Which part interprets program instructions and initiate control operations?
Input part interprets program instructions and initiate control operations.
In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. A computer program is a collection of instructions that performs a specific task when executed by a computer. A computer requires programs to function. User interaction with a program on machine required input/output device. Standard Input device is keyboard and standard output device is monitor.
An instruction which is used to print something on the screen or any other output device is known as output instruction. Similarly, an instruction which is used to input information from the user is known as input instruction.