In a computer system, which device is functionally opposite of a Key-board?

Which of the following memories must be refreshed many times per second?

Which programming language is based on Algol 60.

What digits are representative of all binary numbers?

Codes consisting of light and dark marks which may be optically read is known as

Communication between computers using standard telephone service

The first practical commercial typewriter was invented in 1867 in the United States by

The minimum number of MOS transistors required to make a dynamic RAM cell is