IT Essential Exam Ch 3

1 - 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?
20-pin connector

2-When installing a CPU in a ZIF socket, how should the technician align the pins to avoid damage?

Pin 1 on the CPU is aligned with Pin 1 on the ZIF socket.

3- When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)

hard drive

floppy drive

4- Which two connectors are used to connect external peripherals? (Choose two.)

PS/2

USB

5- 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.)

PCIe

PCI

6- 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?

during the POST

7-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?

It issues a number of short beeps.

8- Which action is recommended to prevent the motherboard from contacting the metal base of the case?

Use standoffs to keep the motherboard above the metal base.

9- What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?

The floppy cable has a twist in the cable.

10- Which type of drive is installed in a 5.25-inch bay?

optical drive

11- What is the most reliable way for users to buy the correct RAM to upgrade a computer?

Check the motherboard manual or manufacturer's website.

12- What is a function of the BIOS?

performs a check on all internal components

13 What should be the next installation step after all the internal components of a PC have been installed and connected to the motherboard and power supply?

Reattach the side panels to the case.

14-

Refer to the exhibit. Which should be the last step when connecting external cables to a computer?

Step 2

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