4. Fundamental of Digital Computer
The chapter provides an overview of digital logic building blocks essential for understanding digital computers. It discusses the behavior of digital systems, the function of basic building blocks, and issues related to sequential circuits. Additionally, it categorizes digital computers into digital and analog types, emphasizing the significance of binary systems in digital computation.
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What we have learnt
- Digital computers work on discrete signals represented as binary numbers.
- Digital logic circuits are divided into combinational and sequential circuits.
- Logic gates such as AND, OR, NOT, NAND, NOR play crucial roles in digital circuit design.
Key Concepts
- -- Digital Computer
- A type of computer that operates on discrete signals, using binary representation (0s and 1s) to process data.
- -- Combinational Circuit
- A digital circuit whose output is purely determined by the current inputs, with no memory or feedback.
- -- Sequential Circuit
- A digital circuit whose output depends not only on the present inputs but also on the past history of inputs.
- -- Logic Gates
- Basic building blocks of digital circuits that process input signals based on logical functions.
- -- Universal Gates
- NAND and NOR gates, which can be used to implement any digital logic circuit.
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