ITC 235 Test 1

How many pins did the first P1 power connector to the motherboard have that was used with the original ATX?

20 pins

List six types of power connectors on a standard ATX power supply.

20-pin P1 connector, 24-pin P1 connector, 20+4-pin P1 connector, 4-pin 12-V connector, 8-pin 12-V connector, Molex connector

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

What is the maximum wattage that a PCIe Version 2.0 expansion card can draw?

300 watts

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

32 GB/sec

What type of power connector on the motherboard was introduced with PCIe Version 1.0? How much power does this connector provide?

6-pin PCIe connector and 75 watts

What type of power connector was introduced with PCIe Version 2.0? How much power does this connector provide?

8-pin PCIe connector and 150 watts

What type of memory module is used in a desktop computer? laptop?

A desktop has DIMM slots to hold memory modules while laptops use a SO-DIMM

What are the three most popular form factors used for motherboards?

ATX, microATX, and Mini-ITX

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

After Windows successfully boots without errors.

If you are building a computer repair toolkit, which tools would you purchase first if you could not afford the entire set of tools?

An ESD strap, Flathead screwdriver, Phillips-head or crosshead screwdriver, Torx screwdriver set size T15, Tweezers, and Software.

Why is the service manual so important to have when you disassemble a laptop?

Because unlike desktops laptop manufacturers create their own computer cases, buses, cables, connectors, drives, circuit boards, fans, and screws.

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

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.What is the next step in resolving the issue of sticking keys?

Clean the keyboard keys with a contact cleaner.

What two different DIMM technologies below can be used in a quad channel configuration?

DDR3 and DDR4

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

DIMM and SO-DIMM

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.

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

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

You are researching RAM for a computer you are building that will be used as a home office server for a small business. The company requires that you use the type of RAM that is recommended for servers. This RAM has added protection that will help prevent the computer from crashing if a memory error occurs. What type of RAM should you purchase?

ECC

True or False-Has a heat sink on the Pile slots

False

While upgrading to a new processor Gina installed the processor onto your motherboard and added the cooling system. Gina powers up the computer. The computer begins to boot and then shuts down. What is the most likely cause of this problem?

Forgot the thermal paste

Which partitioning method must be used for partitioning a 4 TB hard drive?

GPT

What are the two different methods for partitioning hard drives?

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

What type(s) of port transmits both digital audio and digital video with a single connector?

HDMI and DisplayPort

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 connection worked properly before the user left your office. The user states she rebooted the computer several times but the problem still persists.What 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.

Henry is having a problem with the electrical system on his current laptop. The battery for the laptop will not charge. Henry took the AC adapter and battery from another laptop that is known to work, and put them in his current laptop, but still the battery will not charge.What possible actions can Henry take to make his laptop usable?

He can replace the laptop system board and use the laptop only when it's connected to the power using the AC adapter.

What are two reasons you might decide to flash BIOS?

If the BIOS update is interrupted or the update creates errors

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 is the purpose of a POST diagnostic card?

It is used for discovering and reporting computer errors that happen after the computer is turned on but before the operating system is launched.

Explain how a loopback plug works.

It is used to test a network port in a computer or other device to make sure the port is working, it could potentially test the speed too. You can tell that both the port and network cable are working when the lights on either side of the port are lit.

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

Itanium and Xeon

The Kaby Lake and Skylake chipset architecture (Intel's 6th and 7th generation) uses what socket?

LGA1151

What socket do Coffee Lake processors use?

LGA1151 version 2

Why are laptops usually more expensive than desktop computers with comparable power and features?

Laptops are usually more expensive because they use less power, take up less space, and are meant to be moved around.

When installing the front panel wires to the motherboard front panel header, how do you know which pins to use for each wire if the pins on the header are not labeled?

Look in the user guide if not there then guessing is okay, when connecting a wire to a front panel header.

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

Mixing unbuffered with registered

What wireless technology is used when two smart phones in close proximity exchange contact information?

Near Field Communication

When installing a motherboard, suppose you forget to connect the wires from the case to the front panel header. Will you be able to power up the system? Why or why not?

No, you will not because that is where the power is running to. Without the power being connected to the front panel it can't start.

You are reviewing new RAM modules to be purchased for a memory upgrade on a gaming computer and have found three different RAM modules that match the characteristics of the currently installed modules except CAS Latency. Option A lists the CL as 18 ns, Option B lists the CL as 20 ns and Option C lists CL as 15 ns. Which option would work best for a gaming computer?

Option C

What type of bus is used by Express Card slots?

PCI Express Connector

If you are installing an expansion card into a case that does not have enough clearance above the motherboard for the card, what device can you use to solve the problem?

PCI Riser Cards

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

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. What will allow the user to disconnect and reconnect the laptop to the external connections with the least amount of effort?

Port replicator and a docking station

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

Possible damage to both the processor and the 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

What is the connector called on a network cable that connect to an ethernet port?

Rj-45

What technology standard is commonly used today for hard drives to interface with the motherboard in a system?

SATA

Jenny is working on a laptop computer and has noticed that the computer is not running very fast. She looks and realizes that the laptop supports 8 GB of RAM and that the computer is only running 4 GB of RAM. Jenny would like to add 4 more GB 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 DDR 3

What is the purpose of raised screw holes or standoffs installed between the motherboard and desktop case?

So that the bottom of the board does not touch the case

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

Supervisor password 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 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.

Which chip on the motherboard does Windows Bitlocker Encryption use to secure the hard drive?

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.

When a laptop internal device fails, what three options can you use to deal with the problem?

Take the computer to a service center for repair, Trade a external component for an internal one, replace the internal component

Yesterday you installed a new game on your computer. When you went to run the computer, you noticed that the application was running very slow. After you exit the game and restart the game you receive an error that displays "Insufficient memory or disk space". You check your hard drive and have over 250 GBs of free space. What should you check next in Task Manager?

The amount of RAM available

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) and the keyboard bezel will need to be removed.

How is the best way to determine if a cable inside a computer is a data and instruction cable or a power cable?

The power cable connects to the power supply and the data and instructions cable connects to the motherboard.

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

The processor and motherboard.

What is the purpose of an expansion slot on a motherboard?

The purpose of an expansion slot is for it to be used by expansion cards. The expansion card provides more ports than the motherboard originally had.

List four types of computer repair tools and explain what they are used for.

Tweezers are used for picking up pieces of paper out of printers or dropped screws out of tight places. ESD Strap is used for protection against electrostatic discharge, multimeter is used to check cables and power supply output. Phillips-head or crosshead screwdriver is used to put on or remove screws from the device.

List six types of video ports.

VGA port, DVI port, HDMI, DisplayPort, Thunderbolt 3 port, and DVI-D

Check My Work 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

Describe how you can access the BIOS setup program.

You can access it by pressing a key or a combination of keys during the boot process. On some laptops you press a button on the side of the laptop. For most motherboards you would press F12, F2, or Del while it was booting. Once you have pressed the correct buttons or keys a screen appears with menus and help features.

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

ZIF

Analog Video

continuous signal with infinite variations

two processor sockets on the motherboard

dual processors

multiple processors installed in the same processor housing

multicore processing

two processing units installed within a single processor

multiprocessing

handle and switch between multiple instruction sets

multithreading

What can you do if the power

on password and the supervisor password to a system have been forgotten?-Jumpers 2 and 3 need to be closed, passwords to BIOS/UEFI setup can be cleared on the next boot.

What is the purpose of the 4

pin Molex connector?-Its purpose is to provide extra power to video cards, it can provide +5 V and +12 V to the device

What type of expansion slot requires extra power so that 4 more pins had to be added to the older 20

pin P1 power connector on the motherboard?-PCIe

What is the purpose of the 4

pin auxiliary connector on a motherboard?-Its purpose is to give extra 12-V power to the processor

What should be the setting for a dual

voltage selector switch on a power supply when using the computer in the United States?-In the U.S. it would be 115 V

What configuration can you find for PCIe slots?

x1, x4, x8, x16