A computer is an electronic device, operating under the control of instructions stored in its own memory unit, that can accept data (input), manipulate the data according to specified rules (process), produce information (output) from the processing, and store the results for future use.
A Pascal program basically consists of the following parts :
Program name, uses command, type declarations, constant declarations, variables declarations, functions declarations, procedures declarations, main program block, statements and Expressions within each block, and comments
