Computer systemComputer SystemBook I: computer system fundamentals.Chapter 1: INTRODUCTION TO COMPUTER.Question 1. What is a computer?A computer may be defined as a machine which accepts data from an input device, processes it by performing arithmetical and logic operations in accordance with a program of instructions and returns the results through an output unit.A computer is basically an electronic machine operating on current.Question 2. Components of a Computer system?A computer system comprises of the following components:Central Processing Unit (CPU).CPU is the heart of the whole sysCPU consists of the : control unit (CU)arithmetic logic unit (ALU)accumulator (ACC)program counter (PC)instruction register (IR)memory address register (MAR)memory data register (MDR)status register (SR)general purpose registerThe function of each components of CPU:Control unit:control and co_ordinate all hardware functions of the CS.examine and decode all program instructions to the computer and initiate their execution by sending the appropriate signals.ALU:performs all arithmetic and logic comparision two values functions required by computer.ACC:holds the first operand of the temporary result...