Draw block diagram showing the main comp | Class 11 Accountancy Chapter Applications of Computers in Accounting, Applications of Computers in Accounting NCERT Solutions

Question:

Draw block diagram showing the main components of a computer.

Answer:

a. Input Unit: It is a device through which we enter programs and data into the computer. The data is then stored and processed with the help of programs. The Central Processing Unit The Central Processing Unit (CPU)is divided into three units namely, the control unit, the arithmetic and logic unit and the memory unit.

b. Control Unit: This unit is considered to be the nerve centre of the computer. It controls all arithmetic operations to be performed. It also coordinates the functions of all the hardware units of the computer.

1. Arithmetic and Logic Unit (ALU): This unit performs all the arithmetic calculations and logical operations involved in a program.
2. Memory Unit: The function of this unit is to store data and the set of instructions given by the programmer. The computation results are stored in the memory and they may be used for subsequent computations or sent to the output unit.
3. Output Unit: The output unit receives information from the CPU and presents it to the user in the desired form. Some common output devices are visual display unit (VDU) and Printer.


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Welcome to the NCERT Solutions for Class 11 Accountancy - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 3: Draw block diagram showing the main components of a computer.....