Minggu, 18 September 2011

Chapter 3 Exam - IT Essentials: PC Hardware and Software (Version 4.1)

20-pin connector
         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?
Pin 1 on the CPU is aligned with Pin 1 on the ZIF socket.
When installing a CPU in a ZIF socket, how should the technician align the pins to avoid damage?
1- hard drive
2- floppy drive
When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
1- PS/2
2- USB
Which two connectors are used to connect external peripherals? (Choose two.)
1- PCIe
2- PCI
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.)
during the POST
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? 
It issues a number of short beeps.
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?
Use standoffs to keep the motherboard above the metal base.
Which action is recommended to prevent the motherboard from contacting the metal base of the case? 
The floppy cable has a twist in the cable.
What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive? 
optical drive
Which type of drive is installed in a 5.25-inch bay?
Check the motherboard manual or manufacturer's website.
What is the most reliable way for users to buy the correct RAM to upgrade a computer? 
performs a check on all internal components
What is a function of the BIOS?
Reattach the side panels to the case.
What should be the next installation step after all the internal components of a PC have been installed and connected to 
Step 2
Refer to the exhibit. Which should be the last step when connecting external cables to a computer? 
provides an interface between a computer and a display monitor
What is a function of a video adapter card?
to provide functionality for external components to be connected to the computer
What is a function of the adapter cards that are installed in a computer?
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
Which two connections should be provided to a floppy disk drive during installation? (Choose two.) 
in internal bays
Where should internal drives be installed in a computer? 
Steps 1, 4, 3
Refer to the exhibit. What is the order of steps that should be followed for a power supply installation in a computer? 
Consult the website of the manufacturer
What is the first step that a technician should take before physically opening a computer case?

1 komentar:

  1. hi..Im student from Informatics engineering, this article is very informative, thanks for sharing :)