A computer is an electronic device that processes data into information by taking input, processing it according to stored instructions (software), and producing output. It uses a binary system of
00
0
s and
11
1
s and consists of hardware (physical parts like the CPU and monitor) and software (the programs that tell the hardware what to do). Computers range in size from smartphones to supercomputers and perform a vast array of tasks, from calculations to running complex applications.
