Collins English-English Dictionary

computer [kəm'pjuːtə]

1. 1. n a device, usually electronic, that processes data according to a set of instructions. The digital computer stores data in discrete units and performs arithmetical and logical operations at very high speed. The analog computer has no memory and is slower than the digital computer but has a continuous rather than a discrete input. The hybrid computer combines some of the advantages of digital and analog computers - See also digital computer analog computer hybrid computer

2. 2. n (as modifier)

   computer technology

3. 3. n a person who computes or calculates