Random Access Memory Flashcards
The clock cycle speed of SDRAM is determined by which factor?
The speed of other memory chips present in the system
The speed of the CPU present in the system
The speed of the system bus used by the system
The speed of the system bus used by the system
Which statement best indicates the performance characteristics of a system using dual channel RAM?
Separate memory chips can be accessed simultaneously over each channel
Each memory chip will be twice as fast
You must install two memory chips per channel
Separate memory chips can be accessed simultaneously over each channel
Which statement best indicates the performance characteristics of a system using triple channel RAM?
The total memory bus width will be 192 bits
You must use exactly three memory chips
Your memory will be three times faster
The total memory bus width will be 192 bits
Which physical characteristics distinguishes parity RAM chips from non-parity RAM chips?
Parity RAM chips have 8 modules, non-parity have 9
Parity RAM chips have 9 modules, non-parity have 8
Parity RAM chips are longer than non-parity chips
Parity RAM chips have 9 modules, non-parity have 8
DDR3 RAM cycles how many times per bus cycle?
8
2
4
4
Which physical chip types were used with DDR4 RAM? (Choose two)
256-pin SODIMM
288-pin DIMM
240-pin DIMM
168-pin DIMM
200-pin SODIMM
256-pin SODIMM
288-pin DIMM
DDR2 referred to which performance characteristics as compared to DDR?
It cycled half as many times per bus cycle
It cycled twice as many times per bus cycle
It had twice the capacity chip
It cycled twice as many times per bus cycle
How wide is the memory bus on a system that uses single channel RAM?
128 bits
32 bits
64 bits
64 bits
In which type of system would you most likely find a SODIMM chip style?
Mobile phone
Desktop computer
Laptop
Laptop
ECC memory is able to perform which types of recovery when accessing data?
Detect and correct single bit errors in the entire memory address space
Detect and correct single bit errors for each byte written
Detect and correct single bit errors for each bit written
Detect and correct single bit errors for each byte written
