Steve adds a second 8-GB 288-pin DIMM to his PC, which should bring the total RAM in the system up to 16 GB. The PC has an Intel Core i7 4-GHz processor and four 288-pin DIMM slots on the motherboard. When he turns on the PC, however, only 8 GB of RAM shows up in Windows Settings app. Which of the following is most likely to be the problem?
A) Steve failed to seat the RAM properly.
Scott wants to add 8 GB of PC3-12800 DDR3 to an aging but still useful desktop system. The system has a 200-MHz motherboard and currently has 4 GB of non-ECC DDR3 RAM in the system. What else does he need to know before installing?
A) If the system can handle that much RAM
Scott needs to know if the system can handle that much RAM.
What is the primary reason that DDR4 RAM is faster than DDR3 RAM?
A) The input/output speed of the DDR4 RAM is faster.
The input/output speed of DDR4 RAM is faster than that of DDR3 RAM (although the latency is higher).
What is the term for the delay in the RAM’s response to a request from the MCC?
B) Latency
Latency is the term for the delay in the RAM’s response to a request from the MCC.
How does an NMI manifest on a macOS system?
A) Spinning pinwheel of death.
A non-maskable interrupt on a macOS system often results in the spinning pinwheel of death.
Silas has an AMD-based motherboard with two sticks of DDR3 RAM installed in two of the three RAM slots, for a total of 8 GB of system memory. When he runs CPU-Z to test the system, he notices that the software claims he’s running single-channel memory. What could be the problem? (Select the best answer.)
C) He needs to move one of the installed sticks to a different slot to activate dual-channel memory.
Motherboards can be tricky and require you to install RAM in the proper slots to enable dual-channel memory access. In this case, Silas should move one of the
installed sticks to a different slot to activate dual-channel memory architecture. (And he should check the motherboard manual for the proper slots.)
Which of the following Control Panel applets will display the amount of RAM in your PC?
C) System
You can use the System applet to see how much RAM is currently in your PC.
What is the best way to determine the total capacity and specific type of RAM your system can handle?
B) Check the motherboard book.
The best way to determine the total capacity and specific type of RAM your system can handle is to check the motherboard book.
Gregor installed a third stick of known-good RAM into his Core i7 system, bringing the total amount of RAM up to 12 GB. Within a few days, though, he started having random lockups and reboots, especially when doing memoryintensive tasks such as gaming. What is most likely the problem?
B) Gregor installed RAM that didn’t match the speed or quality of the RAM in the system.
Most likely, Gregor installed RAM that didn’t match the speed or quality of the RAM in the system.
Cindy installed a second stick of DDR4 RAM into her Core i5 system, bringing the total system up to 16 GB. Within a short period of time, though, she begin experiencing blue screens of death. What could the problem be?
B) She installed faulty RAM.
If you have no problems with a system and then experience problems after installing something new, chances are the something new is at fault.
Tara is looking to breathe new life into an aging Windows 10 desktop by replacing two 4 GB DDR3 RAM modules with two 8 GB modules. Which type of RAM is she least likely to purchase?
C) ECC
Error correction code (ECC) RAM requires special support that is very rare on desktop motherboards.
Tara will have to purchase DDR3 RAM. Single-channel and dual-channel refer to how the motherboard uses multiple RAM modules--not to the modules themselves.
Which of the following motherboard RAM features need identical RAM modules?
A. Quad-channel
B. Dual-channel
C. None of the above
D. Triple-channel
E. Single-channel
F. All of the above
Quad-channel,Dual-channel, Triple-channel
While it's still a good idea to use matching memory for compatibility reasons, single-channel memory architectures don't need identical modules.
Dual-, triple-, and quad-channel memory architectures all need identical modules to take advantage of the feature.
Which types of RAM can function even if one of its memory chips fails?
C) ECC
Error correction code (ECC) RAM and parity RAM can function with a failed memory chip. SO-DIMMs are small outline (form factor) memory modules. Dual-channel is technology that supports simultaneous access to multiple RAM modules. Double-sided RAM are RAM modules that are organized into 4 bits.
In what order should memory slots be filled?
A) Whatever order the motherboard manual specifies
The best practice is to follow whatever the motherboard manual specifies. Every motherboard is slightly different, so what works in one may not work in another.
What should a technician do to improve performance if the virtual memory file is constantly full?
B) Add more RAM to the computer
The best answer for performance is to add RAM. It is generally recommended to let the operating system manage the size of the virtual memory file. Closing applications is a short-term solution but eventually, the user will reopen them. Because virtual memory is slower than physical memory, using large amounts of virtual memory will slow the system down significantly
You are using the CompTIA Troubleshooting Methodology to determine the cause of some faulty RAM. You theorize that one or more RAM modules might not be properly seated. You test the theory, and it seems like a probable assumption. What is your next step?
B) Implement the solution by reseating the RAM
CompTIA’s Troubleshooting Methodology offers a simplified list of steps that can help you troubleshoot and resolve almost any issue that you will run in to. After establishing and testing a theory, the next step would be to establish a plan of action to resolve the problem and implement the solution. Since we surmised that our RAM sticks weren’t seated properly, the solution to the would be to reseat the RAM.
Author
dior
ID
361949
Card Set
Mike Myers_Chapter 4_RAM
Description
Questions are from the end of the chapter and TotalTester Online.
