Operating Systems eBook

R 200.00 R 60.00

An operating system, often shortened to OS, is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. All computers and computer-like devices have operating systems, including your desktop computer, laptop, tablet, smartphone, smartwatch and router. An operating system allows a user to run other applications on a computing device.


Once you have worked through this manual, you should be able to:

  1. Understand key concepts relating to ICT, computers, devices and software.
  2. Start up and shut down a computer.
  3. Work effectively on the computer desktop using icons, windows.
  4. Adjust the main operating system settings and use built-in help features.
  5. Create a simple document and print an output.
  6. Know about the main concepts of file management and be able to efficiently organise files and folders.
  7. Understand key storage concepts and use utility software to compress and extract large files.
  8. Understand network concepts and connection options and be able to connect to a network.
  9. Understand the importance of protecting data and devices from malware and of backing up data.
  10. Recognise considerations relating to green IT, accessibility and user health.

This manual is based on ECDL Computer Essentials  Syllabus 1

  1. Define the term Information and Communication Technology (ICT).
  2. Identify different types of ICT services/uses.
  3. Define the term hardware. Identify the main types of computers and devices.
  4. Define the terms processor, Random Access Memory (RAM), storage. Understand their impact on performance.
  5. Identify the main types of integrated and external equipment.
  6. Identify common input/output ports.
  7. Define the term software and distinguish between the main types of software.
  8. Define the term operating system and identify some common operating systems.
  9. Identify common examples of applications.
  10. Define the term End-User License Agreement (EULA).
  11. Outline the types of software licenses.
  12. Start a computer and log on using a username and password.
  13. Log off, shut down, restart a computer using an appropriate routine.
  1. Outline the purpose of the desktop and the taskbar.
  2. Identify, select and move common icons.
  3. Create, rename, move, delete a shortcut.
  4. Identify the different parts of a window.
  5. Open, collapse, expand, restore down, maximise, resize, move, close a window.
  6. Switch between open windows.
  7. Use available help functions.
  8. View the computer’s basic system information.
  9. Change desktop configuration settings.
  10. Change, add, remove keyboard language. Change default language.
  11. Shut down non-responding application.
  12. Install, uninstall an application.
  13. Connect, disconnect a device to a computer.
  1. Understand how an operating system organises drives, folders, files.
  2. Navigate between drives, folders, subfolders, files.
  3. Display file, folder properties.
  4. Change view to display files and folders.
  5. Identify common file types.
  6. Open a file, folder, drive.
  7. Create a folder. Recognise good practice in folder, file naming to help searching and organisation.
  8. Rename a file, folder.
  9. Search for files by properties.
  10. View list of recently used files.
  11. Select individual, adjacent, non-adjacent files, folders.
  12. Sort files in ascending, descending order.
  13. Copy, move files, folders between folders, drives.
  14. Delete files, folders to the recycle bin and restore to original locations.
  15. Empty the recycle bin.
  16. Identify the main types of storage media.
  17. Identify file size, folder size, storage capacity measurements.
  18. View available space on a storage device.
  19. Understand the purpose of file, folder compression.
  20. Compress files, folders.
  21. Extract compressed files, folders to a location on a drive.
  1. Open, close a word processing application. Open, close files.
  2. Enter text into a document.
  3. Copy, move text within a document, between open documents.
  4. Save and name a document.
  5. Capture a full screen, active window. Paste a screen capture into a document.
  6. Install, uninstall a printer. Print a test page.
  7. Set the default printer from an installed printer list.
  8. Print a document from a word processing application.
  9. View, pause, restart, cancel a print job.
  1. Define the term network. Outline the purpose of a network.
  2. Define the term Internet. Identify some of its main uses.
  3. Define the terms intranet, virtual private network (VPN) and identify their main uses.
  4. Understand what transfer rate means. Understand how it is measured.
  5. Understand the concepts of downloading from, uploading to a network.
  6. Identify the different options for connecting to the Internet.
  7. Define the term Internet Service Provider (ISP). Identify important considerations when selecting an internet subscription option.
  8. Recognise the status of a wireless network: protected/secure, open.
  9. Connect to a wireless network.
  1. Recognise good password policies.
  2. Define the term firewall and outline its purpose.
  3. Understand the purpose of regularly backing up data to a remote location.
  4. Recognise the importance of regularly updating software.
  5. Understand the term malware. Identify different types of malware.
  6. Be aware how malware can infect a computer or device.
  7. Use anti-virus software to scan a computer.
  8. Recognise ways to help ensure a user’s well-being while using a computer or device.
  9. Recognise computer and device energy saving practices.
  10. Recognise that computers, devices, batteries, printer cartridges and paper should be recycled.
  11. Identify some options available for enhancing accessibility.

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