Exam 7


WHAT TO KNOW

to ace your Comptia Core and OS Technologies A+ Certification Tests

with MOST of the type of questions you'll likely see on the new exams




Exam 1

Exam 2

Exam 3

Exam 4

Exam 5

Exam 6

Exam 7

Exam 8

Exam 9

Exam 10


IRQ 0 - System timer

IRQ 1 -
Keyboard

IRQ 2 -
Hotwired to IRQ 9

IRQ 3 - COM2, COM4

IRQ 4 - COM1, COM3

IRQ 5 -
Sound Card or LPT2

IRQ 6 -
Floppy drive

IRQ 7 -
LPT1

IRQ 8 -
Real
time clock

IRQ 9 -
Free

IRQ 10 -
Free

IRQ 11 -
SCSI

IRQ 12 -
PS/2 Mouse

IRQ 13 -
Math coprocessor

IRQ 14 -
Primary IDE controller

IRQ 15 -
Secondary IDE controller




the original 8088 ISA bus (8 bit x 4.77 MHz)/8 =
4.77 MB/s

286 ISA bus (16 bit x 8 MHz)/8 =
16 MB/s

PCI bus (32 bit x 33 MHz)/8 =
132 MB/s

AGPX2 (32 bit x 133 MHz)/8 =
528 MB/s

the /8 converts bits into bytes



1. One of the most common calls you may receive as a tech is when a customer using windows9x says he's got a "GPF illegal operation error" on his computer and wants to know what to do?
reboot the computer and see if the problem continues
reinstall win9x
call Microsoft its their problem

2. DOS and WIN programs use certain general library files that can be used by all the programs so they don't have to be repeated in each program. In DOS these files were OVL and BIN files, in WIN these files are __ files?
TMP
LNK
DLL

3. Page Fault errors in Win9x usually refer to errors in ___?
CPU
Hard Drive
Memory

4. Term used to describe a modem that can send and receive information simultaneously like talking on the telephone. Unlike talking on a walkie-talkie where only one person can talk at a time?
FIFO
Half Duplex
Full Duplex

5. The first of a new series of risers produced by Intel in 1998, the ___ supported both audio and modem interfaces. Its major shortcomings were the use of a PCI slot and lack of Plug and Play support?
Audio Dialup Riser (ADR)
Communication Network Riser (CNR)
Audio Modem Riser (AMR)

6. In the laser printing process the drum has a high ___ charge?
negative charge
positive charge
zeon charge

7. You have just finished installing a second hard drive for a customer on his win9x computer since his first one is full and he asks if his computer will go faster now. How can you optimize his system so that it might?
take half of the data from the 1st drive and put it on the 2nd
go to system > performance > virtual memory and move the virtual memory to the new drive
add additional logical partitions to the 1st drive

8. Which part of a laser printer should be vacuumed or replaced during a routine maintenance check?
the repeater
primary corona
ozone filter

9. To install a new device in win9x a(an) __ file is usually provided by the manufacturer that describes the device to the operating system and assists the Add New Hardware wizard in setting it up?
INF
LNK
DEV

10. Signal overflow from an adjacent cable?
attenuation
crosstalk
conflagration

11. To change a FAT partition to NTFS in win 2000, Click Start > Programs > Accessories > Command Prompt and type cd\ then ___ [driveletter] : /FS:NTFS ?
erd
rdisk
convert

12. What is the easiest way to determine how much space is on your hard drive in win9x?
use DOS and type Dir C:
my computer > right click the hard drive > properties
go to the CMOS setup and view hard drive

13. If after rebooting the computer the GPF fault continues with an application in win9x what is your next best step?
now you need to reinstall win9x
backup your data and format the drive
uninstall the applic, reboot, reinstall the applic, reboot

14. Term used to describe sections of free memory that is available to win9x programs for use?
tracks
packets
heaps

15. The slowest network connectivity device is a ___ because it has the most overhead or work to do (hint: this device is a translator and strips all the routing information off the packet, takes only the data and then rebuilds the packet using new routing information. It is used to transfer data between networks using different protocols) ?
repeater
gateway
router

16. Instead of start and stop bits this type of communication uses an internal clock to coordinate data transmission?
asynchronous
synchronous
checksum

17. The SET BLASTER=A220 I5 D1 sound card configuration can be found in the __ file?
Config.SYS
Autoexec.BAT
Command.COM

18. IDE supports a total of ___ devices?
1
2
4

19. EIDE supports a total of ___ devices?
2
4
8

20. SCSI supports a total of ___ devices (hint: the host adapter is not considered a device you are adding)?
4
7
8

Grade =
Correct answers are:






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