CTI Test 1 – Flashcards
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Describe the differences between a tower case and a desktop case
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A tower case sits upright, whereas a desktop case lies flat and sometimes serves as a monitor stand
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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?
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Molex connector
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List some types of wearable technology devices, and describe how they can be used.
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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
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What is an Accelerometer?
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a type of gyroscope used in mobile devices to sense the physical position of the device
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transmits digital video and audio and is slowly replacing VGA and DVI
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DisplayPort
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a type of memory slot found on a motherboard
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DIMM (Dual in-line memory module)
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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 (Unified Extensible Firmware Interface)/BIOS (Basic Input/Output System) when you first turn on a computer
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POST (Power On Self Test)
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a smaller type of memory slot typically used for laptops
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SO-DIMM (Small Outline Dual In-line Memory Module)
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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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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 (Advanced Technology EXtended)
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What two different types of firmware may be used on motherboards?
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BIOS (Basic Input/Output System) UEFI (Unified Extensible Firmware Interface)
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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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Power Supply Unit (PSU)
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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 is the difference between a DVI (Digital Visual Interface) port and an HDMI (High Definition Multimedia Interface) port?
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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.
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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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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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A micro-ATX (Advanced Technology Extended) motherboard will fit into a case that follows what minimum standard?
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ATX 2.1 (Advanced Technology Extended)
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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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What are two different ways by which a laptop could utilize the cellular network connection of a mobile device?
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Hotspot Tethering
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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 (Power On Self Test)
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Describe the differences between BIOS and UEFI firmware. (Basic Input/Output System) (Unified Extensible Firmware Interface)
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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
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List three components found on a motherboard
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DIMM Slots CPU Sockets SATA-ports
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List three reasons you should use matching form factors for the motherboard, power supply, and case.
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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.
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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 8-pin
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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?
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hard disk drive (HDD)
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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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What is the difference between a tablet and a phablet?
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Size is the only difference. A phablet is smaller than a tablet.
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What statement about an FRU (Field Replaceable Unit) is true?
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a support technician should know how to replace one
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What acronym is another name for static electricity, which can damage chips and destroy motherboards?
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ESD (Electrostatic Discharge)
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What is the most common pointing device on laptops?
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a touch pad
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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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Programs and data that are stored on a motherboard are referred to by what term?
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firmware
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What general-purpose tool can measure characteristics of electricity in a variety of devices?
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multimeter
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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 (Sony/Philips Digital Interface Format)
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What are the two most common form factors used today for computer cases, power supplies, and motherboards?
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ATX & mATX (micro ATX) (Advanced Technology Extended)
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Describe the Near Field Communication (NFC) technology
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Near Field Communication technology establishes a wireless communication link between two nfc devices that are within 4 inches of each other
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What is the POST (power-on self test), and what can be done to troubleshoot this process?
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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 successful boot. 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.
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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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The two services that Windows must provide for an ExpressCard are:
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socket service card service
