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Computer Organization and Architecture
Study acronyms and functions of components
9
Computer Science
Undergraduate 2
09/10/2013

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Term
Computer Architecture
Definition
(Heavily Summarized) Attributes of a system visible to a programmer. For example, instruction sets, bits, data types, input/output, etc.

MULTIPLY, ADD, SUB: Instructions
Term
Computer Organization
Definition
Operational units and their interconnections.

Hardware Details, Control Signals, Memory, etc.
Term
I/O
Definition
-Input/Output-
Moves Data from External to Internal and vice versa
Term
Main Memory
Definition
Stores Data
Term
CPU
Definition
-Central Processing Unit-
Controls the operations of the computer. (AKA the processor)
Term
(In the CPU) Registers
Definition
Internal Storage of the CPU
Term
(In the CPU) ALU
Definition
-Arithmetic and Logic Unit-
Performs the computer's data processing functions
Term
(In the CPU) Control Unit
Definition
Operation of the CPU and handles the sequence logic, control unit registers, decoders, and controls memory
Term
System Bus and Internal Busses
Definition
Communicates with the different components. Acts as the "Train Tracks" for the data ("Train")
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