Wikiapuntes

Documents shared by Anónimo

Chemistry

0

    • Protons — positive charge, found in nucleus

    • Neutrons — no charge, found in nucleus

    • Electrons — negative charge, orbit nucleus in energy levels

    Key Terms

    • Atomic Number (Z): number of protons

    • Mass Number (A): protons + neutrons

    • Isotopes: atoms of the same element with different numbers of neutrons

    • Ions: atoms that gain or lose electrons

      • Gain electrons → negative ion (anion)

      • Lose electrons → positive ion (cation)

    Important Formulas

    • Mass Number:

    A=Z+N

    • Average

...

See on Wikiteka »

chwatttttt

# Assignment 5 : Logistic Regression
# Upload Dataset
from google.colab import files
uploaded = files.upload()
# Import Libraries
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
from sklearn.model_selection import train_test_split
from sklearn.preprocessing import StandardScaler
from sklearn.linear_model import LogisticRegression
from sklearn.metrics import confusion_matrix
# Load Dataset
data = pd.read_csv("Social_Network_Ads.csv")
print("First 5 Records"
...

See on Wikiteka »

Security fr

Six phases/security concerns
Recruitment: The organization checks the applicant’s qualifications, references, and background before hiring. The security concern is reducing insider threats and hiring trustworthy employees.
Onboarding: The employee is officially added to company systems such as payroll and benefits. The security concern is making sure organizational policies and agreements are properly completed.
User provisioning: The employee receives accounts, devices, badges, and system access

...

See on Student Notes »

inglisc

A pro forma invoice is a sales document that is issued by the seller, or exporter, before the goods are delivered. It has no fiscal value and the buyer isn't required to pay the amount listed. It is only used as a quotation which the buyer needs for a customs declaration in international shipping or to obtain an import licence - a governmental document that allows the importer to bring the goods into their country. A commercial invoice is a legal document issued by the seller after the goods have

...

See on Student Notes »

Political

Modern political theory is a systematic study of the state, government, and the fundamental values that govern collective human existence. Unlike classical theory, which was often rooted in idealism and religious morality, modern theory emerged alongside the Enlightenment, prioritizing human reason, secularism, and empirical observation.
​To understand its nature for a 15-mark analysis, we can break it down into the following key dimensions:
​1. Shift from Idealism to Realism
​The nature of modern...

See on Wikiteka »

cnc paper

Feature NC Machine CNC Machine DNC Machine
Full Form Numerical Control Computer Numerical Control Direct Numerical Control
Control Method Controlled by punched tape/cards Controlled by onboard computer Controlled by central computer network
Program Storage External tape storage Stored in machine memory Stored in central computer
Editing of Program Difficult Easy editing possible Very easy and centralized editing
Flexibility Less flexible More flexible Highly flexible
Accuracy Moderate
...

See on Student Notes »

bcdlt

Ethereum is a decentralized, open-source blockchain platform used for executing smart contracts and developing decentralized applications (DApps). It was proposed by Vitalik Buterin in 2013. Ethereum extends blockchain functionality beyond cryptocurrency by providing a programmable platform. Architecture of Ethereum 1. Blockchain Layer: Ethereum maintains a distributed ledger where all transactions and smart contract data are stored in blocks connected cryptographically. Every node maintains a copy

...

See on Student Notes »

BCPS END

barriers of the professional communication:-1. Personal Barriers : - Attitudes and Opinions ,  Lack of Self-confidence ,  Lack of Knowledge , Lack of Vocabulary , Lack of Listening Skill 2. Physical Barriers :- Noise , Time and Distance , Wrong Choice of Medium , Surroundings  , Inadequacy of Message Design 3. Social Barriers:- Language Barrier , Culture Barrier 4. Business Barriers  : - -External Barriers: , Semantic Barrier , Inattention , Perceptual Barrier , - Organisational Barriers: Complex
...

See on Wikiteka »

phycology

 2: Air Pressure and Atmospheric Circulation

Air Pressure

  • Force exerted by the weight of air on Earth's surface.
  • Measured by barometer.
  • Standard sea-level pressure = 1013.25 mb (hPa).

Factors Affecting Air Pressure

  1. Temperature
  2. Altitude
  3. Water vapour
  4. Earth's rotation

Pressure Belts

Latitude Belt
0° Equatorial Low (Doldrums)
30° Subtropical High (Horse Latitudes)
60° Subpolar Low
90° Polar High

Memory Trick

0 Low → 30 High → 60 Low → 90 High

Forces Affecting Winds

...

See on Student Notes »