Question

Based on material used for construction, memory devices are classifieds into ________ categories.

(a) 2

(b) 3

(c) 4

(d) 5

I had been asked this question in an interview.

The above asked question is from Introduction of Memory Devices topic in chapter Memory Devices of Digital Circuits

Answer 1

The correct answer is (a) 2

Easy explanation: Based on material used for construction, memory devices are classifieds into two categories, viz., Magnetic and Semiconductor memory. Magnetic recording is the process of storing data magnetically. Hard disk, floppy disk, magnetic tape are examples of magnetic recording process.