Test Out Chapter 3: System Components

Which of the following motherboard power connectors typically connect directly to the motherboard? (Select two) a. 24-pin motherboard power b. Power on/off switch c. 4-pin CPU power d. 6-pin CPIe power e. SATA power

24-pin motherboard power and 4-pin CPU power.

Which of the following voltages are provided by an ATX power supply? (Select three) a. 7 b. 3.3 c. 24 d. 9 e. 5 f. 12

3.3, 5, and 12

You have a motherboard that used a 24-pin ATX connector. Which types of power supply could you use with this motherboard? (Select two) a. A power supply with 20-pin ATX and 6-pin connector. b. A power supply with 20-pin ATX connector only. c. A power supply with 20-pin ATX and a Molex connector. d. A power supply with 20-pin ATX and a +4-pin connector. e. A power supply with 24-pin ATX connector only.

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

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

ATX mid-tower

Maintains an accurate system time and date, even when the power is off.

CMOS battery

Which of the following functions does an ATX power supply perform? (Select two) a. Converts AC to DC. b. Protects against power spikes. c. Supplies backup power. d. Aids in thermal management. e. Provides 110 volts to internal components.

Converts AC to DC and Aids in thermal management.

Which power supply feature helps prevent circuit overloads by balancing the current flow? a. Dual rail. b. Alternating current conversion to direct current. c. Automatic voltage switch. d. Cooling fans.

Dual rail.

Allows additional features and capabilities to be added to the motherboard.

Expansion slots

Which of the following objects is installed between the system case and the motherboards back I/O ports? a. Standoffs d. Heat spreaders c. Fan d. Faceplate

Faceplate

Contains firmware that is used to configure motherboard settings and initialize devices.

Flash memory

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? (Select three) a. Form factor b. Output voltage c. Input voltage d. Processor connector e. Output wattage

Form factor, processor connector, output wattage

An employee submitted a support ticket stating that her computer will not turn on. Which of the following trouble shooting steps should you take first? (Select two) a. Make sure the surge protector is turned on. b. Make sure the power cord is plugged into the wall. c. Open the computer and replace the power supply. d. Use a multimeter to test the power supply. e. Make sure the keyboard and mouse are plugged in.

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

You want to build a computer that can stand upright on a desk and takes up the least amount of space possible. Which case type should you select? a. ATX mid-tower b. Mini-ITX tower c. HTPC d. Micro-ATX slim tower

Micro-ATX slim tower

Which motherboard form factor allows for low-consumption power supplies? a. EATX b. NLX c. MicroATX d. Mini-ITX

Mini-ITX

Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion slots? a. NLX b. ATX c. BTX d. Micro-ATX

NLX

Stores custom configuration settings made by the user.

Non-volatile BIOS memory

Controls communication between the CPU, memory, and high-speed graphics bus.

Northbridge

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 +5.1 volts. What should you do? a. Replace the power supply. b. Disconnect all devices drawing power from the power supply before testing it. c. Nothing, the power supply is working normally. d. Switch the voltage selector on the back from 230 VAC to 110 VAC.

Nothing, the power supply is working normally.

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. (Select three) a. Output wattage b. Input voltage c. Output voltage d. Form factor e. Type and number of connectors

Output wattage, Form factor, and Type and number of connectors.

Which of the following devices uses the 4-pin peripheral (Molex) connector? (Select two) a. PATA CD-ROM b. Solid state drive c. Case fan d. SATA hard disk drive e. CPU

PATA CD-ROM and Case fan

Which expansion slot is best for high-end dedicated video cards? a. PCIe x16 b. PCI-X c. AGP d. PCIe x1

PCIe x16

Which of the following components converts AC to DC? a. Voltage regulator b. Surge protector c. UPS d. Power supply

Power supply

Which of the following connectors are part of the system case and connect to header pins on the motherboard. (Select two) a. 24-pin ATX power b. Power switch c. SATA power d. 8-pin EPS 12V e. HDD LED activity

Power switch and HDD LED activity

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? a. Install the processor. b. Replace the VRM. c. Edit the BIOS to allow quad-core CPUs. d. Read the motherboard documentation to identify which processors are supported. e. Configure jumpers on the motherboard to allow 4 CPU cores.

Read the motherboard documentation to identify which processors are supported.

Houses the PCI bus controllers and communicates with the Super I/O controller.

Southbridge

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? a. Fans b. Heat spreaders c. Support manual d. Standoffs e. Passive heat sink

Standoffs

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 of 10.24? a. Continue using the power supply until the voltage on the yellow wire drops to less than 9 volts. b. Keep using the power supply but stop using that particular Molex connector. c. The power supply is failing and should be replaced. d. Switch the voltage selector on the back of the power supply to 230 volts AC.

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 a 110 V AC, but the electricity in London uses 230 V AC. Which of the following would allow your computer to be able to run on 230 V AC? a. Edit the BIOS and modify the input setting. b. Toggle the voltage switch on the power supply to the different voltage. c. Purchase a voltage converter and plug your computer into the converter box. d. Purchase a new power supply that is compatible with 230 V AC.

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

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? a. Use the switch on the power supply to switch from 110 to 220 volts. b. Upgrade to a power supply that uses more volts. c. Remove the RAID array. d. Upgrade to a power supply that provides more watts.

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? a. Connect the 8-pin processor cable to the video card. b. Purchase a new video card that does not require a power connector. c. Purchase a new power supply with the necessary connector. d. Use an adaptor cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector.

Use an adaptor to connect two 4-pin Molex connectors to the 8-pin PCIe connector.

You decided 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. You 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.

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? a. AC voltage rating b. DC voltage rating c. Resistance rating d. Watt rating

Watt rating