CT 110 Unit 1 Theory – Flashcards
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If you have 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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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 are round plastic or metal pegs that separate the motherboard from the bottom of the case known as?
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standoff
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Which statement is true regarding the installation of the motherboard and connecting power?
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a 4-pin power cord supplies supplemental power to the processor
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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 does a small triangle embedded on a connector signify?
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the wire nearest to the triangle is pin 1
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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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What type of connector is not typically found on the front panel header?
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SATA controller
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What is the component that usually has dual-voltage selector switch and has cables that connect to the motherboard and drives called?
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PSU
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Which component may be considered a field replaceable unit (FRU)?
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All of the above
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What is the name for the type of flash memory that is used by mobile devices to store their apps ad data?
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solid state device
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Where should you clip your ESD strap when opening a computer case?
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computer case
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Which statement is NOT a good practice when working inside a computer case?
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be sure to hold expansion cards by the edge connectors
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What is the second step in opening the case of a working computer?
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power down the system and unplug it
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What diagnostic software is used by several manufacturers, and can run tests on keyboards, video, speakers, touchpad, optical drives, wireless LANs, motherboard, processor, ports, hard drive, and memory?
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PC-Doctor
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If a ground strap is unavailable, what should be done to dissipate any ESD before working on a laptop?
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Touch a non-painted metallic surface on the laptop
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What statement about FRU is true?
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a support technician should know how to replace one
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When is it okay to touch the inside of a computer that is turned on?
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When using a multimeter to measure voltage output
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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 is the most common pointing device on laptops?
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touch pad
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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
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Which of the following statements regarding working inside a laptop computer is true?
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When upgrading a laptop, you should use components that are the same brand as the laptop, or use only recommended components
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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 pins
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How many pins are used in a parallel port, also known as an LPT port?
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25 pins
