Testout Exam Review
(3.3.6) Which of the following motherboard power connectors typically connect directly to the motherboard? (Select two.)
4-pin CPU power24-pin motherboard power.
(3.2.6) Which of the following voltages are provided by an ATX power supply.
5 12 3.3
(3.2.6) A computers power supply converts mains AC to low-voltage regulated DC power for the internal components of a computer. You are building a new computer. You are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply?
A dual-rail power supply provides separate rails (PCB traces) used to balance the power load between multiple circuits, which prevents any one circuit from becoming overloaded.
(3.2.6) 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.
(3.1.3) A= B= C= D= E =
A= Mini-ITX Tower B=Micro-ATX Slim Tower C= Micro-ATX Tower D= ATX Mid-Tower E= ATX Full-Tower
(3.1.3) 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
ATX mid-tower
(3.2.6) Which of the following functions does an ATX power supply perform?
Aids in thermal management.Converts AC to DC.
(3.3.6) Maintains an accurate system time and date, even when the power is off.
CMOS battery
(3.2.6) Which of the following devices use the 4-pin peripheral (Molex) connector?
Case fan PATA CD-ROM
(3.2.6) Which power supply feature helps prevent circuit overloads by balancing the current flow?
Dual rail
(3.3.6) Allows additional features and capabilities to be added to the motherboard.
Expansion slots
(3.3.6) Which of the following objects is installed between the system case and the motherboard's back I/O ports?
Faceplate
(3.3.6) Contains firmware that is used to configure motherboard settings and initialize devices
Flash memory
(3.2.6) 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?
Form factor Type and number of connectors Output wattage
(3.2.6) An employee submitted a support ticket stating that her computer will not turn on.Which of the following troubleshooting steps should you take first
Make sure the power cord is plugged into the wall.Make sure the surge protector is turned on.
(3.1.3) You want to build a computer that can stand upright on a desk and takes up the least amount of space possible.
Micro-ATX slim tower
(3.1.3) Which of the following motherboard form factors BEST allows for low-consumption power supply?
Mini-ITX
(3.1.3) Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards?
NLX
(3.3.6) Stores custom configuration settings made by the user.
Non-volatile BIOS memory
(3.3.6) Controllers communication between the CPU, memory and high-speed graphics bus.
Northbridge
(3.2.6) You are testing the power in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the red wire in +5.1 volts. What should you do?
Nothing, the power supply is working normally.
(3.2.6) 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 choice?
Output wattage Form factor Processor connector
(3.3.6) Which expansion slop is best for high-end dedicated video cards?
PCIe x16
(3.2.6) Which of the following components converts AC to DC?
Power supply
(3.3.6) Which of the following connectors are part of the system case and connect to header pins on the motherboard?(Select two)
Power switch HDD LED activity
(3.3.6) You have 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
(3.3.6) Houses the PCI bus controllers and communicates with the Super I/O controller.
Southbridge
(3.3.6) You are in the process of installing a motherboard in a mystery case. Which of the following object should you place between the motherboard and the system case?
Standoffs
(3.2.6) You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multimeter. You connect the positive lead to the yellow wire on one of the Molex connectors. Which action should you take based on the multimeter reading. (shown in the diagram)?
The power supply is failing and should be replaced.
(3.2.6) 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
Toggle the voltage switch on the power supply to the different voltage.
(3.2.6) 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.
(3.1.3) You work as the IT administrator for a small corporate network. One of the company employees needs to add an additional PCI card to the motherboard. When you open the computer, you see that the card purchased will not fit due to the cards height. Which of the following is the BEST method for using the newly purchased card?
Use a riser card to allow the new card to be installed parallel to the motherboard
(3.2.6) 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 an adapter cable to connect two 4-pin Molex connectors to the 8-pin PCIe.
(3.1.3) You decided to upgrade your PC with a faster processor. To do this, you ordered a new motherboard over the Internet that support the processor you want to use. When it arrives, you discover that the motherboard uses the Micro-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. What should you do?
Use the Micro-ATX motherboard in the ATX case
(3.2.6) 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 rating
