Introduction to Computing and Information Technology 1

Course Overview

  • Course: TM111 - Introduction to Computing and Information Technology 1

  • Assessment Breakdown:

    • MTA: 30%

    • TMA: 20%

    • Final Exam: 50%

Course Content

  • Major Topics:

    • Living in a digital world

    • Numbers, strings, and lists

    • Introduction to selection

    • Introduction to loops

    • Modular programming

    • Algorithms

    • Network technologies

    • The Internet

    • Wireless communications

    • The Internet of Things

    • Online communication

    • The Networked Society

Living in a Digital World

  • Overview:

    • Investigates various aspects of the digital world.

    • The significance of digital technologies in daily life through aspects like music, images, email, and social networking.

    • Emphasizes key skills for effective learning:

    • Communication

    • Numeracy

    • Practical and professional skills

    • Digital and information literacy (DIL) skills

Definition of Digital World

  • Technology Involved:

    • Explores legal, social, and ethical considerations surrounding the digital world.

  • Evolution of Computers:

    • Discusses the journey of computers from rare, large, and expensive items to ubiquitous devices.

    • Introduces the concept of using binary numbers for digital representation.

Digital Media and Data

  • Binary Representation:

    • Images and sound are represented as binary numbers in computers.

  • Data Representation:

    • Relationship between data, computers, and humans explored under the idea of a data-driven world.

  • Human-Computer Interfaces (HCI):

    • Interfaces serve as shared boundaries between users and computers.

    • Concepts introduced: Usability and Accessibility.

Development of Digital Technologies

  • From Rarity to Ubiquity:

    • Evolution from the expensive 1950s equipment to modern networks and devices.

    • Comparison:

    • Development of computers compared to telephones.

    • Introduction of the term Information Society.

The Telephone

  • Historical Usage:

    • Initially, telephones were costly, leading to limited use.

    • Advancements have made telephones cheaper and easier to use, leading to widespread adoption.

Modern Computer Usage

  • Transformation:

    • Computers have shrunk in size and cost, becoming common household items.

    • Powerful computers embedded in everyday objects (e.g., smartphones, game consoles, cars).

    • The Convergence of computing and telephone systems in devices such as smartphones leading to new services and goods.

    • Example: Mobile phones facilitating photography and sharing via digital capabilities.

The Internet and the Web

  • Definition of Internet:

    • A global network linking multiple networks.

  • Definition of Web:

    • A service that allows for the linking and sharing of information across computers.

    • Importance of distinguishing between “searching the web” and “searching the internet.”

Network Technologies

  • ICT Impact:

    • Changing perceptions of time and location; distance no longer limits social or commercial interaction.

  • Network Infrastructure:

    • Example of network cables with glass strands capable of transmitting vast amounts of data.

Information, Knowledge, and Learning

  • Societal Change:

    • The dawn of the digital age compared to the Industrial Revolution due to significant technological and social transformations.

    • Introduces Information Society and Network Society.

  • Knowledge Society:

    • Importance of continuous learning beyond traditional education due to rapid technological changes.

Digital World Aspects

Business and Financial Services

  • Communication with Banks:

    • Debit and credit transactions involve networks connecting to central databases.

  • Online Banking:

    • Banks providing more services online, reducing physical branch usage.

E-commerce

  • Emergence of Retailers:

    • Online retailers like Amazon transforming commerce.

    • Allows even small businesses to have a global online presence.

  • Advantages and Disadvantages of Online Shopping:

    • For Buyers: More choices and tracking capabilities but can't physically try items.

    • For Sellers: Reduced need for physical storefronts but reliant on effective delivery services.

Online Communities and Communication

  • Impact of the Internet:

    • Transforms communication through emails, forums, and social media.

    • Creation of new and existing communities with varied communication methods.

Information Availability

  • Diverse Resources:

    • Numerous sources online create a mix of official and unofficial content, raising concerns about authority and correctness.

    • Example: Wikipedia as a dual-edge platform with both high-quality and misleading content.

Entertainment

  • Media Consumption Evolution:

    • Changes in the production and distribution of entertainment through digital means.

    • Copyright issues prompting discussions about digital rights management (DRM).

Security and Risks

Identity Verification

  • Importance of Identity Proof:

    • Necessitated by the vast amount of personal data being stored online.

  • Biometric Technologies:

    • Adoption of facial and iris recognition technologies.

Internet Etiquette

  • Netiquette Guidelines:

    • Principle: "Treat others as you would want to be treated.”

    • Emphasizes respectful online behavior to ensure positive communication.

  • Emotional Misunderstanding:

    • Lack of non-verbal cues in online communication can lead to misinterpretations.

    • Development of emoticons to express emotions effectively in digital messages.

Moderator Roles in Forums

  • Definition and Importance:

    • Moderators maintain respectful discourse, enforce rules, and manage community interactions.

  • Practical Forum Usage Tips:

    • Guidelines for effective forum participation including relevance, brevity, and adherence to established norms.

Ethical and Legal Considerations

  • Rights and Responsibilities:

    • Awareness of free expression coupled with the obligation to respect others’ rights and properties.

    • Importance of privacy, confidentiality, and intellectual property in communications.

  • Confidentiality Protocols:

    • Emails are akin to private letters - should not be forwarded without permission.

Online Safety

Malware Types

  • Virus:

    • Malicious software that attaches to programs to cause damage to your computer.

  • Worm:

    • Malicious software that operates in the background, often causing damage without the user's knowledge.

  • Trojan:

    • Software appearing legitimate but causing harmful effects behind the scenes.

  • Ransomware:

    • Locks users out of their own data until a ransom is paid.

Protection Strategies

Computer Safety

  • Essential Steps:

    • Keep OS, software up to date.

    • Use anti-virus and firewall software to guard against threats.

    • Exercise caution when opening files from external sources.

Spam and Hoaxes

Spam

  • Definition:

    • Unsolicited messages aimed at a wide audience, often for advertising.

  • Harvesting Email Addresses:

    • Techniques used by spammers to collect emails include database breaches and random email creation.

    • Recommendations to avoid spam and protect personal information.

Hoaxes

  • Definition and Types:

    • Messages intended to mislead recipients, ranging from benign rumors to dangerous advice.

  • Phishing:

    • A type of hoax aimed at obtaining sensitive information under false pretenses.

Summary of Key Concepts

  • Key Learning Outcomes:

    • Understanding the digital world and ICT's role.

    • necessary management of online identity.

    • Awareness of legal and ethical issues in the digital landscape.

    • Importance of collaborative work online using netiquette principles.