Ch 2 PC Main

When disassembling a computer, it's okay to stack circuit boards on top of each other as long as you follow ESD protection rules. True False

What diagnostic software is used by several manufacturers, and can run tests on keyboards, video, speakers, touchpad, optical drives, wireless LANs, motherboard, processor, ports, hard drive, and memory? PC-Fixit DiagNow WinScan PC-Doctor

What do you call a connector on a motherboard that consists of pins that stick up from the board? pin array header jumper socket

What is the very first step that should be taken when performing work with a computer? You should back up any important data You should ground yourself You should power down the system and unplug it. The components should be removed

What is the second step in opening the case of a working computer? press and hold down the power button for a moment power down the system and unplug it open the case cover back up important data

Which statement is NOT a good practice when working inside a computer case? don't touch a microchip with a magnetized screwdriver remove loose jewelry be sure to hold expansion cards by the edge connectors don't touch the inside of a computer that is turned on

The motherboard sits on elevated screw holes or spacers to keep it from touching the case. True False

When is it okay to touch the inside of a computer that is turned on? When disassembling the computer When using a multimeter to measure voltage output When a qualified electrician is present When reassembling the computer

What does a small triangle embedded on a connector signify? the wire nearest the triangle is pin 1 the connector is optional and need not be attached use caution when using the connector the pin near the triangle should be matched with a circular pin

When handling motherboards, cards, or drives, which statement is NOT accurate? You should not touch edge connectors You should not touch any soldered components on a card You should not hold expansion cards by the edges You should not touch chips on the device

What should be done after reassembling a laptop, but before installing the battery or AC adapter? Press the power button to drain any electricity in the system Remove the keyboard so that you can test proper voltage on the motherboard once the battery and/or AC adapter are reconnected. Attack ESD strap alligator clip to a different grounding source Gently shake the laptop to ensure nothing is loose inside of the case

Which component may be considered a field replaceable unit (FRU)? LCD screen power supply hard drive All of the above

A system always needs the 4-pin auxiliary power connector, and sometimes needs the P1 connector as well. True False

What are round plastic or metal pegs that separate the motherboard from the bottom of the case known as? standoff elevator insulator header

Which of the following statements regarding working inside a laptop computer is true? When upgrading a laptop, you should use components that are the same brand as the laptop, or use only recommended components. If an internal component needs replacing, you should always replace the component rather than disable it. Repairing a laptop is always more cost effective than buying a new one. The LCD screen of a laptop is never considered to be a field replaceable unit.

In what order should you install components into the case after disassembling a computer? cards, motherboard, power supply, drives drives, motherboard, cards, power supply power supply, drives, motherboard, cards motherboard, drives, cards, power supply

Some boards designed to support multiple PCIe video cards will have additional power connectors on the board to power wattage-hungry cards. True False

If a ground strap is unavailable, what should be done to dissipate any ESD before working on a laptop? Touch a non-painted metallic surface on the laptop Move around prior to touching the device Wash your hands Touch any part of the laptop

Most manufacturers or retailers of laptops offer a warranty that lasts for at least how long? 90 days 3 years 2 years 1 year

Which statement is true regarding the installation of the motherboard and connecting power? you can use an adapter to convert two 6-pin connectors to a PCIe connector a 4-pin power cord supplies supplemental power to the processor the P1 connector is used for PCIe devices there are typically three screw sets that hold the motherboard to the case

Where should you clip your ESD strap when opening a computer case? the floor power supply computer case electrical outlet

Immediately after you unplug the computer from the power outlet, you're safe to begin working inside the case. True False

A system will always require what power connector? P1 power connector 4-pin auxiliary 6-pin PCIe power connector 8-pin PCIe power connector

What type of connector is not typically found on the front panel header? HDD LED Power LED+ SATA controller Power SW

When removing screws while working on a laptop, what should be done with the screws? They should be stored or labeled They should be disposed of They should be painted to indicate where they go They should be left inside the case of the laptop