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701 702 Factoids & Intel for FLASHCARDS
701 702 Factoids & Intel for FLASHCARDS
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HKEY_CURRENT_CONFIG contains information gathered at runtime about...
Hardware. Gets info from HKEY_LOCAL_MACHINE, which stores settings that are specific to the PC.
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HKCR, HKEY_CLASSES_ROOT defines standard class ______, aka applications, and what you can do with the ________.
Object Object (such as file associations and Class IDs, tying them to the applications used to handle these items.)
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ToggleKeys will provide ______ cues when the locking keys (CAPS LOCK, NUM LOCK, or SCROLL LOCK) are pressed.
tone (Hint: T for tone/toggle) (assistive technology for the impaired)
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StickyKeys allows the user to press a modifier key, such as Shift, Ctrl, Alt, or the Windows key, and have it remain _____ until another key is pressed.
active. (assistive technology for the impaired)
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FilterKey tells the keyboard to ignore brief or repeated ______, in order to make typing easier for people with hand tremors.
keystrokes. (assistive technology for the impaired)
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Vista’s UAC prevents programs from running with _______unless you explicitly allow them.
escalated privileges
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You can get to the Services snap-in in three ways: 1) Start | Run or Start Search and type services.msc, Drill down into Computer Management in Administrative Tools, or...
Double-click the Services icon in Administrative Tools.
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Windows Sidebar has a number of interesting ______: for example, a CPU meter that you can use to monitor realtime CPU usage.
gadgets.
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Sync Center is used to sync external devices, e.g., PDA, in Windows Vista: Home Basic, Home Premium, Business and Ultimate, but not...
Enterprise. (Hint: PDA's are more for personal use, than for networks)
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To get to the Computer name in 2000/XP, right-click __________/Properties/Computer Name (Tab). In Vista, just right-click “Computer”/Properties
My Computer.
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sigverif.exe, run on the RUN line, maintains the integrity of Windows by verifying which critical files have been ______ ______.
Digitally signed.
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You'd run the Driver Verifier Manager to diagnose problems with _____.
Drivers (Duh.)
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Mikes installed a new external DVD drive. At reboot, he got a BSOD. He shut down the PC and disconnected the DVD. What should he try now?
Last Known Good Configuration.
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2 key combo to open Start Menu?
Ctrl Esc.
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XP Boot up process: Power good > CPU > POST > NTLDR > ______ > NTOSKRNL > OS.
BOOT.INI.
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Automatic Private IP Addresses (APIPA) start with ___.254.
169 (Hint: 69 is a PRIVATE activity.)
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802.11g WiFi operates at what FREQUENCY, with a max transfer speed of Mbps.
2.4 Ghz. 54 Mbps. (Note: 5 Ghz is used by 802.11a, and either 2.4 or 5 is used by 802.11n)
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CCFL is used in what type of displays?
LCD. Cold Cathode Flourescent Lamps (CCFL) (Hint. C-C; lCd - CCfl.)
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168 pins pins can be found in what type of RAM?
(plain/original)SDRAM (Hint: S=Six or Seven) Synchronous dynamic random access memory (SDRAM). synchronous, because it waits for a clock signal before responding and is therefore synchronized with the computer's system bus.
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How many pins in DDR SODIMM?
200. (Hint: D=dos=2 in Spanish).
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DDR2 SDRAM and DDR3 SDRAM has how many pins?
240. (Hint: DDR2 & DDR3 are the fastest, latest, biggest. So...the most pins.)
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RDRAM for desktop PCs has how many pins?
184 pins (Hint: RDRAM is sooo 80's. not really from the 80's, but old.)
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SO-DIMMs have how many pins?
200. (Hint: O=0)
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(plain/original) SDRAM has how many pins?
168 (Hint: S=six)
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RDRAM (Rambus DRAM) memory ranges from 400 Mhz to as high as?
1066 Mhz
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DDR3 SDRAM comes in what speeds? PC6400...
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DDR2 comes in what speeds? PC...
PC3200
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If you mix RAM, your PC will run at the speed of the FASTEST or SLOWEST RAM?
SLOWEST.
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"Wake on XXXXX" does what?
allows you to wake PC up a PC from Sleep Mode without hitting the power button. For example, by using the mouse, keyboard, etc.
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What is the difference between SIGVERIF.EXE and Driver Verifier Manager?
sigverif.exe VERIFies which drivers are digitally SIGned by Microsoft. Driver Verifier Manager diagnoses drivers causing problems like BSOD, hanging.
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You've installed an expansion card or updated a driver, but are getting the BSOD. What would be the logical tool to use?
Driver Verifer Manager.
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How do you launch Driver Verifier Manager?
Start>Run> "verifier"
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If a PC's case is opened, a ________ is noted in a "BIOS event log."
"Chassis intrusion"
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A power supply unit (PSU) can also be called Switching _____Power Supply
mode (AC mode to DC mode)
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A newer PSU comes with ___-wire P1, aka ATX cable, with an backward-compatible converter for older ____-wire sockets.
24...20.
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PSU's wattage are rated at their _____ output.
maximum.
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After a lightning storm, your PC won't turn on. What is a good PC component to check?
PSU (power supply unit). Surge protectors cannot protect from lightning and the PSU will sacrifice itself for the PC.
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Where is the 115-230v switch on a typical desktop?
On the PSU (power supply unit) itself. Laptops typically automate that in the power converter.
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What type of PATA cables improve airflow?
rounded ones.
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Each SCSI device AND the host SCSI adapter ALL get a unique ID. T/F.
T.
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SCSI Terminators must be used at the end of each chain of SCSI devices. T/F.
T. (to include the SCSI Control card on the mboard, if applicable.)
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Bob added a new device to his SCSI chain, but cannot see it. Why?
Bob forgot to turn SCSI terminator off on the device previously at the end of the chain.
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Bob added a new device to his SCSI chain. Now he can't see any of his SCSI devices. Why?
He forgot to turn the terminator ON on the new device.
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What is the throughput speed of SATA and SATA2?
1.5Gbps 3Gbps (Hint: 2x1.5=3; SATA is serial, so b vs. B.)
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Manually configuring drive settings in BIOS was replaced by what?
AUTODETECT.
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Drive thrashing is a symptom of?
Low virtual memory.
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If a SATA controller card is not recognized by Windows during install, press ___ during install to load drivers.
F6.
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Convert ____ to NTFS at the command prompt, type "convert C:/fs:ntfs."
FAT32.
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If a removable media/drive cause the PC to crash, remove device, and reboot into _____.
Last known Good (to recover and research the problem.)
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The fastest SINGLE laser CD-ROM read speed is___x.
52. (multiple lasers can go faster)
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Blu-ray devices can read DVD's, and CD's. T/F?
T. Newer optical technology can read earlier optical tech.
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Which keeps a users' setting and applications? Clean Install OR Upgrade?
Upgrade.
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Which eliminates older drivers and older bugs? Clean install or upgrade?
Clean install.
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Lockups at boot? Press ___ and start ___ mode. Let it lock up again and reboot in __ mode to read the ntbtlog.txt file.
F8...debug...safe.
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What is the problem with adding a hard drive with a different controller (on an add-on card)? What is the workaround?
The OS, once installed, is tied to the motherboard's hard drive controller. You need to hit f6 to load drivers for the add-on card's controller.
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Windows NT Startup 4 steps: 1. Boot...
2. Kernel, 3. Session Manager, 4. Winlogon.
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Boot Loader Phase (3)
1. NTLDR, 2. BOOT.INI, 3. NTDETECT.COM.
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Vista AERO requires? CPU __ Mhz, Memory __ MB, HD __GB.
1 Ghz CPU, 1GB RAM, 40 GB HD.
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Multi-Lingual User Interface devices support foreign languages, but is only available from the ___.
OEM.
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2 ways to start Services:
- 1. Control Panel>Admin Tools>Services>Service to start>start;
- 2. My Computer (Right Click)>Manage>Services and Applications>Services>Services to start>.
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BEST way to insure data is removed from a HD before recycling? 2 options.
Remove HD and destroy it. Degauss w/ magnet.
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The command "format C:\q" is a quick way to...
erase/reformat the C drive.
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A great way to limit Internet usage in Vista is through what tool?
Parental Controls.
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The "netstat" command does what?
(network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics.
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The "netstat" command with "-n" does what?
Displays active TCP connections, however, addresses and port numbers are expressed numerically and no attempt is made to determine names.
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TCP/IP acronym for:
Transmission Control Protocol (TCP) and the Internet Protocol (IP).
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DHCP acronym for:
Dynamic Host Configuration Protocol (DHCP) is an autoconfiguration protocol used on IP networks. DHCP allows a computer to be configured automatically, eliminating the need for intervention by a network administrator. It also provides a central database for keeping track of computers that have been connected to the network. This prevents two computers from accidentally being configured with the same IP address.
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One security benefit of enabling a Guest account for someone is...
Gives a person limited access to a shared machine.
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2 paths to change a user PW:
- 1. Control Panel>User Accounts;
- 2. Control Panel>Administrative Tools>Computer Mgmt>Local Users & Groups>Users>(Right click) user.
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The NTFS inheritance feature causes existing folders to inherit the same ______ of the existing folder.
permissions.
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Vista/7's volume shadow copy does what?
Automatically back-up copies of every file and folder. Allows access to previous versions of a file, even deleted ones.
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A path to adjusting the page file (virtual memory)
Control Panel>System>Advanced>Performance (settings)>Advanced.
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The default page file (virtual memory) is set at what multiple of RAM?
1.5 (x RAM).
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Emergency Repair Disk (ERD) is a specially formatted bootable media used to...
restore a computer to a bootable state if the registry or other fundamental system components are damaged.
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Automated System Recovery (ASR) in Windows XP and later OS'es that can be used to:
simplify recovery of a computer's system or boot volumes.
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ERD and ASR require both ___ and ___ to work.
the OS CD-ROM... and the ERD/ASR backup.bkf file...
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If you have a missing DLL message at boot/login, run ____
"sfc/scannow". (sfc=System File Checker, /scannow+scans all protected system files.)
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Disk Management is located in____.
Administrative Tools>Computer Management.
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If "the Windows security log is full" you need to increase... This may require authorization from a(n)....
the size of the log in Event Viewer... Admin.
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Compatability mode allows you to run a previous version of ____ or tweak the specs of a running ____.
Windows...application.
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CHKDSK, scans for errors in ___ or invalid file names on HD.
Clusters.
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CHKDSK can resolve problems with apps failing to start. T/F.
T.
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Autochk.exe is equivalent to _____, but is designed to run at Install and at ____.
chkdsk.exe...startup.
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The Recovery Console is a available pre or post OS launch?
Pre
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The Recovery Console allows you to perform _____ tasks, i.e., BOOTCFG, DISKPART, FIXBOOT, FIXMBR.
administrative
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BOOTCFG edits what file?
boot.ini
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FIXBOOT writes a new what?
A new partition boot sector.
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FIXMBR repairs what?
Master Boot Record.
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Environment variables are strings that contain info such a drive, path, file name. They are edited in what path?
Startup>Control Panel>System>Advanced >Environment Variables
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CD's typically hold ___ MB.
700
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What is the max ADVERTISED capacity of single sided, single layer DVD?
4.7 GB.
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What is the MAXIMUM ADVERTISED capacity of single sided, dual layer DVD?
8.54 GB.
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Each layer of a Blue Ray disc has how many GB?
25. So, a dual layer BLU, 50GB.
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A USB controller can have up to ___ devices.
127.
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USB 2.0 top speed is___ with a max cable length of ___ meters..
480 Mbps...5 meters.
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USB 1 top speed is___ with a max cable length of ___ meters.
12 Mbps....3 meters.
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Many USB devices are know as "Human ______ Devices."
Interface.
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Firewire (IEEE394b) runs at either 400 or How much faster is USB 2 than USB 1?
- 40 times. ___ Mbps, with a max cable length of ___ meters or ___ feet.
- 800... 4.5 meters or 15 feet.
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A controller can handle up to ___ Firewire devices.
63.
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Serial ports can be configured in XP's _____ Manager.
Device.
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KVM acronym for keyboard, ____, _____.
Video, Mouse.
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Newer KVMs have USB and ____ connections. Older KVM's might have VGA and ____. Connections.
DVI...PS/2.
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3 older types of older analog video are composite (VGA), ___, ____.
S-video, component.
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Is ScanDisk capable of removing malware?
N.
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Mikes's XP PC fails at boot w/ an "NTLDR missing or corrupt" message. What is a good way to fix?
Boot to CD-ROM and do a repair.
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Wireless keyboards use 802.11 or bluetooth?
Bluetooth.
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A firewall is usually located on the network, server, client computer?
Client computer.
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A local poison control center number would be on an MSDS. T/F.
F. (MSDS not made for a specific area.)
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Smss.exe gets launched during what part of the boot 4-phase boot process: Boot, Kernel, Session Manager, Winlogon?
Session Manager.
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In XP, use bootcfg.exe and /rebuild to edit the ___ file in ____ console.
boot.ini Recovery mode.
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Vista uses a newer boot loader called _____ that replaces NTLDR and is configured using BCDEdit.exe).
bootmgr.
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Hold down control and drag a file to _____ a file, but Hold down Shift and drag a file to ____ it.
copy move
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2 keys to open Startup?
CTRL ESC
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2 Keys to Lock Windows?
WINDOWS L
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XP uses recovery console, Vista uses STARTUP ____.
Repair
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Metallic, shielded wire designed to prevent EMI?
STP (Shielded Twisted Pair).
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2 ways to upgrade a printer?
Increase memory, NIC.
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Mini molex uses what voltage?
5 (red cable) and 12 (yellow cable)
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Dust in a laptop can cause a fan to run too ____ due to a lack of airflow.
Fast.
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The loopback address is the same as a Local Host ID, which is ip address___.
127.0.0.1.
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You install a HD and CD Rom. Neither work when both are plugged in, but one will if the other is disconnected. What needs fixing?
Power Supply.
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EFS encrypts files and _____.
folders.
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If one troubleshooting theory is wrong, develop ____ before taking things apart.
another
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Path to change a language in Vista.
Control panel > Regional and Language Settings > Keyboards & Language > Install/uninstall languages.
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SFC (System File Checker) helps restore _____ files.
Windows.
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CHKDSK /f /r is used to.
Fix and repair.
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How much faster is USB 2 than USB 1?
40 times.
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What devices uses a laser to detect between black and white lines?
Laser bar code reader
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When configuring a bar code reader, what switch allows you to read vertical lines?
A switch.
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Sally is canning products in a store and given a new bar code reader that doesn't work. Why?
It needs to be calibrated.
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