Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1931
Which type of memory does not forget its contents?
Answer:
ROM
ROM (Read-Only Memory) is non-volatile, meaning it retains data even when the power is off.
1932
Which of the following is a secondary memory device?
Answer:
Disk
Disks provide secondary (non-volatile) storage, unlike input or processing units.
1933
A single binary digit is called a ______.
Answer:
bit
A bit is the smallest unit of digital data in computing and can have a value of 0 or 1[12](https://www.merriam-webster.com/dictionary/bit)[13](https://www.vocabulary.com/dictionary/bit).
1934
The language a computer can understand and execute is called:
Answer:
Machine language
Machine language is the binary code directly executed by the computer's processor.
1935
Where are the letters QWERTY found?
Answer:
Keyboard
QWERTY refers to the standard arrangement of letters on a keyboard used for typing.
1936
Access time is defined as:
Answer:
Seek time plus latency time
Access time is the total delay before data transfer, including seek and latency times.