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Central processing unit Reference Libraries

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Input-Output
2010-09-10 14:35:45

Input/output, commonly known as I/O, is the communication that goes on between a information processing system and the outside world, which may be a person or another information processing system. The signals and data received by the system are known as inputs, and the signals and data sent from the system are known as outputs. I/O can also refer to an action as well. An input or output...

Bus
2010-09-09 11:48:20

A bus is a subsystem that has the ability to transfer data from different computer components, whether in the same computer or two separate ones. Historically, the first computer buses were quite literally parallel electrical buses that had several connections. Today, however, the term bus can be used to describe any component of a computer that has a similar function or intent. A common...

2010-09-09 11:12:05

An accumulator is a register in a computer's central processing unit (CPU) that stores mathematical information, such as additions, subtractions, etc. For example, when adding a list of numbers, each number is entered into the accumulator and added together. Once all numbers have been inputted into the accumulator, they are stored on the computer in the register. Without an accumulator, each...

Central Processing Unit
2010-09-07 14:54:56

The Central Processing Unit (CPU) is the processor component of a computer system that carries out the instructions of a program. It is the primary element carrying out the computer's functions and the unit that reads and executes basic program instructions. The form, design, and execution of CPUs have radically changed since the earliest examples, but their elementary operation remains very...

2010-09-02 14:56:06

A control store is the element of a CPUs control unit that stores the CPU's micro program and is usually accessed by a micro sequencer. A control store is usually executed as a diode-selection of read-only memory. This tradition dates back to 1947 when the program timing matrix on the MIT Whirlwind was initially introduced. The earliest models of IBM mainframe had read-only control store;...

Word of the Day
tourtiere
  • a meat pie that is usually eaten at Christmas in Quebec
The word 'tourtiere' comes from the French tourte, or passenger pigeon.
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