Question

which of these is flash memory device
a CD
B pen drive
c hard disk​

Answer 1

Answer:

Dear it's easy answer is pen drive:

Explanation:

Flash memory is a non-volatile memory chip used for storage and for transfering data between a personal computer (PC) and digital devices. It has the ability to be electronically reprogrammed and erased. It is often found in USB flash drives, MP3 players, digital cameras and solid-state drives.

Flash memory is a type of electronically erasable programmable read only memory (EEPROM), but may also be a standalone memory storage device such as a USB drive. EEPROM is a type of data memory device using an electronic device to erase or write digital data. Flash memory is a distinct type of EEPROM, which is programmed and erased in large blocks.

Flash memory incorporates the use of floating-gate transistors to store data. Floating-gate transistors, or floating gate MOSFET (FGMOS), is similar to MOSFET, which is a transistor used for amplifying or switching electronic signals. Floating-gate transistors are electrically isolated and use a floating node in direct current (DC). Flash memory is similar to the standard MOFSET, except the transistor has two gates instead of one.

mark as brainlist

Answer 2

The correct answer is option (b) pen drive.

• A USB flash drive (also known as a thumb drive) is a data storage device that combines flash memory with an integrated USB interface. It is usually removable, reusable, and much smaller than an optical disc.
• The average weight is less than 30 g. Since it first appeared on the market in late 2000, like all other computer memory devices, storage capacity has risen while prices have fallen. As of March 2016, flash drives with anywhere from 8 to 256 gigabytes (GB) were commonly sold, while 512 GB units and 1 terabyte (TB) were rare.
• As of 2018, 2 TB flash drives were not the largest available in terms of storage capacity. Some allow write/erase cycles of up to 100,000, depending on the exact type of memory chip used, and it is thought to last physically between 10 and 100 years under normal conditions.