MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -DAS devices include floppy disks, optical discs-compact discs (CDs) and digital video discs (DVDs)-hard disk drives (HDD), flash drives and solid-state drives (SSD). Network-based storage allows more than one computer to access it through a network, making it better for data sharing and collaboration.

Detailed explanation-2: -Data storage essentially means that files and documents are recorded digitally and saved in a storage system for future use. Storage systems may rely on electromagnetic, optical or other media to preserve and restore the data if needed.

Detailed explanation-3: -Memory is the part of the computer that holds data and instructions for processing. Although closely associated with the central processing unit, memory is separate from it. Memory stores program instructions or data for only as long as the program they pertain to is in operation.

Detailed explanation-4: -Databases are the current golden standard method of data storage. This type of storage allows businesses to store large amounts of data in an organized manner.