You are an IT consultant at a bank. An analyst at the bank is complaining that h

Question

You are an IT consultant at a bank. An analyst at the bank is complaining that her laptop is performing slowly. You determine that the laptop’s memory is insufficient for the complex calculations and reports the analyst is running. Do This: Search the web to learn more about current memory modules available to increase memory capacity. Evaluate the differences among various options, including type, size, speed, and price. Find articles from industry experts that list methods and recommendations for upgrading a laptop’s memory. Also determine how to add memory to a laptop, obtaining answers to the following questions: How can you determine the type and correct amount of memory to add? Why should you not purchase more memory than your computer can support? How do you determine the available slots for memory modules? What safety measures should you take when upgrading memory? Is it better to upgrade the memory or purchase a new laptop?

Explanation / Answer

low memory (Random Access Memory RAM) at Lap top According 1 source the recommendations are: Determining the type and correct amount of memory to add? Type of RAMs: Fast Page Memory = FPM = also out dated – the ages of 476+10 – history! Extended Data Out = EDO = old and out dated by this time = only for computers in the museum!! SDRAM = more famous RAM = less likely she would have on her Laptop as this is of the age year 1999, supports Pentium processor, Celeron Central Processing Unit (CPU) Hardware types: Double Data Rate (DDR) 400 / 333 / 266 Synchronous Dynamic (SD) SDRAM 512 MB Dual Inline Memory Module ( DIMM ) DDR3 SDRAM, DDR4 SDRAM, DDR2 SDRAM, DDR1 SDRAM OUT of the above listings, which is suitable for her laptop? Memory speed depends on the following: Front side bus speed ( = speed of data mobility between the CPU registers and the memory(RAM) registers) of the Laptop If her laptop had PC66 SDRAM it can be upgraded to PC 100 SDRAM to make it faster for complex banking double entry calculations, cheque reconciliations , preparing balance sheets, and many more accounting and tax transactions etc When RAM of higher speed is mixed with that of a lower speed, then the lower one takes precedence and the system gets slowed down regardless of the upgrade hence it is important to make sure that the data bus at the front side supports this upgraded RAM Other things to consider: Maximum size of the Module Banks of Memory: Column address Strobe the same logic of memory speed applies here as well – when we mix a module of higher speed with a module of lower speed, the lower speed module will take precedence and the system will work at the slow rate of lower speed module hence care must be taken to install same speeded modules Connector types and the RAM Error correction code (ECC) also known as Non Parity remember the parity bit is for error checking

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