Course Content
Mandatory Steps
Before accessing the course content, please complete the following essential steps to ensure a smooth learning experience: 1️⃣ Attempt the Pre-Assessment Test – This short test will help evaluate your current understanding of the subject. It is not graded but will provide insight into your knowledge level. 2️⃣ Watch the Demo Session – This session will give you an overview of the course structure, key topics, and how to navigate the learning materials effectively. Once you complete these steps, you can proceed to the main course content.
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Lecture : 1
Welcome to Lecture 1 of the "Introduction to Information and Communication Technologies (ICT)" course. This lecture serves as a foundational introduction to the world of ICT, exploring its basic concepts, components, and significance in various sectors of society. We will begin by defining Information Technology (IT) and Information and Communications Technology (ICT), highlighting their differences and interconnections. You will learn about the essential components that constitute ICT, such as software, hardware, communications technology, and data. Additionally, we will delve into the pivotal role that IT plays in different fields including education, finance, healthcare, and more. The lecture also introduces fundamental computing models like the Turing Model and the Von Neumann Model, providing a theoretical framework for understanding how computers process information. Finally, we will cover various input and output devices, essential for interacting with and utilizing ICT systems.
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Lecture : 2
Welcome to Lecture 2 of the "Introduction to Information and Communication Technologies (ICT)" course. This lecture focuses on how computers process data, providing an in-depth understanding of the core components and operations involved in the data processing cycle. We will begin by exploring the concept of data processing and the fundamental operations it involves: input, processing, storage, and output. You will learn about the Central Processing Unit (CPU), often referred to as the brain of the computer, including its main components and their functions. Additionally, we will cover different types of memory, such as RAM and ROM, and their roles in data processing. The lecture also delves into the importance of registers and cache memory for enhancing CPU efficiency, the function of buses and ports in data transfer, and the system clock and machine cycle that govern the timing of all computer operations. By the end of this lecture, you will have a comprehensive understanding of how computers transform raw data into useful information.
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Lecture : 3
Welcome to Lecture 3 of the "Introduction to Information and Communication Technologies (ICT)" course. This lecture focuses on the various types of storage devices used in computing, providing an in-depth understanding of their characteristics, advantages, and applications. We will begin by introducing the concept of storage devices and their importance in any computer system. You will learn about the three main categories of storage devices: magnetic, optical, and solid-state storage devices. Each type will be discussed in detail, with examples to illustrate how they store data and their specific uses. Additionally, we will cover the data read and write processes, which are fundamental to the operation of these storage devices. By the end of this lecture, you will have a comprehensive understanding of different storage technologies and how they are used to manage and store data effectively.
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Task 3: Feedback on Videos
We’d love to hear your feedback! Please answer a few short questions about the interactive videos you’ve watched: ✅ Lecture 1: Introduction to ICT ✅ Lecture 2: How Computers Process Data ✅ Lecture 3: Storage Devices Your answers will help us improve the content and make your learning experience even better!
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Quiz: Applications of ICT
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Lecture : 4
Welcome to Lecture 4 of the "Introduction to Information and Communication Technologies (ICT)" course. This lecture focuses on how computers represent data, providing a comprehensive understanding of the different methods and systems used to encode and store information. We will start by exploring the basic concepts of data representation and the types of signals used in computers, namely analog and digital signals. You will learn about the binary system, which forms the foundation of all data representation in computers. The lecture will cover three main forms of data representation: number systems, bits and bytes, and text codes. Each of these forms will be discussed in detail, with examples to illustrate their applications and importance. By the end of this lecture, you will have a solid grasp of how computers convert and store various types of data using binary systems and coding schemes.
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Task 5 : Module 2 – Pre-Knowledge Assessment
his assessment consists of 50 MCQs and is mandatory for all students. It aims to measure your current knowledge before starting the next four video lectures of "Applications of ICT." 🔹 No impact on your CGPA. 🔹 Honest attempts are encouraged. 🔹 Complete it to continue to the next module.
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Task 6 : Assignment
Total Marks: 20 | Due Date: Sunday, May 4, 2025 – Before 1:30 PM Parts: Part A: Concept in Your Words (5 Marks) Part B: Storage Devices & Real-World Connection (5 Marks) Part C: ICT Applications & Impact (10 Marks)
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Lecture: 5
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Task 7
Here are a 2 concise and engaging home task for you after watching Lecture 5 (Number Systems) and Lecture 6 (Number System Arithmetic):
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Lecture : 7
This lecture introduces system software and application software, explaining their roles in managing computer operations and supporting user tasks. It highlights how both types work together to enable smooth and effective computing.
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Lecture : 8
An essential guide to how computer networks connect us—and how cybersecurity keeps us safe.
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Applications of ICT (CSC101)
About Lesson

Lecture # 3: “Storage Devices” 

Machine Cycle; Memory: Volatile & Non-Volatile, Flash Memory, Registers, Cache Memory; Bus & Types, and Ports.

Explore More on This Topic

 

Weblog: Deep Dive into the Topic

Video: Watch Related Insights

Published Articles: In-Depth Research

Reference Book: Essential Reading

 

 

By the end of this lecture, students will be able to:

 

  • Understand the Concept of Data Processing:
  • Define data processing and explain its significance in transforming raw data into useful information.
  • Describe the data processing cycle, including the operations of input, processing, storage, and output.
  • Explain the Role of the Central Processing Unit (CPU):
  • Identify the CPU as the brain of the computer responsible for data processing.
  • Describe the functions of the CPU’s main components: the Arithmetic and Logic Unit (ALU) and the Control Unit (CU).
  • Describe Different Types of Memory:
  • Explain the difference between volatile and non-volatile memory.
  • Describe the roles of RAM (Random Access Memory) and ROM (Read Only Memory) in data storage and processing.
  • Understand the Importance of Registers and Cache Memory:
  • Identify the various registers in the CPU and their specific functions.
  • Explain the role of cache memory in speeding up data transfer and processing, including the different levels of cache memory (L1, L2, and L3).
  • Explain the Function of Buses and Ports:
  • Define a bus and describe its role in data transfer between computer components.
  • Identify different types of buses (data bus, address bus, control bus) and their functions.
  • Describe various types of ports (serial, parallel, USB, and special purpose ports) and their uses in connecting peripheral devices.
  • Describe the System Clock and Machine Cycle:
  • Explain the role of the system clock in controlling the timing of computer operations.
  • Describe the four steps of the machine cycle: fetch, decode, execute, and store.

These learning objectives aim to provide a detailed understanding of the components and processes involved in how computers process data, setting a solid foundation for more advanced topics in subsequent lectures.

 

Explore More on This Topic

 Weblog: Deep Dive into the Topic

Video: Watch Related Insights

Published Articles: In-Depth Research

Reference Book: Essential Reading

Additional Resources

 

By the end of this lecture, students will be able to:

  1. Understand the Concept and Importance of Storage Devices:
    • Define storage devices and explain their role in computer systems.
    • Describe how storage devices ensure data availability even when the computer is turned off.
  2. Identify and Describe Magnetic Storage Devices:
    • Explain the principles of magnetic storage and its non-volatile nature.
    • Identify common magnetic storage devices such as hard disks, floppy disks, and magnetic tapes.
    • Discuss the characteristics and uses of each type of magnetic storage device.
  3. Understand Optical Storage Devices and Their Applications:
    • Describe how optical storage devices use lasers to read and write data.
    • Identify common optical storage devices such as CD-ROMs, DVD-ROMs, Blue Ray discs, and HD DVDs.
    • Explain the storage capacities and typical uses of each type of optical storage device.
  4. Describe Solid-State Storage Devices and Their Benefits:
    • Explain how solid-state storage devices store data electronically without moving parts.
    • Identify common solid-state storage devices such as flash memory, USB memory sticks, memory cards, and smart cards.
    • Discuss the advantages of solid-state storage, including speed, durability, and low power consumption.
  5. Explain the Data Read and Write Processes:
    • Describe the basic operations of reading and writing in the memory unit.
    • Explain the role of the address bus, data bus, and control bus in these operations.
    • Discuss the differences between the read and write operations, including their steps and impact on data.

These learning objectives aim to provide a detailed understanding of the different types of storage devices, their characteristics, and how they are used in computing. This foundational knowledge will set the stage for more advanced topics in subsequent lectures