A tower case sits upright, whereas a desktop case lies flat and sometimes serves as a monitor stand
Describe the differences between a tower case and a desktop case
What connector has 4 pins, is used for older IDE (Integrated Drive Electronics) drives and some SATA (Serial Advanced Technology Attachment) drives, and can provide +5 V and +12 V power outputs?
smart watches can be used as computing devices to make phone calls, send text messages, transmit data, and check emails
fitness monitors can measure heart rate, count pool laps or miles jogged or biked, and monitor sleep
List some types of wearable technology devices, and describe how they can be used.
a type of gyroscope used in mobile devices to sense the physical position of the device
What is an Accelerometer?
transmits digital video and audio and is slowly replacing VGA and DVI
DIMM (Dual in-line memory module)
a type of memory slot found on a motherboard
draws heat from the CPU and pipes it to a fan, which then blows heat out of the case
POST (Power On Self Test)
a series of tests performed by the startup UEFI (Unified Extensible Firmware Interface)/BIOS (Basic Input/Output System) when you first turn on a computer
SO-DIMM (Small Outline Dual In-line Memory Module)
a smaller type of memory slot typically used for laptops
central processing unit (CPU)
also called the processor, or microprocessor, does most of the processing of data and instructions for the entire system
micro-ATX (Advanced Technology EXtended)
reduces the total cost of a system by reducing the number of expansion slots on the motherboard, reducing the power supplied to the board, and allowing for a smaller case size
BIOS (Basic Input/Output System)
UEFI (Unified Extensible Firmware Interface)
What two different types of firmware may be used on motherboards?
Power Supply Unit (PSU)
What is the component that usually has a dual-voltage selector switch and has cables that connect to the motherboard and drives called?
solid state device
What is the name for the type of flash memory that is used by mobile devices to store their apps and data?
DVI (Digital Visual Interface) transmits digital or analog video, but no audio.
HDMI (High Definition Multimedia Interface) does not support analog transmissions; however it does transmit both video and audio digitally.
What is the difference between a DVI (Digital Visual Interface) port and an HDMI (High Definition Multimedia Interface) port?
What type of port is sometimes used by routers for management and configuration purposes?
How many pins are in the power supply connector that is typically used on most motherboards today?
ATX 2.1 (Advanced Technology Extended)
A micro-ATX (Advanced Technology Extended) motherboard will fit into a case that follows what minimum standard?
If you have a PCI Express Version 2 video card, how many pins will the power connector have if the card requires extra power?
What are two different ways by which a laptop could utilize the cellular network connection of a mobile device?
(Power On Self Test)
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?
Unlike BIOS, UEFI can assure that the boot is secure and no rogue operating system hijacks the system.
BIOS uses MBR (Master Boot Record) and runs 16-bit code while UEFI uses GPT (GUID Partition Table) and runs efi executables at 32 or 64 bit speeds
Describe the differences between BIOS and UEFI firmware.
(Basic Input/Output System)
(Unified Extensible Firmware Interface)
List three components found on a motherboard
So that: the motherboard fits in the case,
the holes in the motherboard align with the holes in the case for anchoring the board to the case,
and the holes in the case align with ports coming off the motherboard.
List three reasons you should use matching form factors for the motherboard, power supply, and case.
The PCIe connectors on an ATX Version 2.2 power supply come in what two different configurations, depending on the version of PCI express involved?
hard disk drive (HDD)
What component is most likely to be installed in a PC, is considered primary storage, and typically stores the operating system, as well as its applications?
Law enforcement agencies sometimes use what type of data to reconstruct a person’s travels?
Size is the only difference. A phablet is smaller than a tablet.
What is the difference between a tablet and a phablet?
a support technician should know how to replace one
What statement about an FRU (Field Replaceable Unit) is true?
ESD (Electrostatic Discharge)
What acronym is another name for static electricity, which can damage chips and destroy motherboards?
a touch pad
What is the most common pointing device on laptops?
In a cellular network, each cell is controlled by a tower. What are these towers called?
Programs and data that are stored on a motherboard are referred to by what term?
What general-purpose tool can measure characteristics of electricity in a variety of devices?
S/PDIF (Sony/Philips Digital Interface Format)
What audio port connects to an external home theater audio system, providing digital audio output?
ATX & mATX (micro ATX)
(Advanced Technology Extended)
What are the two most common form factors used today for computer cases, power supplies, and motherboards?
Near Field Communication technology establishes a wireless communication link between two nfc devices that are within 4 inches of each other
Describe the Near Field Communication (NFC) technology
POST refers to a series of test performed by the startup UEFI/BIOS when you first turn on a computer that determine if startup UEFI/BIOS can communicate correctly with essential hardware components required for a
To troubleshoot this process, install a POST card in an expansion slot on the motherboard, boot, then find the detailed information that corresponds with the information provided by the POST card.
What is the POST (power-on self test), and what can be done to troubleshoot this process?
How many pins are used in a parallel port, also known as an LPT port?
The two services that Windows must provide for an ExpressCard are:
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