This document discusses Boolean algebra and logic gates. It defines Boolean algebra as a mathematical system using two values, typically true/false or 1/0. Boolean expressions are created using common operators like AND, OR, and NOT. Truth tables define the outputs of these operators. Logic gates are physical implementations of Boolean operators, including AND, OR, NAND, and NOR gates. Laws like De Morgan's theorem and the properties of universal gates like NAND and NOR are also covered.
Because binary logic is used in all of today´s digital computers and devices, the cost of the circuit that implement it is important factor addressed by designers- be they computer engineers, electrical engineers, or computer scientist.
Because binary logic is used in all of today´s digital computers and devices, the cost of the circuit that implement it is important factor addressed by designers- be they computer engineers, electrical engineers, or computer scientist.
In which i describe all the features of decoder. All the functionalities describe with the circuits and truth tables. So download and learn more about decoder. Decoder Full Presentation.
In which i describe all the features of decoder. All the functionalities describe with the circuits and truth tables. So download and learn more about decoder. Decoder Full Presentation.
Types of database processing,OLTP VS Data Warehouses(OLAP), Subject-oriented
Integrated
Time-variant
Non-volatile,
Functionalities of Data Warehouse,Roll-Up(Consolidation),
Drill-down,
Slicing,
Dicing,
Pivot,
KDD Process,Application of Data Mining
Data Warehouse Physical Design,Physical Data Model, Tablespaces, Integrity Constraints, ETL (Extract-Transform-Load) ,OLAP Server Architectures, MOLAP vs. ROLAP, Distributed Data Warehouse ,
Data marts,Types of Data Marts,Multidimensional Data Model,Fact table ,Dimension table ,Data Warehouse Schema,Star Schema,Snowflake Schema,Fact-Constellation Schema
Introduction to Electronic Commerce: Introduction of commerce, Electronic
commerce framework, electronic commerce and media convergence, the anatomy
of e-commerce application,The Network for Electronic Commerce: Need of network, market forces
influencing the I-way, components of I-way, network access equipment, and
global information distribution network.
The Internet as a Network Infrastructure: Introduction, the Internet terminology,
NSFNET: Architecture and Components, Internet governance: The Internet
Society.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
2. Boolean algebra
Boolean algebra is a mathematical system for the manipulation of
variables that can have one of two values.
In formal logic, these values are “true” and “false.”
In digital systems, these values are “on” and “off,” 1 and 0, or “high”
and “low.”
Boolean expressions are created by performing operations on
Boolean variables.
Common Boolean operators include AND, OR, and NOT.
3. 3
A Boolean operator can be
completely described using a truth
table.
The truth table for the Boolean
operators AND and OR are shown
at the right.
The AND operator is also known as
a Boolean product. The OR
operator is the Boolean sum.
Boolean algebra & Truth Table
4. 4
Boolean Algebra
The truth table for the
Boolean NOT operator is
shown at the right.
The NOT operation is most
often designated by an
overbar. It is sometimes
indicated by a prime mark ( ‘
) or an “elbow” ().
Boolean algebra
5. 5
Boolean Algebra
A Boolean function has:
• At least one Boolean variable,
• At least one Boolean operator, and
• At least one input from the set {0,1}.
It produces an output that is also a member of
the set {0,1}.
6. Basic Theory of Boolean Algebra
Some basic laws for Boolean Algebra
A . 0 = 0 where A can be either 0 or 1.
A . 1 = A where A can be either 0 or 1.
A . A = A where A can be either 0 or 1.
A . Ā = 0 where A can be either 0 or 1.
A + 0 = A where A can be either 0 or 1.
A + 1 = 1 where A can be either 0 or 1.
A + Ā = 1
A + A = A
A + B = B + A where A and B can be either 0 or 1.
A . B = B . A where A and B can be either 0 or 1.
7. Duality theorem
Dual of the Boolean expression is derived by:
Replacing AND operation by OR
Replacing OR operation by AND
All 1's are changed to 0
All 0's are changed to 1
Variables and complements are left unchanged.
Example: X+Y'Z+0 = (0+X).(Y'+Z).1 XY'+XYZ+YZ' = (X+Y').(X+Y+Z).(Y+Z')
8. Postulates
(1) A + 0 = A A · 1 = A identity
(2) A + NOT[A] = 1 A · NOT[A] = 0 complement
(3) A + B = B + A A · B = B · A commutative law
(4)
A + (B + C) = (A + B) +
C
A · (B · C) = (A · B) · C associative law
(5)
A + (B · C) = (A + B) · (A
+ C)
A · (B + C) = (A · B) + (A
· C)
distributive law
9. De Morgan's theorem
First Theorem:
The De-Morgan's first theorem states that, "The complement of a sum
equals to the product of the complements".
i.e. (A+B)'=A'.B’
11. De Morgan's theorem
Second Theorem:
De Morgan's second theorem states that, "The complement of a product is
equal to the sum of the complements."
i.e. (A.B)'=A'+B'
13. Introduction to Logic Gates
AND Gate
It is an electronic circuit, which generates an output signal of 1 if and only
if all input signals are also 1
An AND gate is the physical realization of the logical multiplication ( AND
operation
18. OR Gate
It is an electronic circuit, which generates an output signal of 1, if any
of the output signals is 1
It is the physical realization of logical OR
23. NOT Gate
It is an electronic circuit that generates an output signal, which is
reverse of input signal
It is the physical realization of complementation operation
Not Gate is also called inverter because it inverts the input
32. Universal gates
A universal gate is a gate which can implement any Boolean function without
need to use any other gate type.
The NAND and NOR gates are universal gates. In practice, this is
advantageous since NAND and NOR gates are economical and easier to
fabricate and are the basic gates used in all.
NAND Gate is a Universal Gate :-To prove that any Boolean function can be
implemented using only NAND gates, we will show that the AND, OR, and
NOT operations can be performed using only these gates.
Implementing an Inverter Using only NAND Gate: All NAND input pins
connected to the input signal A gives an output A’.
33. Implementing AND Using only NAND Gates: The AND is replaced by a NAND
gate with its output complemented by a NAND gate inverter.
Implementing OR Using only NAND Gates: The OR gate is replaced by a NAND gate
with all its inputs complemented by NAND gate inverters.
34. NOR Gate is a Universal Gate:
To prove that any Boolean function cannot be
implemented using only NOR gates, we will show that the
AND, OR, and NOT operations can be performed using
only these gates.
NOT gate A+B
35. Complement of a function
The complement of a function F is F' and is obtained from an interchange of 0's for 1's and
1's for 0's in the value of F.
Two ways of getting complement of a Boolean function:
1. Applying De-Morgan’s theorem as many times as necessary
For example: -
Find the complement of the function F1 and F2.
The complement of F1 is F1’ where F1=(x'yz' + x'y'z) so
F1 ‘=(x'yz' + x'y'z)’
= (x'yz')'(x'y'z)'
= (x + y' + z)(x + y + z')
F2' = [x(y'z' + yz)]'
= x' + (y'z' + yz)'
= x' + (y'z')'· (yz)'
= x' + (y + z)(y' + z')