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Chapter One. Hardware > Compare and contrast memory types, characteristics and ...

1.6. Compare and contrast memory types, characteristics and their purpose

  • Types

    • DRAM

    • SRAM

    • SDRAM

    • DDR/DDR2/DDR3

    • RAMBUS

  • Parity vs. Non-parity

  • ECC vs. non-ECC

  • Single-sided vs. double-sided

  • Single channel vs. dual channel

  • Speed

    • PC100

    • PC133

    • PC2700

    • PC3200

    • DDR3-1600

    • DDR2-667

80.When accessing data, which of the following has the fastest throughput?

A.A flash drive
B.RAM
C.A hard disk drive
D.A CD-ROM


81.Which type of RAM is used for RAM cache?

A.DRAM
B.VRAM
C.SRAM
D.SDRAM


82.Which of the following RAM modules required 8 ns DRAM chips and was capable of operating at 125 MHz?

A.PC-66
B.PC-100
C.PC-133
D.PC-800


83.Which package does Synchronous DRAM use?

A.SIMMs
B.DIMMs
C.RIMMs
D.SIPPs


84.What is the MOST common video RAM technology on video cards?

A.DDR SDRAM
B.SODIMM
C.SIMM
D.DIMM


85.If the DDR module is rated at PC3200 and 400 MHz, what is the memory bus speed?

A.100 MHz
B.200 MHz
C.400 MHz
D.800 MHz


86.What is the minimum RAM type that should be used with a 133-MHz FSB?

A.PC133
B.PC166
C.DDR133
D.PC100


87.Which of the following are error-detecting technologies used with RAM? (Choose all that apply.)

A.Parity
B.Static
C.ECC
D.Recharging


88.DDR-2 offers which of the following data rates?

A.800 GBps
B.3.2 GBps
C.6.4 GBps
D.12.8 GBps


89.What advantages does DDR-2 have over DDR-1? (Choose two answers.)

A.Faster bandwidth
B.Lower latency
C.Cache mode
D.Lower power consumption


90.What characteristic allows a memory chip to be divided into two banks, which are accessed one bank at a time?

A.Double-rated
B.Double-sided
C.Turbo cached
D.Dynamic


91.Which DDR-3 uses modules called PC3-12800?

A.DDR3-800
B.DDR3-1066
C.DDR3-1333
D.DDR3-1600



  

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