IGDTUW 2025 — Computer PYQ

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Question

IGDTUW 2025 — Computer PYQ

IGDTUW | Computer | 2025

Flash drive is popularly known as ____

Choose the correct answer:

Explanation

The correct answer is (d) Pen drive.

Conceptual Breakdown

A flash drive, often referred to as a USB flash drive, is a portable storage device that uses flash memory with an integrated USB interface. Because of its small, elongated shape, it is widely and popularly known as a pen drive.

Microprocessor (a): This is the central processing unit (CPU) of a computer; it is a chip that executes instructions, not a storage device.
RAM (b): Random Access Memory is volatile, high-speed primary memory used by the computer to hold data currently in use.
ROM (c): Read-Only Memory is a type of non-volatile memory used to store essential system firmware (like BIOS), but it is not a portable, user-accessible storage peripheral like a flash drive.

Technical Context

While "Pen drive" is the colloquial term, technically, these devices are a type of EEPROM (Electrically Erasable Programmable Read-Only Memory). We can define the relationship between storage types using capacity $C$ and volatility $V$ :

$C_{f l a s h_d r i v e} = i = 1 \sum n C_{ce l l_i}$

Where $C_{ce l l}$ represents the capacity of an individual NAND flash memory cell. Unlike RAM, which is volatile:

$V_{R A M} = True$

$V_{f l a s h_d r i v e} = False$

Because the flash drive maintains data without power, it serves as a reliable secondary storage medium, perfectly suited for the portable form factor known as a pen drive.