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
3461
ASCII code is a ______ bit code.
Answer:
7
ASCII uses 7 bits to represent each character.
3462
The hexadecimal number system has how many symbols?
Answer:
16
Hexadecimal uses 16 symbols: 0-9 and A-F.
3463
What is responsible for holding data and instructions temporarily?
Answer:
RAM
RAM (Random Access Memory) is a type of computer memory that can be read and changed in any order, typically used to store working data and machine code. It is a form of volatile memory, meaning it holds data temporarily while the computer is on, and the data is lost when the power is turned off.
3464
What does the 'S' stand for in USB?
Answer:
Serial
USB stands for Universal Serial Bus, where “Serial” indicates data transmission one bit at a time.
3465
What is NOT part of a laser printer's mechanism?
Answer:
Print head
Laser printers use a laser and drum, but no print head is involved.
3466
Which computer component allows connection of external devices?
Answer:
Ports
Ports on the motherboard enable peripherals like USBs and monitors to connect.
3467
On which platform can a Pentium III Processor be used?
Answer:
Socket 370 / Socket mPGA 370 / Slot 1
Pentium III processors are compatible with Slot 1 and specific Socket 370 motherboards.
3468
What does 'AMD' stand for?
Answer:
Advanced Micro Devices
AMD stands for Advanced Micro Devices, a leading semiconductor company.
3469
Locating a data item for storage is called:
Answer:
Fetch
Fetch refers to retrieving or locating data from memory.
3470
Which of these is considered a direct input device?
Answer:
Digitizer
A digitizer is a direct input device that allows the conversion of physical data (like drawings) into digital format.