21.
Which of the following can store information in the form of microscopic pits on metal disks.

22.
A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is

23.
A storage system for small amounts of data is

24.
Which is another name for functional language?

25.
Compilers and interpreters are themselves

26.
A compiler means

27.
A pen shaped device which can sense light, and is used to point at spots on a video screen.

28.
A notation used to express clearly on algorithm is known as

29.
Compression of digital data for efficient storage is

30.
An operating system intended for use on microprocessor based systems that support a single user is