MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Flash memory devices A flash memory device–sometimes called a USB stick, a memory stick, or a thumb drive– contains trillions of interconnected flash memory cells that store data. These small, portable storage devices have long been a popular choice for extra computer storage–and they can hold up to 4 terabytes.

Detailed explanation-2: -USB flash drives are small, portable storage devices that use a USB interface to connect to a computer. Like flash memory cards, they are removable and rewritable, and have become a common method of storing data.

Detailed explanation-3: -Primary memory usually refers to Random Access Memory (RAM), while secondary storage refers to devices such as hard disk drives, solid state drives, removable “USB” drives, CDs, and DVDs.

Detailed explanation-4: -Secondary storage might include hard disk drives (HDDs), solid-state drives (SSDs), optical disks, USB flash drives, floppy disks or other devices.