM would be required to display 1024x768 (24 bit)
Definition
4MB
Term
_____MB of VRAM would be required to display 640 x 480
Definition
1
Term
_____ MB of VRAM would be required to display 800 x 600
Definition
2
Term
____ MB of VRAM would be required to display 1280 x 1024
Definition
6
Term
____ MB of VRAM would be required to display 1600 x 1200
Definition
8
Term
RS-232 is a standard that applies to ____ ports
Definition
serial
Term
COM ports use which type of connectors? THere are 2
Definition
9/25 pin male connector
Term
Before a modem transmits, it sends a ___
Definition
RTS
Term
RTS stands for
Definition
Request to send
Term
In modem terminology, CD stands for
Definition
carrier detect
Term
TorF "
Definition
T
Term
TorF.
ONe discrete signal can encode more than 1 bit, hence a 9600 bps modem operates at 2400 baud.
Definition
T
Term
___ is the term used when 2 modems estalbish communiction with each other
Definition
handshaking
Term
ISDN stands for
Definition
integrated services digital network
Term
Your modem does not respond when you try to dial out, you try another. What is the problem?
Definition
bad phone line
Term
YOur modem uses COM1, and you can't dial out , what is the problem?
Definition
conflict with IRQ4
Term
I/O address for COM1 and COM2
Definition
3f8,2f8
Term
I/O address for COM3 and COM4
Definition
3e8/2e8
Term
ISDN uses digital or analog technology alone?
Definition
digital
Term
A COM port is a serial or parallel port?
Definition
serial
Term
Do modems use synchronous or asyncronous transmissions?
Definition
asynchronous
Term
The terms "red book", "yellow or orange" book refer to ...
Definition
CD ROM standards
Term
Name 3 interfances that CD ROM drives typically have: One is SCSI....
Definition
parallel and IDE
Term
CXD ROM drives use 3 types of connectors, one is a data calble, audio cable and_____
Definition
molex
Term
IN a computer with an EIDE adapter, where do you connect an ATA CD-ROM
Definition
on the secondary IDE
Term
Your IDE CD ROM drive is attached to the primary IDE adapter with your hard drive. How should its jumpers be set
Definition
slave
Term
What does MSCDEX.ESE do?
Definition
acts as a CD-ROM DOS driver
Term
CD-ROM drives always use IRQ___
Definition
depends
Term
a single speed CD-ROM drive transfers data at ___ kbs
Definition
150
Term
Your CD ROM audio cable connects to the
Definition
sound card
Term
These are related to to what kind of issues: unique ID settings, limited cable length, parity, passive and active termination.
Definition
SCSI
Term
WHen you have a hardware resource conflict, it is more likely to be an IRQ conflict than an I/O conflict because....
Definition
there are more I/O addresses than IRQs
Term
TorF: SCSI adapters usually don't need drivers, just the devices that interface with them
Definition
F
Term
T or F: MOst SCSI 2 devices work fine with SCSI 1 adapters
Definition
T
Term
Differential SCSI has 2 wires for each signal that is sent and can be up to 25M, how long can single ended SCSI cables be = ____ meters?
Definition
6
Term
Your PC has both internal and external SCSI devices connected to one SCSI host adapter. Which devices should be terminated?
Definition
The last internal device on the chain
Term
How many devices can connect to a typical SCSI adapter. Assume it only has one data connector.
Definition
7
Term
How many devices can be used on a single SCSI bus? keep in mind that the SCSI host adapter counts as a device.
Definition
8
Term
Which type of interface provices the fastest data transfer?
IDE or SCSI or parralelle or serial or ISA
Definition
SCSI
Term
TorF: IN addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for thehir onboard BIOS
Definition
T
Term
HOw many pins does SCSI-2 cables have?
Definition
50
Term
IDE cables have how many pins?
Definition
40
Term
You are about to install a second IDE hard drive in a PC with 1 IDE adapter. YOur first hard drive will set to be the boot drive. HOw should the second drive be configured? (Master, secondary, slave?)
Definition
Slave
Term
What is the max # of IDE drives that EIDE can support?
Definition
4
Term
YOu are installing an IDE hard drive that will be our boot drive? What are the steps?
Definition
jumper properly, autodetect in CMOS, partition, high level format with /s switch.
Term
Steps for installing SCSI hard drive to be boot drive.
Definition
1. set ID jumpers to all zeros
2. partition
3. high level format
Term
On a flat data calbe, a red or blue stripe means.....
Definition
pin1
Term
All are considered FRU's except:
hard drive, system board, RAM, DMA controller, level 2 cache SIMM
Definition
RAM, DMA
Term
IDE connector is called
Definition
Molex
Term
A static jolt of ___ volts can damage almost any PC integrated circuit
Definition
30
Term
A human cannot feel a static discharge as high as ____ volts
Definition
200
Term
Satic electricity thrives in which type of enviornment.
cold and dry or cold and humid?
Definition
cold and dry
Term
A CRT's grid voltage can be as high as ____ V
Definition
15 000
Term
A CRT's grid voltage can be as high as ____ V
Definition
15 000
Term
A CRT's grid voltage can be as high as ____ V
Definition
15 000
Term
TorF: SCSI controller is both an input and output device
Definition
T
Term
ON power supplies the wire attached to pint 1 is usually ____ or ____ (colors)
Definition
orange or white
Term
If the voltage on pin 1 of the power supply is not in the range of ___ volts, the PC will not boot
Definition
2.5 - 5
Term
The output voltages from a PC power supply are +/ ___, +/-____
Definition
5,12
Term
Resistance is measured in OHMS while Current is measured in AMPS, Capacitance is measured in _______
Definition
FARADS
Term
Voltage is measured in ____ while Current is measured in SERIES
Definition
PARALLEL
Term
The POST routine is stored in the _____
Definition
ROM BIOS
Term
A 3XX POST error code indicates a problem with the
Definition
keyboard
Term
A 4XX,5XX,24XX POST error code indicates a problem with
Definition
video adapter
Term
17XX Post error code indicates problem with
Definition
hard drive controller
Term
6XX Post error code indicates a problem with the____
Definition
floppy drive
Term
Type ___ PC cards are the thinnest of the PC cards
Definition
1
Term
To start the CMOS set up problem, you can
CRTL-ALT-ENTER or DELETE or F_/F__
Definition
2,10
Term
You get a phatonom directory because of a bad floopy cable on line__ or the floppy drive is deffective
Definition
34
Term
The power connector on a floopy dirve is called a
Definition
BERG connector
Term
On most floopy cables the order for the connectors is: adapter, drive ___, drive ____
Definition
B,A
Term
Printing from a dot matrix printer is sometimes light and sometimes dark because:
Definition
paper not advancing properly
Term
dot matrix printer need lub maintaenace on platen bearings, carriage rails, carriage bearings... but which component should NEVER be lubed?
Definition
print head
Term
During the conditionigng phase a uniform charge of ___ is placed on the drum
Definition
-600 V
Term
The primary corona must emit a charge of ____V in the condniionting phase
Definition
-6000 V
Term
The transfer corona uses a
(a) negative
(b) positive
charge to attract the toner to the paper???
Definition
positive
Term
code 50 on a laser printer means :
Definition
defective fuser assembly
Term
As seen from the PC side, the printer port is a ____ pin ____ parallel connector
Definition
25 female
Term
ISA is a
(a) 8 bit
(b) 16 bit
(c) 32 bit
(d) 64 bit
technology
Definition
8 OR 16
Term
You can place an ISA device in an EISA slot T or F
Definition
T
Term
You can place an EISA device in an ISA slot T or F
Definition
F
Term
WHich bus aritecture suppots 32 bit data transfers
(a) ISA
(B) EISA
(c) MC
(d) PCI
(e) PCMCIA
Definition
EISA, MCA, PCI
Term
WHich arhitecture supports bus mastering??
(a) EIA
(b) PCI
(c) MCA
(d) PCMCIA
Definition
EISA< MCA
Term
16 bit word size, 8 bit data path
(a) 8088
(b) 80386SX
(c) 80486DX
Definition
a
Term
32 bit word size, 16 bit data path
(a) 8088
(b) 80386SX
(c) 80486DX
Definition
b
Term
32 bit word size, 32 bit data path
(a) 8088
(b) 80386SX
(c) 80486DX
Definition
c
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