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
1841
Which storage device is not erasable?
Answer:
CD-ROM
CD-ROMs are read-only and cannot be erased or rewritten.
1842
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.
1843
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.
1844
Identify the item that is not an input device.
Answer:
Plotter
A plotter is an output device used for printing vector graphics.
1845
The two major types of computer chips are:
Answer:
Primary memory chip and microprocessor chip
These are fundamental chip types in computers.
1846
Which of the following processors uses RISC technology?
Answer:
PowerPC
PowerPC processors are based on Reduced Instruction Set Computing (RISC) architecture.
1847
Which storage type uses magnetic disks to store and retrieve data?
Answer:
Hard disk drive
HDDs store data on spinning magnetic platters read by a moving head.
1848
What can automate factory production lines?
Answer:
Machine tools
Machine tools automate physical manufacturing tasks on production lines.
1849
Which is an example of flash memory?
Answer:
Pen Drive
Flash memory retains data without power and is commonly used in USB drives like pen drives.
1850
Which computer memory is non-volatile and can be electrically erased and reprogrammed?
Answer:
Flash memory
Flash memory retains data without power and is commonly used in USB drives and SSDs.