Correct answer: Volatile memory. RAM loses its contents when power is switched off, which makes it volatile memory.

Computer Fundamentals MCQ

Correct answer: CPU. The Central Processing Unit executes instructions and coordinates all operations, so it is called the brain of the computer.

Correct answer: Windows 11. Windows 11 is an operating system; the others are application programs.

Correct answer: 1000 MB (approx. 1024). 1 GB = 1024 MB in binary convention (or 1000 MB in decimal convention).

Correct answer: Modem. A modem (modulator-demodulator) converts digital data to analog signals and back.

Basic computer knowledge: hardware, software, internet and office tools.

Q1. Which of the following is the 'brain' of the computer? Easy

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Q2. RAM is a type of: Easy

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Q3. Which of these is an example of an operating system? Easy

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Q4. 1 gigabyte (GB) equals how many megabytes (MB)? Easy

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Q5. Which device converts digital signals to analog for transmission over phone lines? Medium

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Q6. HTTP stands for: Easy

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Q7. Which of the following is NOT an input device? Easy

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Q8. The smallest unit of digital data is a: Easy

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Q9. Which memory is closest to the CPU and fastest? Medium

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Q10. A computer virus is best described as: Easy

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