Interactive quiz

Computer basics and computer architecture

Each attempt draws 15 questions from a bank of 100 original questions about hardware, software, operating systems, files, networks, and security. This is an independent, unofficial practice activity inspired by Computer Essentials topics.

15 randomly selected questions Pass mark: 60%

Instructions

Answer all 15 questions and submit the form: each correct answer is worth one point. The material is original and does not reproduce official ICDL examination questions.

What is the main purpose of a trustworthy password manager?

Choose one answer

Disable authentication Generate and store unique passwords securely Replace security updates Make every password public

Why is a touchscreen both an input and an output device?

Choose one answer

Because it displays information and receives touches Because it prints and scans Because it powers the CPU Because it always contains a disk

How is data stored in a magnetic hard disk drive?

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In paper cells Only in RAM Using ink On rotating magnetic platters

What is the main purpose of a mouse?

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Control the pointer on the screen Store the operating system Cool the CPU Supply power

Why do CPUs and GPUs often require a cooling system?

Choose one answer

To remove the heat they produce To create backups To receive radio signals To increase disk capacity

In a software subscription model, what normally happens when the subscription ends and is not renewed?

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The computer becomes the provider's property Access to the service may end or become limited Every file is published The licence automatically becomes open source

In a task monitor, what does a process represent?

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An offline backup copy A cable connected to the computer A running instance of a program A software licence

What does it mean when a processor has four cores?

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It has four monitors It has four internal disks It contains four processing units It uses four operating systems

Which accessibility feature reads screen text and controls aloud?

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A partition manager A spam filter A screen reader A compression program

Which property characterises lossless compression?

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Quality is always reduced The file can no longer be opened The original data can be reconstructed exactly Every file is turned into an image

How should a monitor generally be positioned to reduce neck and eye strain?

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A few centimetres from the face Behind the person using it Far above the head About an arm's length away, with the top edge near eye level

Why is it preferable to use the shut-down command instead of suddenly removing power?

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To turn RAM into ROM To refill toner To close programs and write operations safely To increase CPU frequency

What is the main purpose of a printer?

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Increase memory Scan paper sheets Execute CPU instructions Produce paper copies

What normally changes when you rename a file without changing its extension?

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The file is sent over the Internet The file becomes a folder The name changes while the contents stay the same The contents are deleted

What does the extension at the end of a file name, such as .pdf or .jpg, normally indicate?

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The legal owner of the computer The amount of RAM The file format or type The monitor's physical position

Have you completed the questions?

Submit your 15 answers to receive your score and review.