Chap 7 Lab 7

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Chapter 7 Solutions Lab 7.1 Why might you want to upgrade RAM on a system? Answer: It would improve performance. How many pins are on the different types of DIMMs? Answer: 168, 184, or 240 although SO-DIMMs (used in laptops) have different configurations Which is more expensive: DDR-DIMM or RIMM? Answer: RIMM of the same MB What is a disadvantage of using two 512 MB modules instead of a single 1 GB module in a system with three slots for memory modules? Answer: It limits you to only one more space for memory expansion. What are two disadvantages of using only one 2 GB module rather than two 1 GB modules? Answer: It is usually more expensive, and if it goes bad, then all RAM is bad. Lab 7.2 Is a DIMM or RIMM more expensive, given that both hold the same amount of memory? Why do you think the price varies? Answer: A RIMM is more expensive because RAMBUS holds patent rights to the technology, and the manufacturer must pay royalties to RAMBUS. Summarize why adding RAM offers a performance advantage. Answer: When the system has adequate room in RAM for OS applications and data, it does not need to access slower virtual memory on the hard drive as often, which generally makes for a faster system. Which tool on the Kingston Web site could you use to find Kingston modules for your system if you know the model number of your system’s motherboard? Answer: You could use the Memory Search tool. If you were planning to buy a new system, would you choose a motherboard that uses DIMMs or RIMMs? Why? Answer: This answer is dependent on student’s research and experience. Lab 7.3 What is the minimum and recommended memory requirement for the OS your system is running? Answer: The answers will vary. What are at least two ways you can determine how much RAM is installed? Possible answers: Use the General tab in the System

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