Difference
difference between Input and Output devices
An jnput devices are used to get data and instructions into a computer for processing while an output device translate the information processed by the computer into a form that the user can understand.
difference between Information and Data
Data is all the raw facts and figures that a computer processes by following a set of instructions called a program while information is basically processed data. - Data: simply facts or figures - Information: Processed data, data in context.
Difference between CU (control unit) and ALU (arithmetic logic unit)
The control unit (CU) is the main part of the CPU and is responsible for controlling the transfer of data and instructions among other units of computer. While the arithmetic logic unit (ALU) is responsible for all arithmetic and logical functions or operations that takes place in a computer.
difference between soft copy and hardcopy
Softcopy output is a temporary output while hardcopy output is a permanent output.