Sequential Systems and Computer Memory Essentials
Classified in Computers
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Sequential Systems Design
A systematic way of designing any machine that passes through different states. Examples include counters, traffic lights, and vending machines. Generally called Finite State Machines/Automatas.
Mealy Machine
Outputs are a function of both inputs and the current state.
Moore Machine
Outputs are a function of the current state only.
Computer Memory
Part of the computer that stores information: instructions and data.
Organization:
Address: Identifies memory position
Content: Stored information
Memory Cell
Minimum storing element: one bit.
Word
Group of bits implied in each memory operation (8, 16, 32, 64, ... bits). It defines data bus size.
Basic Operations
Read (R) and Write (W)
Capacity
Maximum quantity of information that a memory