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Digital Computers

This is the most commonly used type of computers. 

A Digital computer is a computer that operates on discrete data only.  It can process both numeric & alphabetic data within the computer, e.g., 0, 1, 2, 3…, A,B,C….

Their operation is based on 2 states, “ON” & “OFF” or on digits “1” & “0”.  Therefore, any data to be manipulated by a digital computer must first be converted to digital form.

Their output is usually in form of numbers, alphabets, & symbols.

Digital computers are usually general-purpose computers; hence, they are widely used in different areas for data processing.

Most of the devices found at homes today are digital in nature.

Digital computers are less accurate, i.e. may not solve all your problems since the facilities provided are generalized.  

Examples:

  • A Television with a button which is pressed to increase or decrease the volume.
  • Digital watches.
  • They are said to be digital because they posses the ALU.