1/10/00
COM1100-Winter2000-Yuhong Yin Northeastern University
2
What is a computer ?
lA computer is a general-purpose machine that processes data
according to a set of instructions
that are stored internally either temporarily
or permanently.
lHardware:The
computer and all equipment attached
to it are called hardware.
lSoftware:
The instructions that tell the computer
what to do are called software.
lProgram:
A set of instructions that perform a particular task is called a program