Teoria układów logicznych - strona 3

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Funkcje wykonawcze Logic. Korzystanie demultiplekserów MSI

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Implementing Logic Functions Using MSI Demultiplexers Since Demultiplexers do not suffer from a lack of outputs like Multiplexers do, Demultiplexer implementations are normally carried out for Boolean functions with multiple outputs. Using a Demultiplexer with n select inputs with an external OR ...

Implementing Logic Functions Using MSI Multiplexers

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Implementing Logic Functions Using MSI Multiplexers When a Multiplexer is used to implement a logic function, that function does not need to be minimized in the normal manner; however, a minimized function consisting of only a single literal or a single product term would be more cost-effective u...

Master slave flip flops

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Master slave flip flops A master-slave flip-flop is designed to interrupt the logic connection between the inputs and the outputs during the time the input control signal is a logic 1. Removing the logic connection between the input and output signals afforded by the master-slave design provides ...

Microprogrammable circuits

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Microprogrammable circuits Microprogrammable circuits are synchronous sequential logic circuits. Their operation is defined by the memory contents, called microprogram. Therefore they are more universal comparing to hard-wired logic circuits. Mic...

Moore and Mealy Type Synchronous State Machines

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Moore and Mealy Type Synchronous State Machines Synchronous state machine is the one, where its internal state changes along with synchronous input C (clock) or CLK. Typically C has rectangle waveform. State usually changes on arising or falling edge of clock signal (Edge-Triggered Devices). Syn...

Number representations

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Number representations So far only positive numbers were presented. As in decimal, also in other systems we have to present both positive (represented with “+” sign) and negative (represented with “-“ sign) values. This notation is called sign magnitude. Computers are generally not designed to in...

Opcje i elementy menu

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Options and menu items Allows user to change working behavior and result presentation of software: - Diagram options, MENU: [Options/Diagram] - Working (partially / only end solution) , MENU: [Options/Working], when partially is selected, system prompts user after each step during solution (in c...

Inne ukady

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Other circuits Circuits presented above are most commonly used. There are, however, other circuits. One of them is binary subtractor. Presented in fig. 4. 1-bit subtractor realises operation Ai-Bi-Ci where Ci signal is called borrow-out bit (borrow from current position to previous). There are a...

Przygotowanie modelu

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Preparing model When preparing description of working system, there are 3 possible ways describing working and non-working conditions: - gather all data from file (file format included in help system), MENU: [File/Open table] - input formula of connection, MENU: [File/Formula of connection]: - ...