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
111
What is the technical term for the parallel electrical conducting lines that link components on a motherboard?
Answer:
Conductors
The electrical pathways on a printed circuit board, such as a motherboard, that carry signals between various components are technically referred to as conductors or traces.
112
What specific magnetic material is commonly employed in the construction of bubble memory devices?
Answer:
Garnet
Bubble memory is a type of non-volatile computer memory that uses a thin film of magnetic material, typically a synthetic garnet, to hold data.
113
Which of the following is not a factor that influences the processing performance of a personal computer?
Answer:
The revolutions per minute of the printer disk
The performance of a PC system is determined by internal components like the CPU clock speed, RAM (primary storage), and the instruction set architecture.
114
Which device is used by banks to read the magnetic ink characters on cheques?
Answer:
MICR
MICR stands for Magnetic Ink Character Recognition. It is a technology used primarily by the banking industry to facilitate the processing and clearance of cheques.
115
What term describes a storage device used to hold data and information externally, separate from the computer's primary memory?
Answer:
Backing storage
Backing storage, also known as secondary storage or auxiliary storage, refers to non-volatile devices like hard drives, USB drives, or tapes.
116
Which of the following storage media types is characterized by sequential access only?
Answer:
Magnetic tape
Sequential access means that data must be read in a specific order from the beginning. Magnetic tape is a classic example of this, as the drive must physically wind through the tape to reach a specific data location.
117
What is the primary application of a digitizing tablet?
Answer:
Tracing diagrams
A digitizer tablet, or graphics tablet, is an input device that allows users to hand-draw images, animations, and graphics using a stylus.
118
What term describes a storage area used to manage data speed differences between hardware components?
Answer:
Buffer
A buffer is a temporary storage area in memory used to hold data while it is being moved between two devices or processes.
119
Which technology is utilized to directly capture and convert printed text into digital data?
Answer:
OCR
Optical Character Recognition (OCR) is the technology used to scan printed or handwritten text and convert it into machine-readable digital text.
120
Which type of printer is typically utilized by large-scale computer systems?
Answer:
Line printers
Line printers are designed to print an entire line of text at once before advancing to the next.