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Exam Review

Key Facts: ICDL Computer & Online Essentials Exam

36

Exam Questions

ICDL Foundation Exam Specification

45 mins

Exam Duration

ICDL Foundation Exam Specification

75%

Passing Score

ICDL Foundation Exam Specification

6

Syllabus Domains

ICDL Computer & Online Essentials Syllabus v1.0

ATC

Testing Locations

Accredited Test Centres

The ICDL Computer & Online Essentials module tests fundamental digital literacy. The exam consists of 36 questions over 45 minutes, requiring a 75% score (27 correct) to pass. It covers computer hardware/software, file explorer organization, networking, web searching, email/calendar use, and digital safety/ergonomics. Certified globally via Accredited Test Centres (ATCs).

Sample ICDL Computer & Online Essentials Practice Questions

Try these sample questions to review concepts for the ICDL Computer & Online Essentials exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 108+ question experience with AI tutoring.

1Which of the following describes the primary difference between Random Access Memory (RAM) and a Hard Disk Drive (HDD)?
A.RAM is volatile temporary storage used by the CPU, while HDD is non-volatile permanent storage used to save files.
B.RAM is permanent storage used to boot the computer, while HDD is volatile memory that clears when powered off.
C.RAM is only used to store the operating system files, while HDD is used exclusively for user applications.
D.RAM has slower read and write speeds than a standard HDD but has a much larger storage capacity.
Explanation: RAM (Random Access Memory) is volatile memory, meaning it requires power to maintain data and is cleared when the computer is turned off. It is used by the CPU to hold active program instructions and data. A Hard Disk Drive (HDD) is non-volatile magnetic storage that retains data permanently even when powered off.
2What is the primary function of a computer's operating system (OS)?
A.To manage computer hardware, software resources, and provide a user interface.
B.To browse the World Wide Web and protect the computer from online cookies.
C.To compile and execute spreadsheets, databases, and slide presentations.
D.To act as a physical cooling agent for the Central Processing Unit (CPU).
Explanation: The operating system (OS) is the system software that acts as an intermediary between the computer hardware and user applications. It manages system resources like memory, processors, and storage, and provides a graphical or command-line interface for the user.
3Which of the following devices is classified strictly as an input device?
A.Barcode reader
B.Inkjet printer
C.LCD monitor
D.Headphones
Explanation: A barcode reader is an input device because it captures data (barcodes) from the physical world and sends it to the computer. Printers, monitors, and headphones are output devices because they receive data from the computer and convert it into physical form (printed sheets, visual displays, or sound).
4A user wants to connect an external monitor to a laptop using a single cable that carries both high-definition video and audio. Which port is most appropriate?
A.HDMI port
B.USB Type-A port
C.VGA port
D.Serial port
Explanation: HDMI (High-Definition Multimedia Interface) is a digital connection standard designed to transmit high-definition video and multi-channel audio signals through a single cable. VGA is analog and does not carry audio, USB Type-A is generally for peripherals (though USB-C can carry video/audio), and Serial ports are obsolete low-speed connections.
5Which type of software license allows users to view the source code, modify it, and redistribute it freely?
A.Open source license
B.Shareware license
C.Proprietary license
D.Freeware license
Explanation: An open source license grants users the right to view, modify, and distribute the underlying source code of the software. Proprietary software keeps its source code hidden, freeware is free but copyrighted with closed source code, and shareware is provided free on a trial basis.
6How do you view basic system information, such as the installed operating system version and RAM size, on a Windows computer?
A.Open Settings and navigate to System > About.
B.Open Task Manager and view the Startup apps tab.
C.Run the Disk Cleanup utility from the Start menu.
D.Open the Device Manager and select Disk Drives.
Explanation: In Windows, navigating to Settings > System > About displays the 'Device specifications' (including installed RAM and processor type) and 'Windows specifications' (including the Windows edition and version). Task Manager shows performance and startup programs, Disk Cleanup frees space, and Device Manager manages hardware drivers.
7What is the key difference between the 'Sleep' and 'Shut Down' power states in a computer?
A.Sleep keeps open documents and programs in RAM using a low-power state for a quick resume, while Shut Down closes all programs and powers off completely.
B.Sleep turns off the hard disk but keeps the monitor on, while Shut Down turns off both the hard disk and monitor.
C.Sleep consumes more power than running normally but saves the current session to a secure cloud backup.
D.Sleep closes all applications and logs off the active user, while Shut Down saves the session and locks the computer.
Explanation: Sleep is a power-saving state that keeps the system session in the computer's memory (RAM) and uses a minimal amount of power, allowing the computer to wake up and resume exactly where it was left. Shut Down closes all running applications, logs off all users, and completely cuts power to the hardware, requiring a full reboot to start again.
8A user connects a new printer to a computer, but the device is not recognized and cannot print. Which of the following is the most likely cause?
A.The printer's device driver is missing, outdated, or incompatible.
B.The computer lacks sufficient RAM to process print commands.
C.The operating system's registry has been corrupted and must be rebuilt.
D.The printer's firmware must be flashed via a bootable USB drive.
Explanation: A device driver is specialized software that allows the operating system to communicate with a hardware device. If a new printer is not recognized or fails to work, the most common issue is that the appropriate driver has not been installed, or the current driver is outdated or incompatible with the OS.
9Which of the following upgrades is most likely to resolve a performance bottleneck where a computer slows down significantly when opening multiple applications simultaneously?
A.Installing additional Random Access Memory (RAM).
B.Upgrading the Power Supply Unit (PSU) to a higher wattage.
C.Replacing the monitor with one that has a higher refresh rate.
D.Formatting the primary storage volume and reinstalling the OS.
Explanation: RAM holds the data of active applications. If a computer slows down when multitasking (running multiple programs at once), it is usually because the RAM is fully utilized, forcing the operating system to use slower virtual memory on the hard drive. Adding more RAM allows more programs to run smoothly in parallel.
10Which unit is commonly used to measure the clock speed of a computer's Central Processing Unit (CPU)?
A.Gigahertz (GHz)
B.Gigabytes (GB)
C.Kilobits per second (Kbps)
D.Pixels per inch (PPI)
Explanation: CPU clock speed, which represents the number of cycles the processor can execute per second, is measured in Gigahertz (GHz), meaning billions of cycles per second. Gigabytes measures storage or memory capacity, Kilobits per second measures data transfer speed, and Pixels per inch measures display resolution.

About the ICDL Computer & Online Essentials Exam

The ICDL Computer & Online Essentials module certifies essential skills for using computers and devices, managing files, accessing networks, searching for online information, communicating via email and calendars, and operating safely. It is a fundamental module in the ICDL program, ensuring candidates possess the core digital literacy needed for modern life and work.

Exam sponsor: ICDL Foundation. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

36 questions covering 6 syllabus categories: Computers and Devices, Managing Files and Applications, Networks, Online Information, Online Communication, and Safety. ICDL Foundation does not publish category weights. The test uses multiple-choice questions and simulations.

Time Limit

45 minutes

Passing Score

75%

Exam / Certification Fees

Varies by local test centre (typically €45 - €70 EUR / $50 - $80 USD)

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Not published

Computers and Devices

Types of computers and devices, integrated and external equipment, common input/output ports (USB, HDMI, VGA), logging off, shutting down and restarting, USB and Bluetooth connections, and software types: operating systems and applications installed locally or accessed online.

Not published

Managing Files and Applications

File management application, desktop and taskbar, common icons and file types, hierarchical drives and folders, view modes, searching with wildcards, creating, renaming, selecting, copying, moving, deleting, restoring and sorting files and folders, storage media, size units (KB, MB, GB, TB, PB), installing and uninstalling applications, closing a non-responding application, and screen captures.

Not published

Networks

Purpose of a network, downloading and uploading, the Internet and its main uses, wired, wireless and mobile phone network connections, and recognising protected/secure versus open wireless networks.

Not published

Online Information

World Wide Web, URLs and hyperlinks, search engines, keyword, phrase and image searches, advanced search filters, bookmarks, downloading and printing web content, copyright and intellectual property, and browser settings: home page, pop-ups, cookies, and deleting history and temporary Internet files.

Not published

Online Communication

Email, messaging, audio and video calls, social networking and forums, good practice, creating and sending email (To, Cc, Bcc, attachments), reply, reply to all and forward, out of office, flags, contacts and distribution lists, searching, sorting and filing email, the junk folder, and calendar meetings and invitations.

Not published

Safety

Threats such as malware, unauthorised access, theft and accidental damage; protection with anti-virus software, updates, encryption, strong passwords and remote backup; protecting data online; well-being (breaks, lighting, posture, headphone volume); accessibility options; and energy saving and recycling.

Preparing for the ICDL Computer & Online Essentials Exam

What You Need to Know

  • Passing score: 75%
  • Assessment: 36 questions covering 6 syllabus categories: Computers and Devices, Managing Files and Applications, Networks, Online Information, Online Communication, and Safety. ICDL Foundation does not publish category weights. The test uses multiple-choice questions and simulations.
  • Time limit: 45 minutes
  • Exam / certification fees: Varies by local test centre (typically €45 - €70 EUR / $50 - $80 USD) Official sources

Using Our Practice Resources

  • Work through all 108 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

ICDL Computer & Online Essentials: Suggested Study Strategy

1Understand the difference between RAM and storage: RAM is volatile, fast, temporary; HDDs and SSDs are non-volatile and permanent.
2Memorize File Explorer features: Use the Ctrl key to select non-adjacent files, and the Shift key for adjacent blocks. Read-only files can be viewed but changes cannot be saved directly over the original file.
3Understand network classifications: LAN covers a home or office; WAN covers large regions or nations; Intranets are private corporate networks; Extranets allow secure vendor/client access.
4Learn secure web indicators: Check for the HTTPS prefix and the padlock icon to verify an encrypted connection. Browser cache stores assets to speed up visits; private browsing hides local history but does not encrypt network traffic.
5Differentiate email protocols: POP3 downloads and deletes email from the server; IMAP syncs mail across all devices. SMTP is used to send mail.
6Memorize the 3-2-1 backup rule: Keep 3 copies of your data, on 2 different media types, with 1 copy stored off-site (e.g. in the cloud).
7Understand ergonomics and Green IT: The screen top should be at eye level. Energy-saving sleep mode and recycling at certified e-waste facilities are eco-friendly practices.

Frequently Asked Questions

What is the ICDL Computer & Online Essentials exam?

The ICDL Computer & Online Essentials exam is a foundational certification module administered by the ICDL Foundation. It tests a candidate’s practical knowledge of computer basics, operating systems, file management, internet networks, web search, email/calendar use, and digital safety/security.

How many questions are on the exam, and what is the time limit?

The official exam contains 36 questions and has a strict time limit of 45 minutes.

What score is required to pass the ICDL Computer & Online Essentials module?

You must achieve a score of 75% or higher, which corresponds to answering at least 27 out of 36 questions correctly.

What is the difference between ICDL and ECDL?

ECDL (European Computer Driving Licence) was the European brand name for the certification. It was rebranded to ICDL (International Certification of Digital Literacy) globally to align under a single international brand. The syllabus and exam formats are identical.

How much does the ICDL Computer & Online Essentials exam cost?

There is no fixed global fee. It varies by country and Test Centre, but typically costs between €45 - €70 EUR or $50 - $80 USD. You may also need to purchase an ICDL Profile or Skills Card if you are a new candidate.