MIS 350 OLE MISS CHAPTER 1-6 SAM HAMMOUD

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How many pins are in the power supply connector that is typically used on most motherboards today?

24-pin

When advising a customer on the purchase of a new power supply, you should explain that if the power supply runs at peak performance all the time, it will overheat. Additionally, power supplies can lose some capacity over time. Considering these conditions, you recommend that the customer purchase a power supply with a power rating higher than what the system currently uses. How much more wattage over peak do you recommend the customer purchase?

30% more

The PCI Express Version 4.0 can provide up to what amount of throughput with 16 lanes for data?

32 GB/sec

Gwen recently purchased a new video card, and after she installed it, she realized she did not have the correct connections and was not able to power the video card. What connector(s) should Gwen look for when purchasing a new power supply?

6-pin PCI-E connector 8-pin PCI-E connector

Today's DIMMs use what size data path?

64-bit

Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations?

8-pin 6-pin

How many pins are used in a serial port?

9

Kiera is building a new computer and wants to make sure she has an adequate power supply for all the new equipment she is purchasing. She will be installing three HDDs, with each using 25 watts. The processor she is using will need 125 watts. The motherboard will use 80 watts. RAM will require 3 watts for each of the four DDR3 DIMM modules. Her video card will need 400 watts to run at the maximum level. She wants to keep the cost as low as possible for the power supply. Which power supply would you recommend?

900W power supply

What is the component called that usually has a dual-voltage selector switch and has cables that connect to the motherboard and internal components?

>PSU

Who are the two major manufacturers of processors?

AMD Intel

At what point during the motherboard installation should you install the motherboard drivers?

After Windows successfully boots without errors

Motherboards may contain which of the following ports on the I/O panel?

All of these

What configuration can you find for PCIe slots?

All of these

Which component may be considered a field replaceable unit or FRU?

All of these

Yesterday you installed a new game on your computer. When you ran the computer, you noticed that the application was running very slow. After you exited the game and restarted it, you received an error message saying, "Insufficient memory or disk space." You checked your hard drive and saw that you had more than 250GB of free space. What should you check next in Task Manager?

Amount of RAM available.

What two different types of firmware may be used on motherboards?

BIOS UEFI

Where must virtualization be enabled for VM (virtual machine) software to work?

BIOS/UEFI

Which statement is NOT a good practice when working inside a computer case?

Be sure to hold expansion cards by the edge connectors

Landon starts his computer and receives the error message, "Hard drive is not found." In a panic, he calls you because he did not back up his data and has numerous important files on his hard drive. During your investigation, Landon tells you he was watching a movie on his computer the previous night. What might be the problem with Landon's computer?

Boot priority is set to the DVD drive.

What is the most likely result of a correctly installed processor, but an incorrectly installed cooler?

Boot process begins, but the system suddenly turns off after a short period

Where do today's computers store almost all motherboard configuration data?

CMOS RAM

What Intel processor technology interconnects the processor, chipset, and wireless network adapter as a unit, improving laptop performance?

Centrino

Which setting can be configured via the BIOS/UEFI screen?

Change the boot sequence

You are troubleshooting a laptop with multiple sticking keys that result in misspelled words while the user types. Other than several sticking keys, the laptop appears to be functioning properly. You have cleaned the keyboard with compressed air, but the problem persists. After removing one of the key tops, it becomes apparent that a liquid was spilled into the keyboard. Which of the following is the next step in resolving the issue of sticking keys?

Clean the keyboard keys with a contact cleaner

Paul is playing a game when his computer shuts down unexpectedly. Paul has noticed recently that his fans are running very loud. When Paul turns his computer back on, it starts to boot and then shuts off again. What is a possible problem with Paul's computer?

Computer is overheating.

Which type of memory can support quad, triple, and dual channels?

DDR3

The LGA1151 socket and latest Coffee Lake chipset support what type of RAM?

DDR4

What type of RAM is typically installed onto a motherboard and loses data rapidly, requiring it to be refreshed often?

DRAM

Brandon purchased a new processor online as an upgrade. When he purchased the processor, he made sure that it used the same socket his computer's motherboard used. But he did not check to see whether the motherboard chipset was compatible. What will happen if you install a processor on a motherboard that can fit the socket but is the wrong chipset?

Damage to both the processor and the motherboard.

Rebecca completed work on a computer and is verifying the functionality of the system when she finds a new problem. This problem is not urgent and can be easily fixed. The policy at Rebecca's company is that all problems need to be reported and given a priority code before they can be assigned to someone. What should Rebecca do about this new problem?

Determine whether fixing the first problem caused the second problem

DIMMs used in servers can provide additional reliability by checking for and correcting errors if they use what specific technology?

ECC

You are researching RAM for a computer you are building for a friend who will be using the system as a home office server for her small business. She wants the added protection so the computer will not crash due to a memory error. What type of RAM should you consider purchasing?

ECC

What acronym is another name for static electricity, which can damage chips and destroy motherboards?

ESD (Electro-Static Discharge)

When testing your theory, you discover that you are wrong. What is your next step in the troubleshooting process?

Establish a new theory of probable cause

Heather is troubleshooting a computer at her worksite. She has interviewed the computer's user and is currently trying to reproduce the problem the user described. Heather is in which step of the troubleshooting process?

Establish a theory of probable cause.

When selecting a processor to match system needs, what features should you NOT consider?

Finding the latest and most powerful processor available no matter the cost

What is a possible remedy if your system hangs at odd times or during the boot?

Flash the BIOS/UEFI

What type(s) of port transmits both digital audio and digital video with a single connector? Select all that apply.

HDMI DisplayPort

Which statement is NOT true regarding motherboards?

Has a heat sink on the PCIe slots

A user called to inform you that the laptop she purchased yesterday is malfunctioning and will not connect to her wireless network. You personally checked to verify that the wireless worked properly before the user left your office. The user states she rebooted the computer several times but the problem still persists. Which of the following is the first step you should take to assist the user in resolving this issue?

Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network.

When you verify a system is functioning properly, you determine that the problem could have been prevented. What should you do to help the computer's user avoid having the same problem again?

Instruct the user on how to prevent the problem.

What socket do Coffee Lake processors use?

LGA1151 version 2

What type of processor memory is located on the processor chip (processor die)?

Level 1 cache

What are the two different methods for partitioning hard drives?

Master Boot Record (MBR) GUID Partition Table (GPT)

When populating a motherboard with DIMM modules, what configuration option will not work?

Mixing unbuffered with registered

What connector has 4 pins, is used for older IDE drives and some SATA drives, and can provide +5 V and +12 V power outputs?

Molex connector

What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged capacitors?

Monitor Power supply

Thomas came into work this morning and turned on his computer and nothing happened. He immediately called the help desk, and you were sent to fix his computer. While talking with Thomas about his computer, you find out that when he turns on the computer, he has lights and fans, but nothing else happens. He also tells you that nobody else has done anything with his computer. Nothing has been added or changed, since it worked the day before. You decide to try to re-create the problem, and when you turn on the computer, there are lights and fans, but no beeps and no video. You notice that the keyboard light does not come on. What can you determine about the problem with Thomas's computer? (Select all that apply.)

Motherboard has failed Processor has gone bad or is not seated properly

Match the processor feature to the correct definition Multiple processors installed in the same processor housing Handle and switch between multiple instruction sets Two processing units installed within a single processor Two processor sockets on the motherboard

Multicore processing Multithreading Multiprocessing Dual processors

A processor housing that contains more than one processor is referred to as what term?

Multicore processor

What is the general name of the processor feature that AMD calls HyperTransport?

Multithreading

You are reviewing new RAM to purchase for a gaming computer and find three different RAM modules that are the same except for their CAS Latency. Option A lists the CL as 18 ns, Option B lists the CL as 20 ns, and Option C lists the CL as 15 ns. Which option will work best for a gaming computer?

Option C

A technician needs to service a laptop computer that is experiencing an intermittent problem with the display. Which of the following will be most effective at helping the technician complete the work in a timely and efficient manner?

Organize and place all parts and screws and in one place. Document and label the location of the screws and cables before removing them.

Which motherboard slot should you install a new high-end graphics card in?

PCI Express 3.0 x16 slot (PCIE2: x16 mode)

Match each item with a statement below. A diagnostic program built into a computer to test the hardware components before the computer boots up All wireless technologies are turned off resulting in no transmission or reception of wireless signals The smaller form factor of the ATX.  Its smaller size and reduced expansion ports helps reduce costs and power consumption Performs most of the processing for data and instructions for the entire system A short-range wireless technology used to connect two devices in a small personal network Smaller connectors for memory on laptops The standard for computer expansion cards The connector for memory found on a motherboard Draws heat away from the CPU or other heat sensitive components so that it can be dissipated quickly Transmits digital video and audio. They are slowly replacing VGA and DVI ports on computers

POST airplane mode microATX CPU Bluetooth SO-DIMM PCIe DIMM heat sink DisplayPort

What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system is launched

POST card

Your computer system loses power while you are working on a project for a very important client. When the computer restarts, you hear continuous beeps coming from your computer, and the monitor is showing no signal. What do the beeps mean?

POST has failed, and you should research the BIOS beep codes.

Molly, an end user, connects an external monitor, external keyboard and mouse, and a wired network cable to her laptop while working in the office. She leaves the office frequently to meet with customers and takes the laptop with her. Disconnecting and reconnecting these external connections has become inconvenient. Which of the following devices will allow the user to disconnect and reconnect the laptop to the external connections with the least amount of effort?

Port replicator Docking station

You go to work after a long weekend and try to turn on your computer. When you push the button on the desktop, the system does not start to boot. The monitor turns on and displays a message saying that there's no signal. When you push the desktop button again, you notice that the lights on the computer are turning on, but you don't hear any sounds coming from the desktop. What is a possible problem with your computer?

Power cord is unplugged.

What is the second step in opening the case of a working computer?

Power down the system and unplug it

When Amy turns on her computer, she notices a burning smell. Smoke comes out of the case, and Amy immediately turns off her computer. What might be causing Amy's computer to emit smoke and a burning smell?

Power problem

Which of the following represents a method for accessing the BIOS/UEFI setup program?

Press a key or combination of keys during the BIOS/UEFI POST

What is the set of rules and standards that any two entities use for communication?

Protocol

What type of RAID volume is used for fault tolerance and only requires two drives?

RAID 1

Lin is booting up his computer, and during the boot process, the computer powers down. After several unsuccessful attempts to boot his computer, he decides that he needs to start the troubleshooting process. Lin thinks that the problem could be in the power supply, so he uses a power supply tester. The test shows that the power supply is functioning properly. What should Lin check next in the troubleshooting process?

RAM

You notice that your computer is running slow and decide to reboot the computer to see if that will fix the problem. During the reboot, you notice that the amount of RAM shown during the RAM count is not the same as it was the day before. What might cause this problem?

RAM module has become unseated.

What is the connector called on a network cable that connects to an Ethernet port?

RJ-45

What can a DIMM use to hold data and amplify a signal just before the data is written to the module?

Registers

While you are working on your computer, it shuts down unexpectedly, and you detect a burning smell. When you remove the case cover, you notice a distended capacitor. What can you do to fix this problem?

Replace the motherboard

Sara is having a tough time finding the cause of a problem on a computer she is troubleshooting. She found a possible problem but is not sure if she is correct. In case she is wrong, Sara does not want to test her theory, because doing so might worsen the problem. What would you advise Sara to do?

Research the problem on the Internet

Modern desktop motherboards and laptop motherboards all utilize what two types of DRAM respectively?

SO-DIMM DIMM

Jenny is working on a laptop computer and notices that the computer is not running very fast. She looks and realizes that the laptop supports 8GB of RAM and that the computer is running only 4GB of RAM. Jenny would like to add four more gigabits of RAM. She opens the computer and finds that there is an open slot for RAM. She checks the other module and determines that the module has 204 pins. What module should Jenny order?

SO-DIMM DDR3

What should you do if you want to be able to locate your laptop in the event of loss or theft and give it a command through the Internet to lock it or delete data?

Subscribe to LoJack for Laptops

You are troubleshooting a computer that your client said turns off during normal operation. While you are trying to identify the problem, the client also informs you that if he waits a while, the computer will turn back on and run normally for a bit. You open the system and immediately notice a large dust buildup around the processor fan and heat sink. What problem can you detect on the computer and confidently report to your client?

System is overheating.

What must your motherboard have to use BitLocker Encryption in Windows 7/8/10 which will ensure that your hard drive cannot be used in another computer?

TPM chip

Sara works in the IT department for a large retail store. She has been testing a theory about why an error message keeps popping up on a coworker's computer when he tries to start Windows. She has hit a wall and doesn't know where to look next. Sara feels very frustrated with the problem. What should Sara do to help work out the solution?

Take a break and come back later.

Over the past week, every time Larry has started his computer, he has noticed that the time is not correct. Larry didn't consider this a problem because his computer was working properly. However, now Larry has decided that he should investigate why the time is not accurate. What can you tell Larry to check to find out why the clock does not keep the right time?

The CMOS battery is bad and needs to be replaced.

Which statement is NOT true regarding Coffee Lake chipsets?

The Coffee Lake LGA1151 socket is backwards compatible with earlier generation processors

What has occurred if you see the message, "Chassis Intruded! System has halted." the next time you start your computer?

The case has been opened

A technician has determined that a laptop keyboard will need to be removed in order to replace the laptop's CPU cooling fan. Which of the following steps will most likely be required before the technician can remove the keyboard from the laptop?

The keyboard cable(s) will need to be disconnected from the ZIF socket(s) The keyboard bezel will need to be removed.

Gina is upgrading your computer with a new processor. She installs the processor into your motherboard and adds the cooling system. She powers up the computer, and it begins to boot but then shuts down. What could be the cause of this problem?

Thermal paste was not used

When installing a SATA hard drive, is it false that you need to move the jumpers on the back of the drive to instruct the computer on which hard drive is the bootable drive?

True

After installing the processor and reassembling the computer, the system begins the boot process and suddenly turns off before completing the boot.

Turn everything off, unplug the power cord, press the power button to drain the power, open the case, and verify that the cooler is securely seated and connected.

You decide to add three new hard drives to your computer so that you can increase the amount of storage on it. When you install the hard drives, you find enough SATA connections on the motherboard, but it is short one SATA power connector. What is the easiest way to add a SATA power connector to the system?

Use a Molex to SATA power adapter.

Phil wants to add a new video card, and he is sure the power supply is sufficient to run the new video card. But when he tries to locate the power connector for the new video card, he does not find a 6-pin PCI-E power connector. He has several extra cables for hard drive power cables from his power supply that he is not using. What is the least expensive way for Phil to power his video card?

Use a SATA to 6 pin PCI-E adapter

What are two resources that may be useful in disassembling a laptop computer?

User manual Service manual

James added a new video card and needs to get a power supply that will have enough power to run the new card. When researching the new power supply, what feature does James need to look for to make sure he has enough power to run his computer with the new video card?

Wattage

Your customer wants to build a new computer and needs to make sure he orders the correct power supply for his machine. What should you tell him to check to make sure he orders the correct power supply? (Select all that apply.)

Wattage requirements Form factor Number of hard drives Video requirements

When is it okay to touch the inside of a computer that is turned on?

When using a multimeter to measure voltage output

What two technologies below are fully-implemented, 64-bit processors for use in servers and workstations?

Xeon Itanium

What is the very first step that should be taken when performing work with a computer?

You should back up any important data

When handling a motherboard, cards, or drive, which statement is NOT accurate?

You should not hold expansion cards by the edges.

What type of socket ensures that even force is applied when it is being installed in the socket?

ZIF

When you build a computer from parts, you usually start by deciding on which two parts listed below?

processor motherboard

What two different passwords can be set to lock down a computer from unauthorized access?

supervisor password user password

Hybrid processors that can process 32 bits or 64 bits are known by what term?

x86-64