Ashley's quiz
Which type of drive is used for external data storage, attaches using a 7-pin connector, and has a maximum cable length of two meters (6.56 feet)?
PATA
SATA
ESATA
SCSI
You have just upgraded memory on a computer from 1 GB to 2 GB by adding one DIMM. When you first turn on the PC, the memory count shows only 1 GB. Select which of the following is most likely the source of the problem. What can you do to fix it?
The DIMM is installed in the wrong slot. Shut down the system and move the DIMM to the correct slot.
Windows is giving an error because it likely became corrupted while the PC was disassembled.
The new DIMM is not properly seated. Shut down the system and reseat the DIMM.
The new DIMM you installed is faulty. Shut down the system and replace it with a new DIMM
What items are needed to cool a CPU? (Air cooled system)
Heat sink
Thermal paste
Air conditioner
Fans
Liquid cooling system
Which RAM module has the highest peak transfer rate?
PC-100 SDRAM
PC-133 SDRAM
DDR-333
DDR3-1600
What factors are used to determine an ATX motherboard?
A 90 degree angle made by the RAM slots and the CPU socket
The board is printed with an ATX label
A 45 angle made by the CPU
An 80 degree angle made by the PCI slot and the IDE slots
A 90 degree angle made by the RAM slots and the expansion slots
Which statement is true in a comparison of RAID 5 with RAID l?
RAID 5 takes more time to write data.
RAID 5 uses one hard drive as a parity drive for data protection.
For the same storage capacity, RAID 5 requires more hard drives than RAID 1 requires.
RAID 5 does not provide any protection for the data that is located on a hard drive.
RAID 5 requires five hard drives working together at the same speed and capacity.
True
False
SATA Revision 3.x has a data transfer rate of ______.
6 GB/sec
6 Gb/sec
3 Gb/sec
1.5 Gb/sec
You can use an internal SATA data cable with an eSATA port.
True
False
A newly installed hard drive is not working. Where should the technician look to see if the drive is recognized by the system?
BIOS
Boot sector
Event Viewer
Partition table
What factors are used to determine a BTX board? (choose all that apply)
The CPU is turned at 45 degree angle
The RAM slots and PCI slots make a 90 degree angle
The RAM slots and PCI slots are perpendicular
The RAM slots and PCI slots are perrallel
The board is labeled BTX
Which two signal sources could be connected to a TV tuner adapter card? (Choose two.)
Cable TV
SATA cable
TV antenna
computer network cable
Small Computer Systems Interface
Which type of question allows the customer to completely describe the problem?
Closed-ended
Open-ended
Specific
Technical
You disassemble and reassemble a computer. When you first turn it on, you see no lights and hear no sounds. Nothing appears on the monitor screen. What is the most likely cause of the problem?
You forgot to plug up the monitor’s external power cord.
A wire in the case is obstructing a fan.
Power cords to the motherboard are not connected.
A memory module is not seated properly in a memory slot.
You install an IDE hard drive and then turn on the PC for the first time. You access BIOS setup and see that the drive is not recognized. Which of the following do you do next?
Turn off the PC, open the case, and verify that the data cable and power cable are connected correctly and jumpers on the drive are set correctly.
Turn off the PC, open the case, and verify that memory modules on the motherboard have not become loose.
Verify that BIOS autodetection is enabled.
Reboot the PC and enter BIOS setup again to see if it now recognizes the drive.
Processors require some form of heat dissipation system to function properly. Without a heat dissipation system, a processor will overheat and burn out in less than a minute. Most modern CPUs require a heat sink and a fan. Between the CPU and the heat sink, thermal paste or a thermal pad helps in the transfer of heat from the CPU to the cooling unit.
True
False
Which memory module has a front side bus speed of 200 MHz?
DDR-333
DDR-400
DDR3-667
PC100 SDRAM
True or false? Without electricity, RAM will keep information because it is volatile.
True
False
A technician receives a complaint of poor image quality after the user changes the native resolution. While investigating the complaint, the technician discovers there is a mismatch between native mode and the native resolution of the peripheral. Which item is configured incorrectly?
DLP
LCD
Printer
scanner
When troubleshooting a motherboard, you discover the network port no longer works. What are the best and least expensive solution to this problem?
Return the motherboard to the factory for repair
Replace the motherboard
Disable the network port and install a network card in an expansion slot
Update the motherboard drivers
Use a wireless network device in a USB port to connect to a wireless network
A USB flash drive is an example of a storage device.
True
False
Which IEEE standard defines the FireWire technology?
1284
1394
1451
1539
Which three adapters customize and expand the capabilities of a computer? (Choose three.)
EPROM
TV tuner
Wireless NIC
DDR SDRAM
USB
capture card
What is the maximum data rate supported by the IEEE 1394a standard?
200 Mbps
380 Mbps
400 Mbps
800 Mbps
900 Mbps
Which Windows application can be used to obtain detailed information about errors that have occurred in the system?
BIOS settings
Device Manager
Event Viewer
Security Manager
What is the maximum data speed of high-speed USB 2.0?
1.5 Mbps
12 Mbps
380 Mbps
480 Mbps
480 Gbps
840 Gbps
True or False Memory is the same as storage.
True
False
Which of the following should be performed regularly in order to help restore a computer’s data after a hard drive failure?
Windows Memory Diagnostics
Factory Restore
System Restore
Scheduled Backups
Hyper-threading is a feature of some AMD processors that allows a single processor to run threads (instructions) in parallel, as opposed to processing threads linearly. Hyper-threading enables a processor to execute two threads at the same time. For example, on a quad-core Intel system that supports hyper-threading, the processor can execute 8 threads at a time (2 on each core).
True
False
If a PS/2 keyboard does not work on your system and yet you know the keyboard is good, what is the best solution?
Exchange the PS/2 port on your motherboard.
Replace the motherboard.
Disable the PS/2 port in BIOS setup and use a PS/2 splitter to install a keyboard and mouse using the PS/2 mouse port.
Install a USB keyboard on a USB port.
You want to install an SSD drive in your desktop computer, but the drive is far too narrow to fit snugly into the bays of your computer case. Which of the following do you do?
Use a special SATA controller card that will support the narrow hard drive.
Buy a bay adapter that will allow you to install the narrow drive in a desktop case bay.
This SSD is designed for a laptop. Flash BIOS so that your system will support a laptop hard drive.
Install the SSD in a laptop computer.
A printer is not an example of an output device.
True
False
When working on a computer, which of the following best protects against ESD? Why?
Always wear a ground bracelet clipped to the side of the case.
Always touch the computer case before touching a circuit board inside the case.
Always sit a computer on an antistatic mat when working on it.
Always work on a computer in a room without carpet.
Which CPU is manufactured as a multi-core processor with one of the cores disabled?
Dual core
Triple core
Quad core
RISC core
SATA 1 is about 10 times faster than IDE ATA/133.
True
False
Identify connector types and associated cables Which of the following video connectors can display the HIGHEST resolution?
HDMI
Composite
VGA
S-video
You plug a new scanner into a USB port on your Windows 7 system. When you first turn on the scanner, what should you expect to see?
An error message from the USB controller.
A message displayed by the scanner software telling you to reboot your system.
You see the Found New Hardware Wizard launch.
Your system automatically reboots
When troubleshooting a computer hardware problem, which tool might help with each of the following problems?
Power Supply Tester
POST diagnostic Card
Loopback Plug
The system fails at the beginning of the boot and nothing appears on the screen.
Power Supply Tester
POST diagnostic Card
Loopback Plug
A hard drive is not working and you suspect the Molex power connector from the power supply might be the source of the problem.
Power Supply Tester
POST diagnostic Card
Loopback Plug
You have just installed a new sound card in your system, and Windows says the card installed with no errors. When you plug up the speakers and try to play a music CD, you hear no sound. What are the first two things you should do?
Check Device Manager to see if the sound card is recognized and has no errors.
Reinstall Windows 7.
Use Device Manager to uninstall the sound card.
Identify your sound card by opening the case and looking on the card for the manufacturer and model.
Verify the volume is turned up in Windows and on the speakers.
Use Device Manager to update the sound card drivers.
Which two of the following optical media types store more than 5 GB and can be rewritten? (Choose two.)
BD-R
BD-RE
CD-RW
DVD+/-R
DVD+/-RW
A network administrator currently has three servers and needs to add a fourth, but does not have enough room for an additional monitor and keyboard. Which device allows the administrator to connect all the servers to a single monitor and keyboard?
touch screen monitor
PS/2 hub
USB switch
KVM switch
UPS
What are two advantages of SSDs over magnetic hard drives? (Choose two.)
higher storage capacity
Faster access to data
Faster USB connectivity
Ability of many SSDs to be seen as one logical drive
Reduced power usage
What factors are used to determine a NTX motherboard?
The CPU is turned at a 45 degree angle
The board is printed with an NTX label
The RAM slots and PCI slots are perpendicular
There is no NTX board
There is a riser card attached to the board to add additional PCI slots
SATA 1 is about 100 times faster than IDE ATA/133.
True
False
RAID 5 stripes data across three or more drives and uses parity checking, so that if one drive fails, the other drives can re-create the data stored on the failed drive by using the parity information.
True
False
A SATA data CABLE has 15 pins.
True
False
Which three common tasks are performed during preventive maintenance? (Choose three.)
Check and secure loose cables.
Update the RAM
Clean the mouse and the keyboard.
Update drivers.
Reinstall the operating system.
Install additional peripherals.
You have just installed a new DVD drive and its drivers under Windows 7. The drive will read a CD but not a DVD. You decide to reinstall the device drivers. What is the first thing you do?
Open Device Manager and choose Update Driver.
Open Control Panel and launch the Add New Hardware Wizard.
Open Device Manager and uninstall the drive.
Remove the data cable from the DVD drive so Windows will no longer recognize the drive and allow you to reinstall the drivers.
You purchase a new computer system that does not have wireless capability, and then you decide that you want to use a wireless connection to the Internet. What are the least expensive ways (pick two) to upgrade your system to wireless?
Trade in the computer for another computer that has wireless installed.
Purchase a second computer that has wireless.
Purchase a wireless expansion card and install it in your system.
Purchase a USB wireless adapter and connect it to your PC by way of a USB port.
In which two situations is it recommended to ask the customer to sign a liability release form before attempting any kind of repair? (Choose two.)
The technician needs to share the responsibility with the customer.
The information on the computer is critical.
The technician is unable to back up the customer information.
The information in the backup is confidential.
The customer is unable to provide a backup.
Customer satisfaction is best achieved by
Never minimizing the customer’s problems.
Being defensive
Talking to coworkers while interacting with customers.
being judgmental.
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