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System/Software Development Life Cycle (SDLC)_ SS2 NOTE

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System/Software Development Life Cycle (SDLC)- Definition, Description, Stages, and Diagram Objective: 1. Define System Development Life Cycle 2. List the stages of the System Development Life Cycle 3. Draw SDLC Diagram Definition and Description of System Development Life Cycle   (SDLC) The system development life cycle can be defined as a project management technique that divides complex projects into smaller, more manageable segments or phases. A system development life cycle has three primary objectives: To ensure that high-quality systems are delivered, to provide strong management controls over the projects, and to maximize the productivity of the systems staff. A project is an individual or collaborative enterprise that is carefully planned to achieve a particular aim.   Stages of the System Development Life Cycle (SDLC) The major stages in the system development life cycle are: i. Preliminary study ii. Feasibility study iii. Investigative study i...
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BASIC COMPUTER OPERATION - BOOTING (SS1 NOTES)

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  Basic Computer Operation  Booting (Description/Definition), Types of Booting, Components of Windows Desktop, Process of Shutting Down the System Definition of Booting Booting is the process of starting a computer system and loading the operating system into the computer’s memory. When a computer is switched on, it performs checks and prepares the system for use Description of the Booting Process When the computer’s power is first turned on, the CPU (Central Processing Unit) initializes itself to look for the system’s ROM BIOS (Read Only Memory Basic Input Output System) which is the first program that runs every time the computer is turned on. The BIOS performs the Power-On Self-Test (POST), which begins by checking the BIOS chip and then testing CMOS (Complementary Metal Oxide Semiconductor) RAM. If the POST does not detect a battery failure, it then continues to initialize the CPU (Central Processing Unit), checking the hardware devices to ensure they are functioning pro...
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EMERGING TECHNOLOGIES - ARTIFICIAL INTELLIGENCE (AI) AND INTERNET OF THINGS (IOT) - JS1 NOTES

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 EMERGING TECHNOLOGIES  ARTIFICIAL INTELLIGENCE (AI) AND INTERNET OF THINGS (IOT) MEANING, EXAMPLES, ADVANTAGES AND DISADVANTAGES Meaning of Artificial Intelligence (AI) Artificial Intelligence is the ability of computers or machines to perform tasks that normally require human intelligence. These tasks include: a. Learning b. Solving problems c. Recognizing voices or images d. Making decisions AI allows machines to think and act smartly like humans. Examples of AI Around Us a.  Voice assistants (Siri, Alexa, Google Assistants) b. Facial recognition in phones c. Chatbots d. Self-driving cars e. Translation apps Advantages of AI 1. Makes work easier 2. Saves time 3. Works faster than humans Disadvantages of AI 1. Expensive to develop 2. May replace human jobs 3. Needs electricity and internet Meaning of Internet of Things (IoT) Internet of Things refers to physical devices connected to the internet that can collec...
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DIGITAL TECHNOLOGIES - JS1 (3RD TERM SCHEME OF WORK) FOR 2025/2026 ACADEMIC SESSION

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    JS1 - 3 RD  TERM DIGITAL TECHNOLOGIES   SCHEME OF WORK WEEKS 1. Emerging Technologies - Explain AI, and IoT (Internet of things) 2. Introduction to Databases - Define database; Differentiate data/information 3. Practical Database Management - Create/edit tables; 4. Types of Computer - Analog, Digital and Hybrid - meaning and examples 5. Uses/Applications of Computers- Schools- Hospitals-Government Offices-Banks..e.t.c 6. Advantages and Disadvantages of Computers 7. Mid Term Break 8. Screen Pointing Devices 1- Meaning/Description, Types and Examples of Screen Pointing Devices- Mouse, Trackball, Joystick, Pointing Stick, Finger Tracker, Graphics Tablet, Stylus, Light Pen e.t.c 9.  Screen Pointing Devices 2-  (Continuation) -Mouse Techniques- Click-Double Click-Right Click- Left Click-Drag and Drop- Scroll 10. Revision 11-12. Examination 13. Vacation
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COMPUTER STUDIES-JS2 (3RD TERM SCHEME OF WORK) FOR 2023/2024 ACADEMIC SESSION

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  JS2 - 3 RD  TERM COMPUTER STUDIES SCHEME OF WORK 1.  The Internet 1 – Meaning, Internet Terminologies -  - Differences Between Email and Website Address - How to Open an E-Mail Address 2.  The Internet 2 –Internet Browser: Meaning, Examples- Opera, Google Chrome, Phoenix, Microsoft Edge e.t.c 3.  The Internet 3 - Benefits and Abuses of the Internet -Benefits- Collaboration-Research- Communication-Real Time-Artificial Intelligence - Abuses- Hacking- Pornography- Plagiarism- Cheating 4.  The Internet 4- The Internet Environment Using Google Chrome - Search Website and Launch it- * https://albestaacademylekki.sch.ng/ * *   https://unilag.edu.ng* * https://sunlitedigital.blogspot.com - Identify icons on the internet 5. The Internet 5 -  Network Groups- Meaning and types network groups: Mailing List, Discussion Group, News group, Chat Rooms e.t.c 6.  The Internet 6 -  File Sharing (Networking)- Computer Network- Meaning, Types, advanta...
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DIGITAL TECHNOLOGIES - SS2 (3RD TERM SCHEME OF WORK) FOR 2025/2026 ACADEMIC SESSION

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  SS2 - 3 RD  TERM (DIGITAL TECHNOLOGIES) SCHEME OF WORK WEEKS 1. System Development Life Cycle (SDLC)- Definition, Description, Stages, and Diagram 2.  System Development Life Cycle (SDLC) 2 (Cont) - Definition, Description, Stages, and Diagram 3. Program Development 1- Definition, Characteristics of a good program 4. Program Development 2- Steps in Program Development- Examples of Interpreted and Compiled Programs 5. Spreadsheet Package 1 (Introduction/Definition)- Examples, Uses, Basic Arithmetic Operators and Functions 6. Spreadsheet Package 2- (Advanced with Microsoft Excel): Practical & Group Work - Seminar Presentation 7. Mid Term Break 8. Algorithm and Flowchart 1- Meaning, Functions, and Characteristics 9. Algorithm and Flowchart 2- Flowchart (Meaning, Characteristics and Flowchart Symbols) 10. Revision 11-12. Examination 13. Vacation
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DIGITAL TECHNOLOGIES - SS1 (3RD TERM SCHEME OF WORK) FOR 2025/2026 ACADEMIC SESSION

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  SS1 - 3 RD  TERM (DIGITAL TECHNOLOGIES) SCHEME OF WORK WEEKS 1. Basic Computer Operation - Booting Describe the booting process List types of booting Start up a computer Identify components of the computer desktop Run an application program Shut down the computer system 2.  Coding with HTML 1 -Introduction Create a simple web page using basic tags Describe the purpose of HTML and tags when designing a website 3.  HTML 2 - Images and links Describe what is meant by the term ‘accessibility’ Extend an HTML page to include images <img> and hyperlinks <a href> 4.  HTML  3 – Adding Styles Describe how to add style to a webpage Identify the common features of existing websites and the basics of what makes good web design 5. HTML 4 – Project 1 Design and create pages for a mini website Create hyperlinks between pages stored locally within a folder Insert images stored locally within a folder 6. HTML 4 – Project 2 (Continuation) Design and creat...
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