CompTIA A+ Chapter 1 and Chapter 2 Test Review
How many pins are in the power supply connector that is typically used on most motherboards today?
24-pin or 20 + 4 pin
The PCI Express Version 4.0 can provide up to what amount of throughput with 16 lanes for data?
32 GT/sec
How many pins are used in a serial port?
9
Which statement is not true regarding motherboards?
A motherboard has a heat sink on the PCIe slots
Where must virtualization be enabled for VM software to work?
BIOS
What two types of firmware may be used on motherboards?
BIOS and UEFI
Which setting can be configured via the BIOS/UEFI screen?
Change the boot sequence
What type of port transmits digital audio and digital video with a single connector?
DisplayPort and HDMI
What acronym is another name for static electricity, which can damage chips and destroy motherboards?
ESD
What two devices in a computer should be considered "black boxes," and should never be opened due to the risk involving charged capacitors?
Monitor and Power Supply
When you build a computer from parts you usually decide on which two parts?
Motherboard and Processor
Match the following:
POST - diagnostic program built into a computer to test the hardware components before the computer boots up is called Airplane Mode - used to turn off all wireless technologies resulting in no transmission or reception of wireless signals MicroATX - smaller size and reduced expansion ports help reduce costs and power consumption CPU - performs most of the processing for data and instructions for the entire system Bluetooth - short-range wireless technology used to connect two devices in a small personal network SO-DIMM - smaller connector for memory on laptops PCIe - standard for computer expansion cards DIMM - connector for memory found on a motherboard Heat sink - draws heat away from the CPU or other heat-sensitive components so that it can be dissipated quickly DisplayPort - Transmits digital video and audio and is slowly replacing VGA and DVI ports on computers
What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer before the operating system is launched?
POST Card
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?
Port Replicator and Docking Station
What is the component called that usually has a dual voltage selector switch and has cables that connect to the motherboard and internal components?
Power Supply or PSU
What is the second step in opening the case of a working computer?
Power down the system and unplug it
Which of the following represents a method for accessing the BIOS/UEFI setup program?
Press a key or combination of keys during BIOS POST
Which motherboard slot should you install a new high end graphics card in?
Primary PCIe Slot
What is the set of rules and standards that any two entities use for communication?
Protocol
What is the connector called on a network cable that connects to an Ethernet port?
RJ-45
What should you do if you want to be able locate your laptop in the event of loss or theft and give it a command through the Internet to lock it or delete data?
Subscribe to LoJack for Laptops
What two different passwords can be set to lock down a computer from unauthorized access?
Supervisor Password and User Password
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?
The keyboard cables will need to be disconnected from the ZIF socket The keyboard bezel will need to be removed.
When is it ok to touch the inside of a computer that is turned on?
When using a multimeter to measure voltage output
What is the very first step that should be taken when performing work with a computer?
You should back up any important data
What type of socket ensures that even force is applied to the processor when it is being installed in the socket?
ZIF
What configurations can you find for PCIe Slots?
x1, x4, x8, x16, x32
Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations?
6-pin and 8-pin
At what point during the motherboard installation should you install the motherboard drivers?
After Windows successfully boots without errors
Which statement is not a good practice when working inside a computer case?
Be sure to hold the expansion cards by the edge connectors.
Where do today's computers store almost all motherboard configuration data?
CMOS RAM
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 step in resolving the issue of sticking keys?
Clean the keyboard keys with a contact cleaner.
The LGA1151 socket and the latest CoffeeLake chipset support what type of RAM?
DDR3 and DDR4
Brandon purchased a new processor online as an upgrade. When he purchased the processor, he made sure that it used the same socket his computer's motherboard used. But he did not check to see whether the motherboard chipset was compatible. What will happen if you install a processor on a motherboard that can fit the socket but is the wrong chipset?
Damage to both the processor and the motherboard
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?
Document and label the location of the screws and cables before removing them. Organize and place all parts and screws in one place.
What is a possible remedy if your system hangs at odd time or during the boot?
Flash the BIOS
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.
Motherboards may contain which of the following ports on the I/O panel?
Keyboard Mouse USB COM/Serial Video/VGA SPDIF In, SPDIF Out Speakers
What socket do CoffeeLake processors use?
LGA 1151
The Ice lake chipset uses what socket?
LGA-1151
What are two different methods for partitioning hard drives?
Master Boot Record (MBR) and GUID Partition Table (GPT)
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
What type of BUS does PCI use?
Serial
What are two resources that may be useful in disassembling a laptop computer?
Service Manual and User Manual
What must your motherboard have to use BitLocker Encryption in Windows 7 which will ensure that your hard drive cannot be used in another computer?
TPM chip
Which statement is not true regarding Coffee Lake Chipsets?
The Following IS True of Coffee Lake Chipsets: Intel Chipset 8th generation LGA 1151 socket Not backwards compatible with 7th or 6th generation processors that use the first version of LGA1151 Uses only DDR4 memory
Which component may be considered a field replaceable unit or FRU?
The LCD screen, power supply, hard drive, and motherboard
What has occurred if you see the message "Chassis Intruded! System has halted." the next time you start your computer?
The case has been opened
When handling a motherboard, cards, or drive, which statement is not accurate?
You should not hold expansion cards by the edges.
