ICDL Computer & Online Essentials study materials
ICDL Computer & Online Essentials study resources

ICDL Computer & Online Essentials (ICDL) study plan

ICDL Computer & Online Essentials · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

Computers and devices

  • Identify the main hardware components (CPU, RAM, storage, motherboard, input and output devices) and state the function of each.

  • Distinguish between memory and storage, and between operating system software and application software.

  • Perform core file-management operations on a desktop: create, rename, move, copy, delete and restore files and folders.

  • Demonstrate connecting, disconnecting and safely ejecting a USB storage device.

Your checkpoint

A one-page hand-drawn hardware diagram labelled with component names and functions, plus a 20-task file-management checklist completed with zero errors.

Week 2

Computers and devices & Networks

  • Apply display and accessibility settings (text size, contrast, resolution) and explain why they matter for different users.

  • Explain the purpose of backups and perform a manual backup of one folder to a second location, then restore a single file from it.

  • Distinguish a local area network from a wide area network and give one concrete example of each.

  • Compare four connection types (wired, Wi-Fi, mobile data, phone hotspot) on speed, cost, mobility and security.

Your checkpoint

A comparison table of the four connection types with all four criteria filled in, plus a written backup-and-restore log naming the folder, destination and restored file.

Week 3

Networks

  • Explain how the internet differs from the web, and describe the role of an ISP and of an IP address.

  • Operate a web browser: enter URLs, open and close tabs, bookmark a page, and locate an item in history.

  • Run targeted searches using quotes, the minus operator and site: , then judge each result for relevance and trustworthiness.

  • Adjust browser settings for homepage, download location, pop-up blocking and cookie handling, and clear cache and history.

Your checkpoint

A research log answering 10 questions, each with a working source URL and a one-line credibility note, plus a written list of five browser settings changed and why.

Week 4

Networks & Online Communication

  • Explain intranet, extranet and cloud services, and give one workplace use case for each.

  • Apply copyright and plagiarism rules by correctly attributing an online text source and an online image.

  • Identify the parts of an email address and the fields of an email message (To, Cc, Bcc, subject, body, attachment).

  • Create a webmail account and send a test message to yourself with a correctly named attachment.

Your checkpoint

A timed 30-question practice set covering Domains 1 and 2, scored at 80% or above without notes.

Week 5

Online Communication

  • Compose, send, reply, reply-all and forward email using clear subject lines and appropriate tone.

  • Use Cc and Bcc correctly and explain when each is the right choice.

  • Organise a mailbox: create folders, set a filter rule, move messages, and search for a message by sender and date.

  • Configure an email signature and an out-of-office automatic reply.

Your checkpoint

A mailbox portfolio containing three folders, one working filter rule, one signature, one out-of-office message, and five sent messages demonstrating reply, forward and Bcc.

Week 6

Online Communication & Safety

  • Create calendar events with reminders, invite an attendee, and accept or decline a received invitation.

  • Compare email, instant messaging, video/VoIP calls and social media for four different communication needs.

  • Explain what a digital footprint is and list the categories of personal data commonly shared online.

Your checkpoint

A decision table matching four communication scenarios to the most suitable tool with a one-sentence justification each, plus two calendar events created with an invited attendee.

Week 7

Safety

  • Construct a strong password using length and variety, and enable two-factor authentication on one account.

  • Distinguish viruses, worms, trojans, ransomware and spyware, and state the protective role of antivirus software and a firewall.

  • Recognise phishing attempts by spotting spoofed sender addresses, urgency cues and lookalike URLs.

  • Verify a site's security using HTTPS, the padlock and the certificate details before entering personal data.

Your checkpoint

A phishing-spotting exercise classifying 10 written message descriptions as legitimate or phishing, each with a stated reason, scored at 9/10 or better.

Week 8

Online Communication & Safety

  • Adjust privacy settings on one social media or browser account and review the app permissions granted on it.

  • Describe a repeatable backup routine and explain how backups limit damage from ransomware.

  • Apply ergonomic and green-computing practices at a workstation, including posture, breaks and power-saving settings.

  • Complete a full timed mock exam across all four domains and write a correction note for every missed item.

Your checkpoint

A full 40-question timed mock exam scored at 85% or above, with a written correction note for each incorrect answer.

Milestones

Week 2: Hardware diagram labelled correctly and the 20-task file-management checklist finished with no errors.

Week 4: Mixed 30-question Domain 1 and 2 practice set scored at 80% or above, closed-book and within the time limit.

Week 6: Mailbox portfolio and communication decision table both complete; calendar invites sent and responded to successfully.

Week 8: Full 40-question mock exam scored at 85% or above, with a correction note written for every missed question.