What is required when more than one person uses a central computer at the same time?

The arranging of data in a logical sequence is called:

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

The hardware in which data may be stored for a computer system is called

The computer translates the condition of each switch to a number. What number is represented by the OFF state?

Which of the following can't spread virus

What is the number of bits needed for an address in a 4K memory?

A computer program that converts assembly language to machine language is