Digital Logic Design in Hindi and Urdu |Handout Notes

Digital Logic Design in Hindi and Urdu |Handout Notes

DLD overview

A digital computer stores fact in phrases of digits (numbers) and proceeds in discrete steps from one nation to the following. The states of a digital computer usually contain binary digits which may also take the form of the presence or absence of magnetic markers in a garage medium, on-off switches or relays. In digital computers, even letters, phrases and complete texts are represented digitally. Virtual logic is the idea of digital structures, including computers and cellular phones. Virtual logic is rooted in binary code, a sequence of zeroes and ones each having a contrary price. This gadget enables the design of electronic circuits that carry records, consisting of logic gates. Virtual common sense gate features encompass and, or and no longer. The cost gadget translates input alerts into precise output. Virtual logic enables computing, robotics and different digital packages.

Digital Logic Design in Hindi and Urdu |Handout Notes

Virtual common-sense design is foundational to the fields of electrical engineering and pc engineering. Virtual good judgment designers build complicated digital components that use both electric and computational traits. These characteristics may additionally involve electricity, modern-day, logical characteristic, protocol and consumer input. Virtual common-sense design is used to broaden hardware, inclusive of circuit boards and microchip processors. This hardware strategies user input, device protocol and other facts in computers, navigational structures, mobile telephones or other excessive-tech systems.

 

Digital vs. Analog

Digital vs. Analog natural forces and signals are all analog (or continuous) which means we hear, see and change items in a continuous manner. On the other hand, our digital technology (also called non-continuous or 2-value discrete) more effectively allows us to process and communicate more effectively. All digital systems from the smallest to largest run on a 2-valued system (also called binary system). So, a mechanism is needed to represent the two values.

This is typically accomplished with a switch that can be on or off. In the early days, mechanical switches were used, followed by vacuum tubes as switches. Today we use transistors that can be configured to approximate the switch on and off modes. Transistors are fast, inexpensive and small. v transistor overview (the invention that makes today’s automation possible) Ø the transistor, invented by three scientists at the bell laboratories in 1947, rapidly replaced the vacuum tube as an electronic signal regulator.

Digital Logic Design in Hindi and Urdu |Handout Notes

Ø transistors are the basic elements in integrated circuits (ics). An ic consists of a very large number of transistors interconnected with circuitry and packaged into a single silicon microchip or “chip.” a typical processor chip has many millions of transistors. Ø a transistor is developed based on semiconductor material characteristic. Semiconductor material is given special properties by a chemical process called doping. The doping results in a material that either adds extra electrons to the material (which is then called type for the extra negative charge carriers) or creates “holes” in the material’s crystal structure (which is then called p-type because it results in more positive charge carriers). Today’s computers use circuitry made with complementary metal oxide semiconductor (CMOS) technology. CMOS uses two complementary transistors per gate (one with n-type material; the other with p-type material). When one transistor is maintaining a logic state, it requires almost no power when not switching.

Digital Logic Design in Hindi and Urdu |Handout Notes

Digital Logic Design in Hindi and Urdu |Handout Notes