IT Essentials-Chapter 3: PC Hardware and Software (Version 4.1)
Chapter 3 Exam - IT Essentials: PC Hardware and Software (Version 4.1)
jawaban
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pertanyaan
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20-pin connector
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A
technician is installing a new power supply in a computer. Which type
of power connector should be used to connect to an ATX motherboard?
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Pin 1 on the CPU is aligned with Pin 1 on the ZIF socket.
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When installing a CPU in a ZIF socket, how should the technician align the pins to avoid damage?
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1- hard drive
2- floppy drive
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When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
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1- PS/2
2- USB
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Which two connectors are used to connect external peripherals? (Choose two.)
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1- PCIe
2- PCI
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A
field technician has been asked to install a wireless 802.11g NIC in a
computer, but is unsure about the expansion slots available. Which
two types of wireless NICs should the technician have available? (Choose
two.)
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during the POST
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After
a technician has assembled a new computer, it is necessary to
configure the BIOS. At which point must a key be pressed to start the
BIOS setup program?
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It issues a number of short beeps.
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A
technician has just finished assembling a new computer. When the
computer is powered up for the first time, the POST discovers a problem.
How does the POST indicate the error?
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Use standoffs to keep the motherboard above the metal base.
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Which action is recommended to prevent the motherboard from contacting the metal base of the case?
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The floppy cable has a twist in the cable.
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What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?
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optical drive
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Which type of drive is installed in a 5.25-inch bay?
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Check the motherboard manual or manufacturer's website.
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What is the most reliable way for users to buy the correct RAM to upgrade a computer?
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performs a check on all internal components
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What is a function of the BIOS?
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Reattach the side panels to the case.
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What should be the next installation step after all the internal components of a PC have been installed and connected to
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Step 2
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Refer to the exhibit. Which should be the last step when connecting external cables to a computer?
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provides an interface between a computer and a display monitor
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What is a function of a video adapter card?
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to provide functionality for external components to be connected to the computer
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What is a function of the adapter cards that are installed in a computer?
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1- a floppy data cable to connect the FDD to the motherboard
2- a cable from the power supply to the Berg power connector on the FDD
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Which two connections should be provided to a floppy disk drive during installation? (Choose two.)
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in internal bays
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Where should internal drives be installed in a computer?
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Steps 1, 4, 3
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Refer to the exhibit. What is the order of steps that should be followed for a power supply installation in a computer?
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Consult the website of the manufacturer
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What is the first step that a technician should take before physically opening a computer case?
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