In comparison to the internal (main) memory, tape or disk memory is

A six - digit card field used for postal ZIP codes is defined as

The punched card used in the IBM System/3 contains

If you see a diskette with a piece of foil covering its notch, it is said to be

Backing storage is so named because it

When an input electrical signal A=10100 is applied to a NOT gate, its output signal is

A technique used by codes to convert an analog signal into a digital bit stream is known as

Who is credited with the idea of using punch cards to control patterns in a weaving machine?