Chapter01 - Chapter 1 Computers, Programs, and Java Chapter...

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Chapter 1 Computers, Programs, and Java
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 2 Chapter 1 A Typical PC
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 3 Chapter 1 ALU Control Unit Internal Registers CPU Bus Memory I/O Primary Secondary Input Output The Hardware
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 4 Chapter 1 The Central Processing Unit (CPU) The central processing unit (CPU) is the brain and nerve center of the entire system. This is where all of the calculations and decisions are made. In a PC system, the entire CPU is contained within a single integrated circuit (IC) chip called a microprocessor .
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 5 Chapter 1 Internal Registers ALU Control Unit CPU
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 6 Chapter 1 Typical Operations Performed by the ALU Addition + Subtraction - Multiplication * Division / Modulus (Remainder) % Equal to == Not equal to != Less than < Less than or equal to <= Greater than > Greater than or equal to >=
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 7 Chapter 1 Primary Memory: Primary memory often is called main working memory. The reason for this is that primary , or main , memory is used To store programs and data while they are being “worked,” or executed, by the CPU.
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 8 Chapter 1 Binary Values bit 0 or 1 byte 8 bits kilobyte(KB) 1024 bytes megabyte(MB) 1,048,576 bytes gigabyte(GB) 1,073,741,824 bytes
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Information Systems Programming with Java, 2nd edition Andrew C. Staugaard, Jr. 9 Chapter 1 . . 67,108,863 Memory Contents 64 MB RAM 10010011 Memory (Data) Addresses 67,108,862 .
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This note was uploaded on 04/29/2010 for the course PROGRAMMIN (MISY2312_ taught by Professor Nanymrouis during the Spring '10 term at Prince Mohammad Bin Fahd University, Dhahran.

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Chapter01 - Chapter 1 Computers, Programs, and Java Chapter...

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