Chapter 1-Computer Parts

1. A technician has determined that a laptop keyboard will need to be removed in order to replace the laptop’s CPU cooling fan.

Which of the following steps will most likely be required before the technician can remove the keyboard from the laptop? (Select TWO.)

• The keyboard backlight will need to be toggled off by using the appropriate Fn keys.

• The keyboard cable(s) will need to be disconnected from the ZIF socket(s).

• The keyboard cable will need to be disconnected from the mini-PCIe slot.

• The keyboard bezel will need to be removed.

What two different types of firmware may be used on motherboards?

• CEFI

• BIOS

• CMOS

• UEFI

Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations?

• 4-pin

• 6-pin

• 8-pin

• 24- pin

What two devices in a computer should be considered “black boxes,” and should never be opened due to risks involving charged capacitors?

• Monitor

• Power supply

• Hard drive

• Video card

What is the connector called on a network cable that connects to an Ethernet port?

• RJ-11

• RJ-45

• DB9

• USB

What is the component called that usually has a dual-voltage selector switch and has cables that connect to the motherboard and internal components?

• PCIe

• HDD

• DIMM

• PSU

How many pins are used in a serial port?

• 15

• 8

• 9

• 25

Which statement is NOT a good practice when working inside a computer case?

• Don’t touch the inside of a computer that is turned on.

• Don’t touch a microchip with a magnetized screwdriver.

• Remove loose jewelry.

• Be sure to hold expansion cards by the edge connectors.

Which component may be considered a field replaceable unit or FRU?

• LCD screen

• Power supply

• Hard drive

• All of these

The loud clicking noise coming from a faulty hard drive is MOST likely created by:

• the coil reversing polarity in an endless loop.

• one or more bad spindle motor bearings.

• repeated motion of the read/write head armature parallel to the platter.

• the solid state read/write head scratching the platter surface.