CPT-209 Chapter 1 Review

What is the component that usually has a dual-voltage selector switch and has cables that connect to the motherboard, powered components, fans, and attached drives?

PSU

In a cellular network, each cell is controlled by a tower, called a _______________. (two-word answer)

base stations

Where should you clip your ESD strap when opening a computer case?

computer case

What factors should a support technician consider when working on a laptop that DIFFERS from a desktop?

customized installation of the OS that is unique

When planning the removal of several components from a computer a technical support specialist should draw a __________ of all cable connections to the motherboard, expansion cards, and drives. (one-word answer)

diagram

The ______________ port is an older port used by routers for management and configuration purposes.

serial

keeps the motherboard from touching the case

spacer

a short-range wireless technology used to connect two devices in a small personal network

Bluetooth

a type of memory slot found on a motherboard

DIMM

transmits digital video and audio and is slowly replacing VGA and DVI

DisplayPort

Both DVI and HDMI ports can transmit digital or analog video.

False

Positive LED controls the power light and indicates that power is on.

Power LED+

Negative LED controls the power light.

Power LED-

a smaller type of memory slot typically used for laptops

SO-DIMM

What are two resources that may be useful in disassembling a laptop computer?

Service manual & User manual

A 4-pin power cord supplies supplemental power to the processor

True

A laptop's warranty often applies to all components in the system, but it can be voided if someone other than an authorized service center services the laptop.

True

What is the very first step that should be taken when performing work with a computer?

You should back up any important data.

a type of connector that must be lifted up in order to be disconnected

ZIF connector

a computer is said to be in this mode when all wireless technologies are turned off

airplane mode

also called the processor, or microprocessor does most of the processing of data andinstructions for the entire system

central processing unit (CPU)

The ______________ is most common pointing device on laptops. (two-word answer)

touchpad

What should be done after reassembling a laptop, but before installing the battery or AC adapter?

Gently shake the laptop to ensure nothing is loose inside of the case

Controls the drive activity light on the front panel.

HDD LED

How many pins are in the power supply connector that is typically used on most motherboards today?

24

How many pins are used in a parallel port, also known as an LPT port?

25 pins

Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations?

8-pin, 6-pin

How many pins are used in a serial port?

9

Which statement is NOT a good practice when working inside a computer case?

Be sure to hold expansion cards by the edge connectors.

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 keytops, it becomes apparent that a liquid was spilled into the keyboard. Which of the following is the next (best) step in resolving the issue of sticking keys?

Clean the keyboard keys with a contact cleaner.

a type of memory slot found on a motherboard

DisplayPort Data Form

An end-user, connects an external monitor, external keyboard and mouse, and a wired network cable to her laptop while working in the office. They leave the office frequently to meet with customers and takes the laptop with them. Disconnecting and reconnecting these external connections has become inconvenient. Which of the following devices will allow the user to disconnect and reconnect the laptop to the external connections with the least amount of effort? (Select TWO)

Docking station, Port replicator

What acronym is another name for static electricity, which can damage chips and destroy motherboards?

ESD

Positive wires connecting the front panel to the motherboard are usually white or color striped.

False

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

HDMI, DisplayPort

A user called to inform you that the laptop they purchased yesterday is malfunctioning and will not connect to thier wireless network. You personally checked to verify that the wireless worked properly before the user left your office. The user states she rebooted the computer several times but the problem still persists. Which of the following 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.

What connector has 4 pins, is used for older IDE drives and some SATA drives, and can provide +5 V and +12 V power outputs?

Molex connector

A technician needs to service a laptop computer that is experiencing an intermittent problem with the display. Which of the following will be most effective at helping the technician complete the work in a timely and efficient manner? (Select TWO)

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

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

PC-Doctor

a slot used for expansion cards or video cards on a motherboard

PCIe

a series of tests performed by the startup UEFI/BIOS when you first turn on a computer

POST

What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system is launched.

POST card

Controls power to the motherboard; must be connected for the PC to power up.

Power SW

What is the second step in opening the case of a working computer?

Power down the system and unplug it

What is the connector called on a network cable that connects to an Ethernet port?

RJ-45

Switch used to reboot the computer.

Reset SW

What audio port connects to an external home theater audio system, providing digital audio output?

S/PDIF

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? (Select TWO)

The keyboard cable(s) will need to be disconnected from the ZIF socket(s)., The keyboard bezel will need to be removed.

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

What two different types of firmware may be used on motherboards?

UEFI, BIOS

When is it okay to touch the inside of a computer that is turned on?

When using a multimeter to measure voltage output

a connector on the motherboard that allows the insertion of a card

expansion slot

Programs and data that are stored on a motherboard are referred to by what term?

firmware

a connector on a motherboard that consists of pins that stick up from the board

front panel header

draws heat from the CPU and pipes it to a fan, which then blows heat out of the case

heat sink

reduces the total cost of a system by reducing the number of expansion slots onthe motherboard

micro-ATX

What two devices in a computer should never be opened, due to risks involving charged capacitors?

monitor, power supply

Some processors have heavy cooling assemblies installed on top of them. For these systems, it is best to remove the cooler before you take the ___________ out of the case.

motherboard

What general-purpose tool can measure characteristics of electricity in a variety of devices? Some can measure voltage, current, resistance, and continuity.

multimeter

After you unplug the computer, press the _____[a]_____ button for about three seconds to completely drain the power supply. (one-word answer) Sometimes when you do so, you'll hear the _____[b]_____ quickly start and go off as residual power is drained.

power, fans

a document from the manufacturer that describes how to disassemble a device

service manual

When performing technical support on a laptop: Before contacting technical support, have the laptop model and _________ number ready.

star Review 1-2c Special Considerations When Supporting Laptops

Which component may be considered a field replaceable unit (FRU) in a laptop?

star Review 1-2d Working Inside a Laptop Computer

A computer system will always need the main _____ power connector. (two-character answer)

star Review 1-1b Step 2: Opening the Case

What does a small triangle embedded on a connector signify?

the wire nearest the triangle is pin 1

A _____[a]_____ case sits upright and can be as high as two feet and has room for several drives. (one-word answer) A _____[b]_____ case lies flat and sometimes serves double-duty as a monitor stand. (one-word answer)

tower, desktop