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
3291
The memory unit is part of which component?
Answer:
Central Processing Unit
The CPU includes the memory unit, control unit, and arithmetic logic unit.
3292
Ethernet uses which network topology?
Answer:
Bus topology
Ethernet traditionally uses a bus topology for network connections.
3293
The ‘Difference Analyzer’ was created by:
Answer:
Vannevar Bush
Vannevar Bush developed the ‘Difference Analyzer’, an early mechanical computer for solving differential equations.
3294
What is a name or number used to identify a storage location in devices called?
Answer:
Address
An address is used to uniquely identify a specific storage location in memory or devices.
3295
Which of the following is a method to access secondary memory?
Answer:
Random access
Secondary memory can be accessed randomly depending on the device.
3296
CRT is the technology used in a:___________?
Answer:
Monitor
CRT stands for Cathode-Ray Tube, which is a vacuum tube technology used to display images. For many decades, CRT was the standard technology for computer monitors and television screens before being replaced by flat-panel displays like LCD and LED.
3297
Which topology is NOT broadcast type?
Answer:
Ring
Ring topology passes data sequentially and is not broadcast to all nodes simultaneously.
3298
Another name for a multiplexer is:
Answer:
Mux
"Mux" is short for multiplexer.
3299
Correcting a file immediately after input of a transaction exemplifies:
Answer:
On-line updating
On-line updating makes changes to data immediately as transactions occur.
3300
What keeps track of the last operation status performed by the ALU?
Answer:
Status register
The status register stores flags that indicate results of ALU operations.