CH05 - 6 Memory (cont) Address space 1 kilo = 2 10 = 1,024...

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All-in-One CompTIA A+ Certification Exam Guide (Exams 220-701 & 220-702) – Mike Meyers Seventh Edition Chapter 5 Microprocessors
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2 Chapter Objectives In this chapter, you will: • Identify the core components of a CPU • Describe the relationship of CPUs and memory • Explain the varieties of modern CPUs • Install and upgrade CPUs
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3 Historical/Conceptual - CPU Core Components • Basic CPU functions – EDB – Carries info to components – Very quick • Registers – Worktables – 16 switches – AX, BX, CX, DX
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4 CPU Core Components (cont) Machine language – Tells the CPU what binary code equals • 10111010 Clock – CLK – Clock cycle – Clock speed • 1 Hz 1 clock cycle • 1MHz 1 million clock cycles • 1 GHz 1 billion clock cycles
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5 Memory • RAM – Holds the 1s and 0s for CPU – DRAM • Constant electrical charge – Address bus – MCC
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Unformatted text preview: 6 Memory (cont) Address space 1 kilo = 2 10 = 1,024 (abbreviated as K) 1 kilobyte = 1,024 bytes (abbreviated as KB) 1 mega = 2 20 = 1,048,576 (abbreviated as M) 1 megabyte = 1,048,576 bytes (abbreviated as MB) 1 giga = 2 30 = 1,073,741,824 (abbreviated as G) 1 gigabyte = 1,073,741,824 bytes (abbreviated as GB) 1 tera = 2 40 = 1,099,511,627,776 (abbreviated as T) 1 terabyte = 1,099,511,627,776 bytes (abbreviated as TB) 1 kilo is not equal to 1,000 (one thousand) 1 mega is not equal to 1,000,000 (one million) 1 giga is not equal to 1,000,000,000 (one billion) 1 tera is not equal to 1,000,000,000,000 (one trillion) (But they are pretty close!) 7 Essentials - Modern CPUs Same as older CPUs Newer things 64 bit Dual, quad core CPU cache L1, L2, L3...
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This note was uploaded on 04/05/2011 for the course CINT 213 taught by Professor Endris during the Spring '11 term at Ivy Tech Community College.

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CH05 - 6 Memory (cont) Address space 1 kilo = 2 10 = 1,024...

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