COMP.1047 - 2026W - Information Technology, the Internet, and You

[Audio] Week 1 1. Information Technology – Internet Dr. Andreas S. Maniatis Assistant Professor School of Computer Science COMP.1047 – Computer Concepts [2026W] Monday, January 5th, 2026.

[Audio] Learning Objectives 1. Explain the parts of an information system: people, procedures, software, hardware, data, and the Internet. 2. Distinguish between system software and application software. 3. Differentiate between the three kinds of system software programs. 4. Define and compare general-purpose, specialized, and mobile applications. 5. Identify the four types of computers and the five types of personal computers. 6. Describe the different types of computer hardware, including the system unit, input, output, storage, and communication devices. 7. Define data and describe document, worksheet, database, and presentation files. 8. Explain computer connectivity, the wireless revolution, the Internet, cloud computing, and l o T. © McGraw Hill 2.

[Audio] Parts of an Information System People. Procedures. Software. Hardware. Data. Internet. © McGraw Hill 4.

[Audio] People Most important part of any system. Ways this text helps you become a more efficient and effective computer users. Making IT Work for You. Tips. Privacy. Prostock-studio/Shutterstock Community. Ethics. Careers in IT. © McGraw Hill 5.

[Audio] Software Software/Programs: Tell the computer how to process data into the form you want. Two major kinds of software: System Software: Software used by computers. Application Software: Software you use. © McGraw Hill 6.

[Audio] System Software Software that enables application software to interact with the computer hardware. Background software helps manage resources. Collection of system programs including: Operating Systems. Utilities. © McGraw Hill 9.

[Audio] Operating System Coordinates computer resources Provides the user interface Runs applications. Types of Operating Systems: Embedded operating system. Microsoft Corporation Used by Smartphones, tablets, and Windows 10 other mobile devices. Also known as real-time operating systems (R T O S). Standalone operating system. Used by desktops. Apple, Inc. Networking operating systems. macOS Used to run networks. Access the text alternative for slide images. © McGraw Hill 10.

[Audio] Utilities Perform specific tasks related to managing computer resources. Example: Antivirus Program. Protects from viruses. Can damage your software or hardware. Comprise the security and privacy of personal data. © McGraw Hill 11.

[Audio] Application Software End-user software. Types of application software include: 1. General-Purpose applications. Word Processor. Spreadsheets. Database Management Systems. Presentation software. 2. Specialized applications. Web Authoring. 3. Apps. Social media apps. © McGraw Hill 12.

[Audio] Hardware – Types of Computers Supercomputers. Most powerful computers. Mainframe computers. Process large amounts of data. Midrange computers. Servers. Personal computers. PC's. Five types of PC's. © McGraw Hill 13.

[Audio] Personal Computer Types Yasin Hasan/Shutterstock alxpin/Getty Images Desktop Wearables Quang NGUYEN DUC/Alamy Stock Photo Smartphones Bloomberg/Getty Images Kaspars Grinvalds/Shutterstock Tablet Laptop (Notebook) © McGraw Hill 14.

[Audio] Personal Computer Hardware Four basic categories of equipment: System Unit. Input/Output. Secondary Storage. Communication. © McGraw Hill 15.

[Audio] System Unit Houses most of the electronic components. Contains two important components: Microprocessor. Memory. Holds data currently being processed. Holds the processed (CPU): vetkit/Getty Images; (RAM): scanrail/123RF; (Microprocessor): Matveev Aleksandr/Shutterstock information before it is output. Temporary storage, contents are lost when power is off. © McGraw Hill 16.

[Audio] Input/Output Devices Input: Translate data into computer language. Keyboard and Mouse. Output: Translate computer data into usable information. Display, also known as the monitor. © McGraw Hill 17.

[Audio] Secondary Storage Holds data and programs even if power is off. Hard disk. Solid-state storage: No moving parts. More reliable. Requires less power. NMStudio789/Shutterstock Optical disc: Laser technology. CD's, DVD's, Blu-ray. Access the text alternative for slide images. © McGraw Hill 18.

[Audio] Communication Communication devices: Provide the ability for personal computers to communicate. Modems: Modify audio, video and other types of data for Internet usage. © McGraw Hill 19.

[Audio] Data Raw, unprocessed facts. Processed data becomes information. Digital data is stored electronically in files. © McGraw Hill 20.

[Audio] Common Types of Files Document. Worksheet. Database. Presentation. Presentation: Microsoft Corporation; Zoom Pet Photography/Image Source/Getty Images; Database: Microsoft Corporation; Sam Edwards/age fotostock; Worksheet: Stockbyte/Getty Images; Document: Microsoft Corporation; Panksvatouny/Shutterstock Access the text alternative for slide images. © McGraw Hill 21.

[Audio] Connectivity and the Mobile Internet Connectivity: Sharing of information. Network: Communications system connecting two or more devices. Central to the concept of connectivity. Largest network is the Internet. Web provides a multimedia interface for Internet resources. © McGraw Hill 22.

[Audio] Forces of Technology 1. Cloud computing. Computers on the Internet. Access to more resources. 2. Wireless technology. Changing the way we communicate. Tablets, smartphones, wearable devices. 3. The Internet of Things (I o T). Continuing development of the Internet. Allowing all types of devices to communicate. © McGraw Hill 23.

[Audio] Careers in IT Web Developer: Computer Technician: Develops and maintains Repairs and installs websites and web resources. computer components and systems. Software Engineer: Technical Writer: Analyzes users' needs and Prepares instruction creates application software. Computer Support Specialist: manuals, technical reports, and other scientific or technical documents. Provides technical support to customers and other users. Network Administrator: Creates and maintains computer networks. © McGraw Hill 24.

[Audio] A Look to the Future Using and Understanding Information Technology: The Internet and the Web. Powerful Software. Powerful Hardware. Privacy, Security, and Ethics. Matt Bird/Getty Images Organizations. Changing Times. Access the text alternative for slide images. © McGraw Hill 25.

[Audio] Thank you! Questions? Dr. Andreas S. Maniatis Assistant Professor [email protected] http://www.linkedin.com/in/andreasmaniatis.