Lesson_3_-_RAM - Lesson 3 RAM Can You Answer These Qs...

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- Explain the BIOS, CMOS, and lithium battery - What does the POST do? - Describe the 6 different expansion slots - What is the 6 step troubleshooting process? - What is a CPU? - Describe CPU Socket types? - Cooling )''CP ==QW '%%PUYGT 88JGUG 55℉U
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66'%%111 (&&CUKEU Random Access Memory Main memory that the CPU uses to store or receive data People often compare RAM to a person’s memory but it is quicker and more efficient DRAWBACK: RAM is typically cleared when computer is powered off - To store data permanently it needs to be written onto the hard drive which tends to be slower and less efficient
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Memory Controller Chip We already discussed chipsets, Northbridge and Southbridge functionality and bus architecture. The memory controller is part of a chipset that helps the CPU store and receive data to/from RAM. It does this by moving the data along the address bus, which connects the memory controller to RAM Possible Memory Controller Designs 66'%%111 (&&CUKEU )''QPV℉F [email protected] *CPU Memory *Controller -F S )B Northbridge (Address )Bus R(AM R(AM Memory controller is integrated with the *CPU (A +D +D R ,E S S )B U S Memory controller is part of the chipset
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66CO (&&CUKE℉U )''QPV℉F Ram discussed in this lesson is VOLATILE VOLATILE = Loses content if it loses power BUT not all RAM is volatile. I.e. NVRAM *Will be discussed in later lessons* Today’s RAM is a set of integrated circuits (ICs) that work at high speeds.
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111CKP )''CVGIQTKGU QH 66'%%111 SRAM Static Random Access Memory Does not need to be refreshed Found in cache memory in CPUs Soldered directly to a PCB - Printed circuit board. I.e. Motherboard OR integrated directly to chip You will not replace SRAM!
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