ELE 201: Digital Electronics for Telecomm I

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Module 5 Assignment

This assignment is based on chapter 7.

  1. Identify the two categories of computer memory.

  2. Identify the two categories of RAM.

  3. What are the two major differences between DIMM, RIMM, and SIMM modules?

  4. Why must dynamic RAM be refreshed?

  5. According to table 7-1, how many pins are on a DDR SDRAM module? (Not SO-DIMM.)

  6. Briefly describe Synchronous DRAM.

  7. What are DIMMS rated by?

  8. In relationship to the clock cycle or system beat, when does DDR SDRAM process data?

  9. Identify the data path of a DDR2 module.

  10. DIMM modules have notches on them. What are the notches for?

  11. What must be present for dual-channeling to work?

  12. All the RAM sockets must be populated in a system using RDRAM. If a slot does not have a RIMM what must it have?

  13. Briefly describe ECC (Error Correcting Code)?

  14. What is CAS (Column Access Strobe) Latency?

  15. What are the two types of connector leads used for memory modules and why should they be matched?

  16. Briefly describe PC rating.

  17. What does it mean to upgrade memory?

  18. Translate the following: PC2 - 6400/1024MB.

  19. Identify the sizes of double-sided DIMMs.

  20. What type of errors can poor-quality memory chips cause?

Know the following terms:

This page last modified on 01/23/2008