L01A_Hardware_View - CS1372 CS1372: HELPING TO PUT THE...

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CS1372: HELPING TO PUT THE COMPUTING IN ECE CS1372 A Really Quick Hardware Overview
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CS1372: HELPING TO PUT THE COMPUTING IN ECE Memory Bit – a single entity Value is 1 or 0 (true or false) Takes many different hardware forms Byte – 8 bits Usually, smallest addressable item in memory Values reported in: binary: 11101010 octal: 0352 hex: 0XEA unsigned decimal: 234 signed decimal: -22
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CS1372: HELPING TO PUT THE COMPUTING IN ECE Memory (cont) Word – multiple bytes, multiple uses Storing Data Characters (1 or 2 bytes) Short integers (2 bytes) Integers (4 bytes) Doubles (8 bytes) Storing Instructions Talking to Devices
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CS1372: HELPING TO PUT THE COMPUTING IN ECE Register A piece of hardware that stores memory words quickly and temporarily Access to memory Access to the Arithmetic Unit Temporary storage of data
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CS1372: HELPING TO PUT THE COMPUTING IN ECE Computer Components Central Processor (CPU) Arithmetic and Logical Unit (ALU) I/O Devices Memory Control Logic Registers
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L01A_Hardware_View - CS1372 CS1372: HELPING TO PUT THE...

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