cs1101_09A_lec18 - 1 The System Unit System unit the case...

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CS1101 - Lec03 1 The System Unit System unit – the case that contains electronic components of t he computer used to process data
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CS1101 - Lec03 2 The Computer’s Memory RAM (random access memory) - memory chips that can be read and written by the p rocessors Also called main memory or primary storage Used to temporarily store program instruction s and data Unique addresses and data can be stored in a ny location Can quickly retrieve information RAM is the “waiting room”  for CPU.
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CS1101 - Lec03 3 How RAM Works ? The location in memory for each instructio n and each piece of data is identified by an address Each location in memory has a unique addres s number Address 8000 8004 8008 800C 8010 Memory instruction data salary = rate * hours rate: 80 hours: 4 salary: 0 CPU result 320
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4 RAM - Primary Memory Temporarily stores information for the CPU Software (instructions) Operating system Application software
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This note was uploaded on 03/10/2012 for the course CS 1101 taught by Professor Drxue during the Spring '11 term at City University of Hong Kong.

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cs1101_09A_lec18 - 1 The System Unit System unit the case...

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