IT Essentials 7.0 Chapter 2

What is a good safety precaution to take when opening a computer case? 

• Place tape over the case edges that are sharp. 

• Remove the cover (or door) of the computer case before installing or removing parts. 

• Remove the connections to the front panel before extending the case fully open. 

• Ensure that any loose clothing such as a tie or shirt stay in constant contact with the case when handling internal components.

What does the “A” in P-A-S-S remind a person to do while using a fire extinguisher? 

• Aim the fire extinguisher at the flames. 

• Aim the fire extinguisher at the base of the fire. 

• Activate the fire extinguisher. 

• Adjust the pressure.

How is a power supply commonly attached to a tower case? 

• restraining strap 

• retention bar 

• screws 

• standoffs

A technician is replacing a power supply. Which two factors should the technician consider when obtaining the replacement part? (Choose two.) 

• type of case 

• input voltage level of 12 or 5 VDC 

• number of internal fans 

• output voltage 

A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned?

• The label on the memory module should always face the CPU. 

• A notch in the memory module should be aligned with a notch in the memory slot. 

• The arrows on the memory module should be aligned with the arrows on the motherboard slot. 

• Memory slots are color coded, with one end red and one end blue. 

What is used to prevent the motherboard from touching metal portions of the computer case? 

• an I/O shield 

• thermal compound 

• standoffs 

• ZIF sockets

Which statement describes the purpose of an I/O connector plate? 

• It makes the I/O ports of the motherboard available for connection in a variety of computer cases. 

• It plugs into the motherboard and expands the number of available slots for adapter cards. 

• It provides multiple connections for SATA hard drives to connect to the motherboard. 

• It connects the PCIe adapter slots used for video directly to the CPU for faster processing.

What are three important considerations when installing a CPU on a motherboard?

• Antistatic precautions are taken. 

• The CPU contacts are first cleaned with isopropyl alcohol. 

• The CMOS EPROM battery is removed prior to installing the CPU. 

• Maximum insertion force is applied to the load lever so the CPU is locked in place.

When a new PC is being built, which component has the most influence when selecting the case and power supply? 

• video card 

• sound card 

• RAM module 

• motherboard 

Which two factors must be considered when replacing old RAM modules in a PC?

• The new RAM must be compatible with BIOS or UEFI. 

• The speed of the new RAM must be supported by the chipset. 

• The power supply must provide the voltage that is requred by the new RAM. 

• The new RAM must match the old RAM in terms of capacity and speed.