Chapter 1 – First Look at Computer Parts and Tools

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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.
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micro-ATX
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A short-range wireless technology used to connect two devices in a small personal network.
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Bluetooth
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A slot used for expansion cards or video cards on a motherboard.
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PCIe
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Draws heat from the CPU and pipes it to a fan, which then blows heat out of the case.
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Heat sink
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A series of tests performed by the startup UEFI/BIOS when you first turn on a computer.
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POST
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Also called the processor, or microprocessor, does most of the processing of data and instructions for the entire system.
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Central processing unit (CPU)
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A smaller type of memory slot typically used for laptops.
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SO-DIMM
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Transmit digital video and audio and is slowly replacing VGA and DVI.
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Display Port
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A type of memory slot found on a motherboard.
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DIMM
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A computer is said to be in this mode when all wireless technologies are turned off.
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Airplane mode
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A micro-ATX motherboard will fit into a case that follows what minimum standard?
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ATX 2.1
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How many pins are in the power supply connector that is typically used on most motherboards today?
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24-pin
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How many pins are used in a parallel port, also known as an LPT port?
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25
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If you have a PCI Express Version 2 video card, how many pins will the power connector have if the card requires extra power?
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8
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In a cellular network, each cell is controlled by a tower. What are these towers called?
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Base stations
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Law enforcement agencies sometimes use what type of data to reconstruct a person’s travels?
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Geotracking
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Programs and data that are stored on a motherboard are referred to by what term?
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Firmware
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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?
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6-pin and 8-pin
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The two services that Windows must provide for an ExpressCard are:
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Card service and socket service
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What acronym is another name for static electricity, which can damage chips and destroy motherboards?
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ESD
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What are the two most common form factors that are used today for computer cases, power supplies, and motherboards?
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ATX and mATX
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What are two different ways by which a laptop could utilize the cellular network connection of a mobile device?
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Tethering, hotspot
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What audio port connects to an external home theater audio system, providing digital audio output?
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S/PDIF
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What component is most likely to be installed in a PC, a considered primary storage, and typically stores the operating system, as well as its applications?
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Hard disk drive
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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?
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Molex connector
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What general-purpose tool can measure characteristics of electricity in a variety of devices?
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Multi-meter
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What is the component that usually has a dual-voltage selector switch and has cables that connect to the motherboard and drives called?
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PSU
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What is the most common pointing device on laptops?
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A touch pad
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What is the name for the type of flash memory that is used by mobile devices to store their apps and data?
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Solid state device
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What statement about an FRU is true?
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A support technician should know how to replace one
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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?
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POST card
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What two different types of firmware may be used on motherboards?
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BIOS and UEFI
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What type of port is sometimes used by routers for management and configuration purposes?
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DB9 port
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What type of port transmits both digital audio and digital video with a single connector?
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HDMI
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Which statement is NOT true regarding motherboards?
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Has a heat sink on the PCIe slots
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A DVI port transmits a video signal and is also called a DB-15 port
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False
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A tower case conserves space since it can double as a monitor stand
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False
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An Ethernet port has a connector called an RJ-45 to connect to a network cable
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True
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Functions that used to be provided by expansion cards are more often found as onboard ports today
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True
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Hard drives have three connections for cables, one for reading data, one for writing data, and one for power
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False

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