Exam 3 Information Technology: Hardware and Software (CSIS 3100) Fall 2017 November 7, 2017 NAME: Luhinen Cle Answer to any 10 questions. (10 points per question) are the three categories of memory modules in computers? Which categoryties) is (are) obsolete now? 2. The RAM in computer memory stands for what? If the power to a computer is suddenly turned off or the computer is restarted, does the data in RAM remain available? What is the RAM limit for a 32-bit operating system? 3. What is the advantage of synchronous DRAM (SDRAM)? Which is faster, SRAM (static RAM) or DRAM (Dynamic RAM)? Why? 5. What major improvement did DDR make over regular SDRAM? What prevents a DDR DIMM from being installed in a DDR2 DIMM slot on a motherboard? 6. Name at least two Mesory performance factors to consider when you purchase a computer 7. You are looking to purchase two DIMMs running at 400 MHz. You find DIMMs advertised at PC4000 and PC3200. Which do you purchase? Show your work. Note: DIMM module processes 64-bit (8-byte) data path. 8. Although ECC (error corecting code) memory costs more than non-ECC memory, why would you choose to use it? Which type of computer typically requires ECC memory