Match List I (Storage device or media) with List II (Description) and choose the correct answer from the options given below.

List I

i.RAM

ii.ROM

iii.DVD

iv.DVD-RAM

List II

a.Optical storage media that uses a single track and dual layer technology for high storage capacity

b.Optical storage media that uses concentric tracks allowing writing and reading at the same time

c.Non-volatile semiconductor memory whose contents cannot be changed

d.Volatile semiconductor memory that stores data and instructions the user is currently working on

Ai-d, ii-c, iii-a, iv-b ✓ Correct

Bi-a, ii-b, iii-c, iv-d

Ci-c, ii-b, iii-a, iv-d

Di-b, ii-d, iii-c, iv-a

Correct answer: (A) i-d, ii-c, iii-a, iv-b

Explanation

RAM is volatile semiconductor memory that temporarily holds the data and instructions currently in use, lost when power is cut.

ROM is non-volatile semiconductor memory whose stored contents are fixed and cannot be altered in normal use.

A DVD is optical media that uses a single spiral track and dual layer technology to reach a high storage capacity.

A DVD-RAM uses concentric tracks so it behaves like a disk, allowing writing and reading at effectively the same time.

The two semiconductor memories differ by volatility, while the two optical media differ in track layout.

RAM speed lets the processor work quickly, whereas ROM commonly holds firmware such as the boot program.

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