INTRO TO COMPUTER TECHNOLOGY MIDTERM

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

(All of the above) The LCD screen, power supply, hard drive, and motherboard.

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

Match the Optical Drive type to the amount of data the disk will hold.

4.7GB - DVD single-side dual layer 128GB - BD double-side quad layer 25GB - BD double-side dual layer 9.4GB - DVD double-side dual layer 700MB - CD 15.9GB - BD double-side single layer

Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible possible. What type of hard drive should Jessica purchase?

7200 RPM magnetic HDD

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

Keira is building a new computer and wants to make sure she as 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

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 ( video ports, PS/2 mouse and keyboard ports, multiple USB ports, and RJ-45 LAN port)

What configuration can you find for PCIe slots?

All of these (x1, x4, x8, x16)

Although Google owns ___ and manages the Google Play Store for apps, they allow any manufacturer to use and modify this operating system for their devices.

Android

Cans of compressed air, small portable compressor, or ________ cleaner to clean dust from inside a computer case

Antistatic vacuum cleaner

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

A short-range wireless technology used to connect two devices in a small personal network.

Bluetooth

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.

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

CMOS RAM

Performs most of the processing for data and instructions for the entire system

CPU (Central Processing Unit)

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

Change the boot sequence

You are trouble shooting 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.

One of the newest additions to the Windows operating system is _____, an intelligent assistant that offers users a variety of services.

Cortana

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

DDR4

The connector for memory found on a motherboard

DIMM

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.

If a computer is performing slowly due to file fragmentation, what Windows tool can be utilized to rearrange fragments?

Defrag and Optimization tool

When you no longer need a directory, you can use command ____ to remove it.

Delete

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.

Transmit digital video and audio and is slowly replacing VGA and DVI.

Display Port

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? (Select TWO).

Docking station Port replicator

Large organizations use ___ systems because they bring together many types of business functions into one software solution.

ERP (Enterprise Resource Planning)

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

ESD

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

William has been working on a problem with a computer at his company for several hours and still can't ascertain the problem. The computer will not turn on, and William has tried everything he can think of to fix the computer. He has replaced the power cord, the power supply, and even the power strip the computer is plugged into. William decides that it must be the motherboard and takes the computer to his shop to replace the motherboard on the computer. When he plugs the computer in, it turns on. The problem was not the computer—someone had turned off the switch for the wall outlet that the power strip was plugged into. Where in the troubleshooting process could William have discovered this problem? (Select all that apply.)

Establish a theory of probable clause Identify the problem Test the theory to determine cause

Which of the following is an example of spreadsheet software.

Excel

You recently installed a new RAID controller card in a PCIe expansion slot on your computer. After setting up the controller, you transfer data from the backup you created over to the computer. When you finish the setup, you turn the computer off and return it to its normal location. When you turn the computer on, you immediately receive the error message, "RAID not found." What might be the problem?

Expansion card failed or became unseated.

"Final essay", "Birthday2014", and "Attachment_3" are all examples of file extensions. (True or false)

False

If you receive a S.M.A.R.T. Error on your computer, the hard drive has failed and must be replaced in order for the system to boot. Is this statement true or false?

False

The macOS operating system has the largest market share for personal computers. (True or False)

False

The macOS operating system has the largest market share for personal computes. (True or false)

False

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

False

The most fundamental components of storage that users interact with are the:

Files

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

Flash the BIOS/UEFI

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.)

Form factor Number of hard drives Wattage requirements Video requirements

What are the two different methods for partitioning hard drives?

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

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

HDMI, DisplayPort

During normal windows operations, you receive a BSOD, and your computer shuts down. You restart the computer and receive the error again. You go online to check the error and see that it is an error related to reading data from virtual memory. What hardware might cause this BSOD error?

Hard drive

You and a friend decide to watch a movie on your computer. The movie is saved on a second hard drive on your system. When you are ready to watch the movie, you can't find it on your computer. You try to locate the second hard drive, and it is no longer listed in Windows. What might be the problem with the movie and the hard drive?

Hard drive has crashed.

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.

Draws heat away from the CPU or other heat sensitive components so that it can be dissipated quickly

Heat sink

_____is a measurement of read/write operations per second.

IOPS

A(n) _____ is a graphical representation of a file, folder, or drive.

Icon

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.

The ice lake chipset architecture (intels 9th gen) uses what socket?

LGA1151

What socket do Coffee Lake processors use?

LGA1151 version 2

Devon would like to install a new hard drive on his computer. Because he does not have a SATA port available on his motherboard, he has decided to purchase a NVME SSD hard drive. ​ How can Devon attach a NVME device to his computer? (Select all that apply.)

M.2 slot on the motherboard U.2 port on the motherboard PCIe expansion card

This morning when Paul turned on his computer at work, it would not boot. Instead, Paul reported that he heard a loud clicking noise coming from inside his computer. What might be the problem with Paul's computer?

Magnetic hard drive failed.

Sharon is troubleshooting a computer and wants to test the hard drive in another computer. Sharon removes the hard drive and notices that it does not have a SATA power connection. The connector for power is white and has four pins instead. What type of connector will Sharon need to test the hard drive in the computer she is using?

Molex connector

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

While working on your computer, you receive the POST error, "Drive Not Recognized." You check your SATA cable to see if it is the problem, and it tests fine. You remove the hard drive and test it in a computer system known to be in good working condition and find that the hard drive is working. You can move data and check to make sure the OS files are not corrupt. You use a power supply tester to see if the voltage for the SATA power connection is correct, and the test shows the power is correct. You even check BIOS to make sure the hard drive can be recognized and find that all settings in BIOS are at default, so the system should recognize the hard drive. ​ What might be the problem with your hard drive system?

Motherboard SATA port has gone bad

When you turn on your computer for the day, you notice lights and fans but no beeps and no video. The Num Lock light does not come on. What might be the problem with your computer? (Select all that apply)

Motherboard has failed Processor has failed or is not seated properly RAM is not working properly

You are installing a new hard drive in a system in which the hard drive will run at 6.0 Gbps. What can you use to determine whether the SATA port which you are connecting the drive will also run at 6.0Gbps?

Motherboard manual

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? (Select TWO)

Organize and place all parts and screws 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)

The standard for computer expansion cards

PCIe

A diagnostic program built into a computer to test the hardware components before the computer boots up

POST

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.

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 (Power Supply Unit)

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.

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

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

Processor Motherboard

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

Protocol

Keion works as a freelancer creating websites and designing logos for clients. He recently had a hard drive failure and lost work for a client, and he would like to prevent the same type problem from happening again. Keion does not want to rely on a backup but would like a way to ensure that his data is safe on his computer. You recommend that he create a RAID array that will duplicate his work onto two disks. What RAID configuration should you recommend to Keion?

RAID 1

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

RAID 1

During routine maintenance on your server, you discover that one of the hard drives and rebuild the data, you run diagnostics on the RAID controller card with no problems, so you believe you fixed problem. The next morning you arrive at work and discover that the RAID has completely failed. None of the disks are working. Your sever is still running because you installed the OS on a non-RAID disk, but all the data is missing, and the server shows that none of your RAID disks are found. What might be the problem with your server? (Select all that apply)

RAID controller Motherboard

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

George is involved with a project at work and notices that he has a pending update for his computer. George knows that updates are important, and he decides to take a break and complete the restart of the computer so that the update can install. After George restarts the computer, he notices that his AutoCAD program is running slowly. The issue continues to the point that George decides to call the technician and ask him to check what is going wrong on his computer. The technician tells George to turn the computer off and then on again and asks George how much RAM is counted. The amount of RAM is 8GB less than the amount that was installed on George's system. What hardware could be causing this problem? (Select all that apply.)

RAM Motherboard

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

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

Terry came into work and turned on his computer. During the boot process, the computer shut down. When he tried again, the computer showed the error message, OS not found. Terry called the help desk and explained the computer issue. The help desk technician asked Terry to open the computer. As a help desk technician, what would you have Terry check on his computer with the case cover removed?

SATA cable connection

What SATA standard provides a transfer rate of 3 Gb/sec?

SATA2

Tim has an old server computer that his company uses as a backup. One of the hard drives has gone bad and needs to be replaced. The cable that the hard drive uses is not one that Tim has ever seen before, so he posts a picture of it on the company collaboration board to get help in deciding what type of hard drive he will need to order. Identify the type of cable from the picture.

SCSI

Smaller connectors for memory on laptops

SO-DIMM

Often times, several office programs are bundled as a unit known as an office:

Suite

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

Supervisor and user password

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 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 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? (Select two)

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

3D modeling software is typically used by professional artists and animators who need to create three-dimensional graphics and characters for advertisements, video games, cartoons, and movies. (True or false)

True

A file path is a complete address that describes the exact location of a file. (True or False)

True

After software is acquired, it must typically be installed before it can be used. (True or false)

True

Antivirus, encryption, and file compression software are all examples of utilities. (True or false)

True

Tax preparation software allows individuals to prepare their income taxes and file electronically (e-file) with the IRS. (True or false)

True

The operating system must be loaded before any other software during a computer's boot process. (True or false)

True

The purpose of an operating system is to manage the flow of data between hardware components and allow the use to communicate with the computer. (True or false)

True

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.

Programs that are based on ____graphics rely on mathematics to generate and manipulate a variety of shapes.

Vector

A _license allows companies to install the software on multiple or all of their own machines.

Volume

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

What technology is used to assure that the logical block addressing on a solid-state drive does not always address the same physical blocks, in order to distribute write operations?

Wear leveling

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

When using a multimeter to measure voltage output

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 to the processor when it is being installed in the socket?

ZIF

All wireless technologies are turned off resulting in no transmission or reception of wireless signals.

airplane mode

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

be sure to hold expansion cards by the edge connectors

If you are adding a hard drive to a system that already has a drive with Windows installed on it, what should you do?

boot Windows and use Disk Management to prepare the new drive

What command line utility can be used to repair the BCD on a Windows installation?

bootrec

Computers that have the same operating system are said to be ___ with each other because they can support the same software.

compatible

A software-based ___ is dedicated to examining and blocking Internet traffic.

firewall

Why might you want to use a RAID 0 disk configuration?

improve overall disk performance

What process writes sector markings to a hard drive?

low-level formatting

The smaller form factor of the ATX. Its smaller size and reduced expansion ports helps reduce costs and power consumption

microATX

Many apps encourage users to make small, yet frequent purchases of in-game (or virtual) cash via a process known as a(n):

microtransaction

What type of bus does PCI use?

parallel

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

power down the system and unplug it

The purpose of ____ software is to keep you, your computer, and your personal information safe from a variety of threats.

security

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

service and user manual

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

A(n) ____ on Android provides automatically-updating information without the need to open an app.

widget