File Name: digital electronic circuits and microprocessors .zip
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- Integrated circuit
- Digital Electronics Interview Questions
- Digital Circuits and Microprocessor Interfacing
Integrated circuit IC , also called microelectronic circuit , microchip , or chip , an assembly of electronic components, fabricated as a single unit, in which miniaturized active devices e. The individual circuit components are generally microscopic in size. Integrated circuits have their origin in the invention of the transistor in by William B. Brattain found that, under the right circumstances, electrons would form a barrier at the surface of certain crystals , and they learned to control the flow of electricity through the crystal by manipulating this barrier. Controlling electron flow through a crystal allowed the team to create a device that could perform certain electrical operations, such as signal amplification, that were previously done by vacuum tubes.
Logic Gates Questions And Answers Pdf
Integrated circuit IC , also called microelectronic circuit , microchip , or chip , an assembly of electronic components, fabricated as a single unit, in which miniaturized active devices e. The individual circuit components are generally microscopic in size. Integrated circuits have their origin in the invention of the transistor in by William B.
Brattain found that, under the right circumstances, electrons would form a barrier at the surface of certain crystals , and they learned to control the flow of electricity through the crystal by manipulating this barrier.
Controlling electron flow through a crystal allowed the team to create a device that could perform certain electrical operations, such as signal amplification, that were previously done by vacuum tubes. They named this device a transistor, from a combination of the words transfer and resistor.
The study of methods of creating electronic devices using solid materials became known as solid-state electronics. Solid-state devices proved to be much sturdier, easier to work with, more reliable, much smaller, and less expensive than vacuum tubes. Using the same principles and materials, engineers soon learned to create other electrical components, such as resistors and capacitors. Now that electrical devices could be made so small, the largest part of a circuit was the awkward wiring between the devices.
They laid very thin paths of metal usually aluminum or copper directly on the same piece of material as their devices. These small paths acted as wires. ICs can contain hundreds of thousands of individual transistors on a single piece of material the size of a pea.
Working with that many vacuum tubes would have been unrealistically awkward and expensive. The invention of the integrated circuit made technologies of the Information Age feasible. ICs are now used extensively in all walks of life, from cars to toasters to amusement park rides. Analog , or linear, circuits typically use only a few components and are thus some of the simplest types of ICs. Generally, analog circuits are connected to devices that collect signals from the environment or send signals back to the environment.
For example, a microphone converts fluctuating vocal sounds into an electrical signal of varying voltage. An analog circuit then modifies the signal in some useful way—such as amplifying it or filtering it of undesirable noise.
Such a signal might then be fed back to a loudspeaker, which would reproduce the tones originally picked up by the microphone. Another typical use for an analog circuit is to control some device in response to continual changes in the environment. For example, a temperature sensor sends a varying signal to a thermostat , which can be programmed to turn an air conditioner, heater, or oven on and off once the signal has reached a certain value.
A digital circuit, on the other hand, is designed to accept only voltages of specific given values. A circuit that uses only two states is known as a binary circuit.
Arithmetic is also performed in the binary number system employing Boolean algebra. These basic elements are combined in the design of ICs for digital computers and associated devices to perform the desired functions. Integrated circuit Article Media Additional Info. Article Contents. Print print Print. Table Of Contents. While every effort has been made to follow citation style rules, there may be some discrepancies.
Please refer to the appropriate style manual or other sources if you have any questions. Facebook Twitter. Give Feedback External Websites. Let us know if you have suggestions to improve this article requires login. External Websites. Public Broadcasting Service - Transistorized! Articles from Britannica Encyclopedias for elementary and high school students. See Article History. Alternative Titles: IC, chip, chip circuit, electronic-grade silicon, microchip, microcircuit, microelectronic circuit.
A typical integrated circuit, shown on a fingernail. Brattain, and William B. Learn about the ICL , a mainframe computer utilizing integrated circuit technology, made in the United Kingdom in the s. Get a Britannica Premium subscription and gain access to exclusive content. Subscribe Now. Different combinations of logic circuits. Load Next Page.
Skip to content. All Homes Search Contact. Kaushik published Digital Electronics Find, read and cite all the research you need on ResearchGate Digital methods have the following advantages over analog methods : 1. Anniversary Logo Design: Richard J. Devices used in applications such as these are constantly decreasing in size and employing more complex technology. The simplest task we can think of is a combinational type of logic decision.
A list of top frequently asked Digital Electronics Interview Questions and answers are given below. The difference between latches and Flip-flop is that the latches are level triggered and flip-flops are edge triggered. In latches level triggered means that the output of the latches changes as we change the input and edge triggered means that control signal only changes its state when goes from low to high or high to low. The system which has a base 2 is known as the binary system and it consists of only two digits 0 and 1. In this consist of three bits, we start writing the numbers from the rightmost bit power as 0 then the second bit as power 1 and the last as power 2. So, we can represent a decimal number as.
Digital Electronics Interview Questions
This section Contains digital electronics study notes, we have compiled this notes for the readers to know what they learned or what they will learn in the subject of digital electronics. Decimal system: the number system that contains 10 distinguished symbols that is or digits is called decimal system. As per the number of symbols its base or radix is Binary number system: the number system that contains only two distinguished symbols that is 0 and 1 is called binary number system. Hexadecimal number system: the number system that contains 16 distinguished symbols that is and A,B,C,D,E,F is called hexadecimal number system.
Digital Circuits and Microprocessor Interfacing
Topics include a gate that's equivalent to a circuit and the reason NOR and. Truth Table. What logic question can save the gringo's life?
Anand Kumar — The New edition of this well-received text continues to provide coherent and comprehensive coverage of digital circuits. It is designed for the undergraduate students pursuing courses in areas of engineering disciplines such as Electrical and Electronics, Electronics and Communication, Electronics and Instrumentation, Telecommunications, Medical Electronics, Computer Science and Engineering, Electronics and Computers and Information Technology. It is also useful as a text for MCA, M. Electronics and M. Computer Science students. Written in a student-friendly style, the book provides an excellent introduction to digital concepts and basic design techniques of digital circuits.
more conventional digital electronic circuits in conjunction with the microprocessor and its supporting devices. The trend in design of computer hardware has.
Foundation of Digital Electronics and Logic Design
Instrumentation for Engineers pp Cite as. In the preceding chapters we have seen how to use sensors, how to amplify or otherwise condition the analogue signal from a sensor, and how to convert data from analogue to digital form or vice versa. Although it is possible to process analogue signals entirely by analogue methods, processing and analysis is much easier if the data is in digital form and is available to a computer or microprocessor. The aim of this chapter is to introduce the subject of digital electronics, and in particular to consider how microprocessor-based computer systems may be interfaced to digital data acquisition and control systems. Unable to display preview. Download preview PDF.
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