The most common usage of 'lapse' is a brief drop in quality. For example:

'A lapse in security allowed us to sneak through'

'A lapse in concentration meant we missed the turning'

It can also be used as a verb, meaning to expire, or run out.

'My membership of the tennis club will lapse in January'

Or, it … Read more

CD-ROM stands for Compact Disc - Read Only Memory. What does this mean? Well, compact disc is straightforward - its a disc, and at the time when it came out (during the mid 1980s), it was physically very small, but with a large capacity. Hence, it is quite literally a compact disc.

As for read-only-memory, … Read more