Chapter 1 test practice

What type(s) of port transmits both digital audio and digital video with a single connector? (Select 2) a) DVI b) Display port c) SPIDF d)HDMI e)VGA

B) display port d) HDMI

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) PSU b) PCIe c) DIMM d) HDD

a) PSU

What acronym is another name for static electricity, which can damage chips and destroy motherboards? a) CRT b) LCD c) ESD d) EMI

c) ESD

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

c) When using a multimeter to measure voltage output

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

a) 24-pin

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) Clean the keyboard keys with a contact cleaner. b) Disconnect and reseat the keyboard ribbon cable. c) Replace the laptop system board and reseat all connections. d) Replace the keyboard with a compatible keyboard.

a) Clean the keyboard keys with a contact cleaner.

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)Docking station b)Expansion card c)ZIF connector d)Port replicator e)USB to RJ-45 dongle

a) docking station d) port replicator

What are two resources that may be useful in disassembling a laptop computer? Choose two. a) User manual b) part brochures c) diagnostic software d) service manual

a) user manual d) service manual

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

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

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

a)the keyboard bezel will need to be removed c) the keyboard cables will need to be disconnected from the ZIF sockets.

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 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.

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

What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged capacitors? Choose two. a) video card b) power supply c) monitor d) hard drive

b) power supply c) monitor

Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations? Choose two. a) 8+1-pin b)8-pin c)6-pin d)4-pin

b)8-pin c)6-pin

How many pins are on older serial ports, such as those used to directly connect a router to a device a technician can use to monitor and manage the router? a) 15 b) 6 c) 9 d) 25

c) 9

What two different types of firmware may be used on motherboards? Choose two. a) CMOS b) CEFI c) BIOS d) UEFI

c) BIOS d) UEFI

Which statement is NOT a good practice when working inside a computer case? a) Don't touch the inside of a computer that is turned on. b) Remove loose jewelry. c) Don't touch a microchip with a magnetized screwdriver. d) Be sure to hold expansion cards by the edge connectors.

d) Be sure to hold expansion cards by the edge connectors.

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

d) Has a heat sink on the PCIe slots

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? a) P1 connector b) SATA connector c) PCIe connector d) Molex connector

d) Molex connector

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

d) POST card

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

d) Power down the system and unplug it

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

d) You should back up any important data.

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

d) You should not hold expansion cards by the edges.

Which component may be considered a field replaceable unit or FRU? a) Hard drive b) Power supply c) LCD screen d) Motherboard e) all of these

e) all of these

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

rj-45