Computer Architecture: Chapter 1

Which power cable usually connects the power supply to the motherboard in the order to provide power to multiple components that are also connected to the motherboard? a) 20+4 pin P1 b) 4+4 pin 12-V c) Molex d) SATA

20+4 pin P1

How many pins are in the power supply connector that is typically used on most motherboards today? a. 20-pin b. 24-pin c. 8-pin d. 15-pin

24-pin

How many pins are used in a serial port? a) 15 b) 6 c) 25 d) 9

25

Which connection type can support Gigabit Ethernet? a) RJ-45 b)Network port c) Ethernet port d) All of the above

All of the above

What kind of electrical current comes out of a wall outlet? a) Resistant current b) Alternating current c) Direct current d) Static current

Alternating current

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

Be sure to hold expansion cards by the edge connectors.

Which of these components does not connect directly to the power supply? (Select all that apply) a) Motherboard b) Hard disk drive c) Case fans d) CPU fans

Case fans CPU fans

What class of fire extinguisher is rated to put out electrical fires?

Class C

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 key tops, it becomes apparent that a liquid was spilled into the keyboard. Which of the following is the next step in resolving the issue of sticking keys? a) Replace the keyboard with a compatible keyboard. b) Disconnect and reseat the keyboard ribbon cable. c) Clean the keyboard keys with a contact cleaner. d) Replace the laptop system board and reseat all connections.

Clean the keyboard keys with a contact cleaner.

Which of the following are true about DVI and HDMI technology? (Select two.) a) DVI can transmit video in either digital or analog. b) DVI can transmit audio data. c) HDMI can transmit audio data. d) HDMI can transmit video in either digital or analog.

DVI can transmit video in either digital or analog. HDMI can transmit audio data.

Which of these ports transmits digital video? (Select two.) a) DisplayPort b) S/PDIF c) VGA d) DVI

DisplayPort DVI

What type(s) of port transmits both digital audio and digital video with a single connector? Select all that apply. a. DisplayPort b. DVI c. HDMI d. VGA e. SPDIF

DisplayPort HDMI

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). a) Provide the customer with a laptop to use while the failing unit is being repaired. b) Document and label the location of the screws and cables before removing them. c) Compare the system board display connections with a properly functioning laptop. d) Organize and place all parts and screws and in one place. e) Charge the laptop battery pack so it is ready to return to the customer with a full charge.

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

What feature do you need on a computer if you want to take it with you on vacation to another continent? a) Expansion card b) Dual-voltage selector switch c) Cable lock d) Dual inline memory module

Dual-voltage selector switch

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

ESD

Besides an ESD strap, what other devices can help you protect from ESD?

Ground Mat and Antistatic Bag

Which statement is NOT true regarding motherboards? a) Also called a system board. b) Has a CPU socket. c) Has a heat sink on the PCIe slots. d) Has slots for DIMMs.

Has a heat sink on the PCIe slots

Which statement is NOT true regarding motherboards? a. Has a CPU socket b. Has slots for DIMMs c. Has a heat sink on the PCIe slots d. Also called a system board

Has a heat sink on the PCIe slots

A user called to inform you that the laptop she purchased yesterday is malfunctioning and will not connect to the 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

A user called to inform you that the laptop she purchased yesterday is malfunctioning and will not connect to her wireless network. You personally checked to verify that the wireless connection 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? a) Inform the user she will need to return the laptop so you can replace the internal Wi-Fi card and verify wireless functionality. b) Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network. c) Instruct the user on how to reseat the internal mini-PCIe wireless adapter and try to connect to the wireless network. d) Ask the user to turn on the laptop's airplane mode and attempt to reconnect to the wireless network.

Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network.

Some parts inside an all-in-one computer look very similar to laptop parts, while other parts are the same as those used inside a desktop computer. Of the parts listed here, which one are you most likely to find in any of the three types of computers (laptops, desktop, and all-in-one) without any variation in size, shape, or functionality? a) Internal SSD b) SATA DVD drive c) 2.5" HDD d) 3.5" HDD

Internal SSD

Which of the following is a difference between memory and storage? a) Memory holds data and programs; storage holds data and instructions. b) Memory is stored on optical drives; storage is stored on a solid-state drive. c) Memory is temporary; storage is permanent. d) Nothing; they are essentially the same thing.

Memory is temporary; storage is permanent.

Which PS/2 connector is green?

Mouse

What other tool might you have been able to use to test the power going to the DVD Drive? a) Multimeter b) Network cable tester c) GFCI outlet tester d) Cable crimper

Multimeter

What other tool might you have been able to use to identify matching ends for each Ethernet cable? a) Cable crimper b) Power supply tester c) Network cable tester d) GFCI outlet tester

Network cable test

This laptop's wireless card plugs into a mini-PCIe slot on the system board. In a desktop computer, what kind of motherboard slot would a wireless card typically plug into? a) PCIe b) AM3+ c) PCI d) DIMM

PCIe

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? a) Power supply tester b) Service manual c) POST card d) OS diagnostic programs

POST card

What is the component called that usually has a dual-voltage selector switch and has cables that connect to the motherboard and internal components? a. PCIe b. HDD c. DIMM d. PSU

PSU

To connect an analog microphone, which color port would you use?

Pink

Molly, an end user, connects an external monitor, external keyboard and mouse, and a wired network cable to her laptop while working in the office. She leaves the office frequently to meet with customers and takes the laptop with her. 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). a) USB to RJ-45 dongle b) Expansion card c) ZIF connector d) Port replicator e) Docking station

Port replicator Docking station

You disassemble and reassemble a desktop computer. When you first turn it on, you see no lights and hear no sounds. Nothing appears on the monitor screen. What is the most likely cause of the problem? a) A memory module is not seated properly in a memory slot. b) You forgot to plug in the monitor's external power cord. c) A wire in the case is obstructing a fan. d) Power cords to the motherboard are not connected.

Power cords to the motherboard are not connected.

What is the second step in opening the case of a working computer? a) Back up important data b) Press and hold down the power button for a moment c) Power down the system and unplug it d) Open the case cover

Power down the system and unplug it

Coin-cell batteries are often used to power small devices such as watches and small toys. It's obviously not capable of powering the entire all-in-one computer. So what is it used for here? a) Gives the user a few minutes during a power outage to save her work and shut down the computer. b) Powers the optical drive ejection mechanism so a user can remove a DVD even when the computer is shut down. c) Powers a small amount of RAM so the computer will retain motherboard setting, such as the time and date. d) Powers a small fan in the computer to keep it from overheating.

Powers a small amount of RAM so the computer will retain motherboard setting, such as the time and date.

You purchase a new desktop computer that does not have wireless capability, and then you decide that you want to use a wireless connection to the Internet. What are the two least expensive ways (choose two) to upgrade your system to wireless? a) Trade in the computer for another computer that has wireless installed. b) Purchase a second computer that has wireless capability. c) Purchase a wireless expansion card and install it in your system. d) Purchase a USB wireless adapter and connect it to the computer by way of a USB port.

Purchase a wireless expansion card and install it in your system. Purchase a USB wireless adapter and connect it to the computer by way of a USB port.

Which of the connection types listed is used to support analog telephony? a) DB-15 b) RJ-11 c) Molex d) RJ-45

RJ-11

What is the connector called on a network cable that connects to an Ethernet port a. RJ-11 b. RJ-45 c. DB9 d. USB

RJ-45

Besides the power button, what other button on the case might the front panel wires connect to? a) LED b) Ground c) USB d) Reset

Reset

What kind of data cable is most often used to connect components inside modern desktop computers? a) SCSI b) SATA c) USB d) IDE

SATA

What kind of memory card does a laptop typically use? a) SO-DIMM b) SIMM c) HDD d) DIMM

SO-DIMM

In this computer, the optical drive and the hard disk drive provide options for long-term data storage. What's another component often included in computers for long-term storage? a) PCIe expansion card b) DIMM c) SO-DIMM d) Solid state drive

Solid state drive

If a computer system does not have a graphics card installed in a motherboard's PCIe slot, which component handles video calculations? a) The hard drive and memory cards b) The CPU or a chip on the motherboard c) The optical drive d) The solid-state drive or the memory cards

The CPU or a chip on the motherboard

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.) a) The keyboard backlight will need to be toggled off by using the appropriate Fn keys. b) The keyboard cable(s) will need to be disconnected from the ZIF socket(s). c) The keyboard cable will need to be disconnected from the mini-PCIe slot. d) The keyboard bezel will need to be removed. e) The technician will need to remove the display assembly and system board.

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

Why do you have to use a different POST card for desktops and laptops? a) Laptops have fewer expansion slots. b) Their expansion slots are different sizes. c) Laptops have different kinds of boot errors than desktops do. d) Desktops use DIMMS while laptops use SO-DIMMS.

Their expansion slots are different sizes.

Select the port type that is capable of delivering power, data, and video over a single connection: a) FireWire b) eSATA c) Thunderbolt d) S/PDIF

Thunderbolt

Why do the USB 3.0 ports need a power cable?

USB 3.0 transfers increased levels of power.

When is it okay to touch the inside of a computer that is turned on? a) When reassembling the computer b) When a qualified electronics expert or electrician is present. c) When using a multimeter to measure voltage output. d) When disassembling the computer.

When using a multimeter to measure voltage output.

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

You should back up any important data.

When handling a motherboard, cards, or drive, which statement is NOT accurate? a) You should not touch chips on the device. b) You should not touch edge connectors. c) You should not touch any soldered components on a card. d) You should not hold expansion cards by the edges.

You should not hold expansion cards by the edges.

Which of these ports listed is the fastest? a) IEEE 1394 b) USB2.0 c) FireWire d) eSATA

eSATA