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THE INTERNET IV - INTERNET ENVIRONMENT - LUNCH WEB BROWSER AND IDENTIFY THE ICON

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 CHARACTERISTICS FEATURES OF A WEB BROWSER Common features of a Web Browser are: 1. Address/Search Bar  2. Scroll/Arrow Button 3. Forward Button 4. Stop Button 5. Refresh Button 6. Bookmarks 7. Home Button 1.      Address/Search Bar :  the address bar (also location bar or URL bar) is  the element that shows the current URL . The user can type a URL into it to navigate to a chosen website. 2.  Scroll/Arrow: This    is clicked in order to scroll the screen in the corresponding direction 3.    Back and forward buttons : This  will take the user to the previous or the next page they were on. 4. Stop:  a button which makes a Web cease communication with a Web server, stopping a page from loading. 5.  Refresh :  a button which can be used to reload a Web page. 6.  Bookmarks: Bookmarks  allow a user to select specific, predefined-by-the-user websites. 7.  Home Button:  when selected, will bring...
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THE INTERNET 3 - BENEFITS AND ABUSES OF THE INTERNET - JS2 NOTES

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  THE INTERNET 3 BENEFITS AND ABUSES OF THE INTERNET                           BENEFITS OF THE INTERNET 1. It enables us to share resources globally 2. Access to information in a fast manner 3. It is cost effective 4. It allows online banking transactions 5. E- learning (online education) 6. E- friends (online friends) 7. E- entertainment 8. E- commerce (online shopping) 9.  Playing games 10. For Easy communication               ABUSES/ DISADVANTAGES   OF THE INTERNET 1. It is used by imposters to defraud people 2. Piracy of Software 3. Exposure to pornography 4. Hacking :  the gaining of unauthorized access to data in a system 5. Plagiarism :  the practice of taking someone else's work or ideas and passing them off as one's own. 6. Computer Virus :   malicious software, or malware, that spreads between computers and causes damage to data and software 7...
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PROGRAM DEVELOPMENT : DEFINITION AND CHARACTERISTICS OF A GOOD PROGRAM - SS2

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  PROGRAM DEVELOPMENT 1-2 DEFINITION,CHARACTERISTICS OF A GOOD PROGRAM, AND PRECAUTIONS IN WRITING PROGRAM. Definition of Program A program is a set of instructions that are executed by the CPU. A program can also be defined as an organized list of instructions that when executed cause the computer to behave in a predetermined manner. Without a program the computer is useless. Programs are written in computer programming language such as: PYTHON, PHP, JAVASCRIPT, CSS e.t.c Characteristic of a Good Program The following are characteristics of a good program. 1.  Accuracy:  Program should be sufficiently accurate to get the desired results. 2.  Extensibility:  this means that you should design the program so that you can add and remove an element from your program without disturbing the underlying structure of the program. 3.  Maintainability:  this is making your code easy to update 4.  Efficiency:  a good program should be designed to use the...
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CODING WITH HTML 1 -INTRODUCTION - DESCRIBE THE PURPOSE OF HTML AND TAGS WHEN DESIGNING A WEBSITE

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  CODING WITH HTML 1  INTRODUCTION DESCRIBE THE PURPOSE OF HTML AND TAGS WHEN DESIGNING A WEBSITE,  CREATE A SIMPLE WEB PAGE USING BASIC TAGS INTRODUCTION What is HTML? HTML stands for Hyper Text Markup Language HTML is the standard markup language for creating Web pages HTML describes the structure of a Web page HTML consists of a series of elements HTML elements tell the browser how to display the content HTML elements label pieces of content such as "this is a heading", "this is a paragraph", "this is a link", etc. A Simple HTML Document Example <!DOCTYPE html> < html > < head > < title > Page Title < /title > < /head > < body > < h1 > My First Heading < /h1 > < p > My first paragraph. < /p > < /body > < /html > Example Explained The <!DOCTYPE html> declaration defines that this document is an HTML5 document The <html> element is the root element of an ...
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INTRODUCTION TO DATABASE - MEANING OF DATABASE, DIFFERENCES BETWEEN DATA AND INFORMATION, ADVANTAGES OF DATABASE - JS1 NOTES

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  Introduction to Database Meaning of Database,  Differences Between Data and Information, Advantages of Database Meaning of Database A database is an organized collection of related data stored in a computer system so that it can be easily accessed, managed, and updated. A database helps people keep records properly and find information quickly. Examples of Databases Common examples of databases are: a. School records database b. Hospital database c. Library database d. Bank database e. Student attendance database Differences Between Data and Information Data Information 1. Raw facts and figures e.g 75, A1 Processed and meaningful facts e.g Lagos is a state in Nigeria 2. Not Organized Organized and understandable 3. May not have meaning Has meaning 4. Used as input Used for decision making   Advantages of Database 1. Fast acce...
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Database Management System – Definition, Basic Database Terminologies, Forms of Database (SS3 NOTES)

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  Database Management System  Definition, Basic Database Terminologies, Forms of Database Definition of Database and DBMS Database is a collection of related data organized for rapid search and retrieval. It can also be defined as a persistent, logically coherent collection of inherently meaningful data, relevant to some aspects of the real world. DBMS (Data Base Management System) :  DBMS is an application software that controls the data in the database, including overall organization, storage, retrieval, security and data integrity. Examples of DBMS Packages (i) Dbase (ii) Rbase (iii) MS Access (iv) Oracle (v) Paradox (vi) MYSQL Server (vii) SyBase (viii) FOXPRO (ix) IDMS (x) System 2000. (xi) Ingres (xii) Postgres (xiii) NoSQL Basic Database Terminologies (i) Field:  A field is a specific item of information containing a homogenous set of values throughout the table. Fields appear as columns in a table and as cells in a form. (ii) Record:  an individual listi...
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LOGIC GATES/CIRCUITS 1 - INTRODUCTION/DEFINITION, TYPES, SYMBOLS AND USES (SS2)

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 LOGIC GATES/CIRCUITS  1-2 INTRODUCTION/DEFINITION, TYPES, SYMBOLS AND USES Objective:  At the end of the lesson, the students should be able to: 1. Define logic gates 2. State the types of logic gate 3. Draw logic gates symbols 4.State the uses of logic gates DEFINITION OF LOGIC GATES A logic gate is an elementary building block of a digital circuit. M ost logic gates have two inputs and one output. At any given moment, every terminal is in one of the two binary conditions low (0) or high (1), represented by different voltage levels. Types of Standard Single Logic gate There are three types of standard single logic gates. They are: 1. AND gate 2. OR gate 3. NOT gate Alternative Logic Gates are: 4. NAND gate 5. NOR gate 6. EX -OR (Exclusive OR) gate 1.    AND gate :  AND gate will give a high output only if all of the inputs are high. It means multiplication (x). For example if A = 0 and B= 1, A AND B = 0 X 1 = 0 AND GATE SYMBOL 2. OR gate : This  is a...
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