3.1-3.4 test out exam

Which of the following motherboard connectors typically connect directly to the motherboard?

-24-pin motherboard power -4-pin CPU power

Which of the following voltages are provided by an ATX power supply

-3.3 -12 -5

You have a motherboard that uses a 24-pin ATX connector. Which types of power supply could you use with this motherboard?

-A power supply with a 20-pin ATX and a +4 pin connector -A power supply with a 24-pin ATX connector only.

What should you do (if possible) before updating the UEFI firmware?

-Connect the computer to a UPS -Backup existing UEFI settings.

Which of the following functions does an ATX power supply perform?

-Converts AC to DC -Aids in Thermal Management

You need to replace the power supply in your home desktop computer. As you choose the replacement power supply, which of the following specifications are the most likely to affect your choices?

-Form Factor -Output Wattage -Processor Connector

Which of the following connectors are part of the system case and connect to header pins on the motherboard?

-HDD LED activity -Power switch

An employee submitted a support ticket stating that her computer will not turn on. Which of the following troubleshooting steps should take first?

-Make sure the surge protector is turned on. -Make sure the power cord is plugged into the wall.

Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards?

-NLX

You need to replace the power supply in your home desktop computer. Which of the following specifications are the most likely to affect your power supply choice?

-Output Wattage -Type and number of connectors -Form Factor

Which of the following devices use the 4-pin peripheral (Molex) connector?

-Pata CD-ROM -Case fan

You have been using the same computer for several years. To improve performance, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you try to start the computer it beeps regularly and nothing is displayed on the screen. What should you do?

-reinstall the old processor in the new motherboard. -flash the UEFI firmware.

Match each of the motherboard components on the left with the appropriate description on the right.

1.Maintains an accurate system time and date, even when the power is off.-CMOS battery 2. Allows additional features and capalities to be added to the motherboard.-Expansion slots 3.Houses the PCI bus controllers and communicates with the super I/O controller.-Southbridge 4. Contains firmware that is used to configure motherboard settings and initialize devices. -Flash memory 5. Controllers communication between the CPU, memory, and high-speed graphics bus.

You need to purchase a case that meets the following criteria: -Compatible with most form factors -At least two external and internal bays -Good balance of size and space Which case type should you purchase?

ATX mid-tower

You have just replaced the motherboard in your computer. Your computer starts, but the hard disk light does not come on while the system is booting? What should you do?

Connect the hard disk LED to the motherboard.

Which power supply feature helps prevent circuit overloads by balancing the current flow?

Dual rail

Which of the following objects is installed between the system case and the motherboard's back I/O ports?

Face plate

You want to build a computer that can stand upright on a desk and takes up the least amount of space possible. Which type should you select?

Micro-ATX slim tower

Which motherboard form factor allows for low-consumption power supplies?

Mini-ITX

You are testing the power supply in a PC system by measuring the Voltage available on the 4-Pin Molex connector. The voltage on the red wire is a +5.1 volts. What should you do?

Nothing, the power supply is working normally.

Which expansion slot is best for high-end dedicated video cards?

PCIe x16

Which of the following components convert AC to DC

Power supply

You have a computer system with a dual-core processor. You would like to upgrade to a quad-core processor, but you don't want to replace the motherboard. Which of the following should you do first?

Read the motherboard documentation to identify which processors are supported.

A user calls to complain that her computer is behaving erratically. Some days it functions correctly, other days it crashes frequently. Sometimes, the system won't boot at all. You open the system case and notice the following -Two of the mounting screws are missing from the system hard disk drive. -The system uses memory modules from several different manufacturers with mismatched capacities. -Several capacitors on the motherboard are bulged and have a brown liquid oozing from them. -The chassis fan on the front of the case is oriented to blow air into the system.

Replace the motherboard.

After arriving at work, you turn on your computer to begin your day. Instantly, you see smoke and smell a strange odor coming from the computer. What should you do?

Shit off the system immediately

You are in the process of installing a motherboard in a system case. Which of the following objects should you place between the motherboard and the system case?

Standoffs

When you try to boot your computer, it hangs after POST. When you access the UEFI setup program, yo see that the date is several years behind and the time is set to 12:01 am.

The motherboard battery has failed.

You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multi meter. You connect the positive lead to the yellow wire on one of the Molex connectors. Which action should you take based on the mult imeter reading?

The power supply is failing and should be replaced.

Your company relocated you to their United Kingdom office in London. You brought your personal computer with you and are in the process of setting it up. Your computer was previously configured to receive 110 V AC, but the electricity in London uses 230 V AC. Which of the following would allow your computer to run on 230 V AC?

Toggle the Voltage switch on the power supply to the different voltage.

You have been using the same computer for several years. To extend its service life, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, When you start the computer, it beeps regularly and nothing is displayed on the screen and it doesn't start. What should you do first?

Update the UEFI firmware.

You have a desktop computer that uses a 250 watt power supply. You recently added a 4-disk RAID 10 array to the system and now it spontaneously shuts down. What should you do?

Upgrade to a power supply that provides more watts.

You are building a new computer from both new and used parts. The video card is a PCIe Video card that requires an 8-pin power connector. However, your power supply doesn't have an 8-pin PCIe power connector. Which solution would be the least expensive option for your system?

Use and adapter cable to connect two 4-pin molex connectors to the 8-pin PCIe connector.

You decide to upgrade your PC with a faster processor. To do this, you ordered a new motherboard over the Internet that supports the processor you want to use. When it arrives, you discover that the motherboard uses the Mini-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. What should you do?

Use the Mini-ATX motherboard in the ATX case.

A user has called to complain that her computer won't boot. It stops on the system startup screen right after the memory has been tested and displays a 301 keyboard error.

Verify that no keys are being pressed down during POST

You have a desktop computer that you want to upgrade. You add several internal components and external components. You realize that you need to ensure that your power supply can support all of the new devices. which power supply rating is used to determine this?

Watt Training

Your motherboard has two memory slots and supports a maximum of 8 GB or RAM. After installing two 4 GB modules and booting your system, you find that windows only recognizes 3.5 GB of Ram. What should you do?

upgrade to a 64-bit version of Windows.