Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
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
3471
Wide Area Networks (WANs) always require?
Answer:
High bandwidth communication source link
WANs require high bandwidth links for efficient communication across wide areas.
3472
Vacuum tube computers belong to which generation?
Answer:
First generation
Early electronic computers using vacuum tubes are classified as first generation.
3473
A graph prepared by a computer is:
Answer:
Its output
A graph created by a computer represents output generated after data processing.
3474
Internet Safety concerns _________.
Answer:
everyone who uses a computer with Internet access
Internet safety is important for anyone accessing the Internet, to protect privacy, data, and personal well-being[14](https://digitalinclusion.salford.gov.uk/resources-learning-jobs/top-tips/ten-tips-for-staying-safe-on-the-internet/)[15](https://www.kaspersky.com/resource-center/preemptive-safety/top-10-preemptive-safety-rules-and-what-not-to-do-online).
3475
Which item would NOT be used with a flatbed plotter?
Answer:
Eraser
Flatbed plotters use pens on paper, and erasers are not involved.
3476
A set of information that defines the status of resources allocated to a process is called:
Answer:
Process description
Process description includes all information that specifies the current state and resource usage for a process.
3477
A flip-flop is also called:
Answer:
Bistable
Flip-flops have two stable states, making them bistable devices.
3478
Data coded in 8-bit units is called a:
Answer:
Byte
A byte typically consists of 8 bits and is a standard unit of data.
3479
Which statement about an interpreter is NOT true?
Answer:
It generates an object program from the source program
Interpreters translate and execute code line-by-line without producing a separate object program.
3480
Devices used to convert one number system into another are:
Answer:
Encoder
Encoders convert data from one code or number system to another.