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
3421
How many bytes are in a Megabyte (MB)?
Answer:
1,048,576
One megabyte (MB) is 1,048,576 bytes (1,024 × 1,024) using binary calculation, though 1,000,000 bytes in decimal.
3422
The use of spooler programs and/or ______ hardware allows PC users to process data simultaneously while printing:
Answer:
Buffer
Buffers temporarily store print data, enabling concurrent processing and printing.
3423
A disk storage medium consisting of a single rigid magnetic disk permanently assembled is a:
Answer:
Fixed disk
Fixed disks are hard drives with a permanently enclosed magnetic platter.
3424
Who proposed the concept of the stored program?
Answer:
John Neumann
John von Neumann introduced the concept of storing programs in memory for execution by computers.
3425
Which storage device is not erasable?
Answer:
CD-ROM
CD-ROMs are read-only and cannot be erased or rewritten.
3426
In QBasic, which statement is considered most problematic?
Answer:
GOTO
The "GOTO" statement can lead to complex and hard-to-read code, often discouraged in programming.
3427
Which best describes the term "software"?
Answer:
Both systems and application programs
Software includes all computer programs, encompassing both system software (like OS) and application software.
3428
Identify the item that is not an input device.
Answer:
Plotter
A plotter is an output device used for printing vector graphics.
3429
The two major types of computer chips are:
Answer:
Primary memory chip and microprocessor chip
These are fundamental chip types in computers.
3430
Which of the following processors uses RISC technology?
Answer:
PowerPC
PowerPC processors are based on Reduced Instruction Set Computing (RISC) architecture.