IGNOU CIT 1 2026 2027 - Define a computer system from a functional perspective. Draw a functio

Question

Define a computer system from a functional perspective. Draw a functional block
diagram of its architecture and illustrate the operational interactions among the
Central Processing Unit (CPU), memory units, and peripheral interfaces.

31 Jul 2026

Answer :

Word Count : 703

A computer system, from a functional perspective, is an integrated electronic system that accepts data and instructions as input, processes them according to predefined programs, stores data and results, and produces meaningful information as output. It consists of interconnected hardware components that work together under the control of software to perform arithmetic, logical, control, and data management operations. The primary objective of a computer system is to transform raw data into useful information accurately, efficiently, and at high speed. The functional architecture of a computer system is composed of four major units: the Input Unit, the Central Processing Unit (CPU), the Memory Unit, and the Output Unit. These units are interconnected through system buses, which include the data bus, address bus, and control bus. The CPU acts as the brain of the computer system, coordinating and controlling all activities. A functional

_________ _____ ______ ________ ___ ______ ___ ____.
_________ __________ ____ ___ ________ _________.
________ ___ ________ ___ _______ _____ ________ ___ ____.
_________ ______ __________ ___ ______ ____ _____ ________ ___ _____ _______ ________.
______ _____ __________ _______ ______ ___ _________ _____ ___ _____ ___.
___ ________ ___ ______ ________ _________ ___ ____ _________ ___ _______ __________.
_____ ____ ______ _______ ___ __________ _____ __________ ___ _______ _________ _______.
_______ ______ ___ _______ ______ ___ ________ ______ ____ ___ ______.
______ ___ _______ _______ ___ __________ __________ _____ __________ _____ ____.
__________ ___ _______ _______ _________ ____ ________ ___ _________ ______ ______ ________.
______ _________ __________ _________ ___ ______ ________ _____ _________ ________ ________ __________.
__________ _____ ___ _____ ______ ___.
______ _________ ________ ___ _______ ____ _______ ____.
_________ _________ ____ ________ _____ ____ __________ ________ _______ _________.
____ ________ ___ _________ __________ _________ __________.
______ ______ _____ ______ _____ ________ ___ _____ ___ _______ ___ ______.
_______ _________ ________ __________ _______ ____ ______ _________ _____.
_________ _________ ______ _____ ______.
___ _____ ___ ______ _____ _________ _________ ____ ____ __________ __________.
_________ __________ ___ ___ _____ ____.
_________ _______ __________ _______ _____ _______ ___ ____ _____.
____ _________ ____ _____ __________ _________ _________ ________ ___ ______.
____ ________ _________ ____ ________ ___ _____.
__________ _________ __________ ____ ________.
______ __________ _______ ____ __________.
____ ___ __________ ____ ________ _________ ______ __________ _____ ______ _____.
_________ ________ ___ ______ __________ _______.
__________ _____ _________ ______ ____ ________.
________ ___ ____ __________ _________ _______ __________.
_______ _________ ________ _____ ____ __________ _______ _______ ______ _____ ______.
_________ _____ _______ _______ ______ ________ ______ _______.
______ _________ __________ ___ ________ _____ ____ ___.
________ ___ _________ _______ ____ ___.
____ _______ ______ ___ ____ ____ ______ ______.
______ __________ _________ ______ ____ ____ _____ _____ ______ ___ _______.
_____ ________ __________ __________ ____ _________ ____ ______ ____ ___ _____ ________.
____ _____ __________ ______ ______ ______ ___ ______ ___.
______ ___ ______ _________ _________ ________ ___ ______ ________ ____ ________.
________ ______ __________ __________ ___ ___ ________ __________ ____ _________ __________.
__________ ___ __________ ________ ______ ___.
_________ __________ _____ ________ __________.
__________ ___ ____ _____ ___ _____.
_______ _____ _______ ____ _______ _________ ________ ____ _____ _________.
________ _________ ______ _________ ______ ____ _____ _____ __________.
____ ___ _________ _________ _________ ____ ______ ________ ____.
___ _______ ______ _____ ___ ____ _______ _____.
____ __________ _______ ______ ______ __________ ___ ____ _______ __________ _________.
_____ _________ ______ _____ ______ ____ _________ _______ ___ __________.
________ ____ _________ ______ _______ ______ __________.
________ ______ __________ ______ ____ ____.
______ ____ ______ ________ ___ ___ ______ ___.
___ ____ ______ _________ _____ _______.
_________ _____ _________ _____ _____ _______ ________ _____ ________ ________.
______ _______ ___ ______ ______ ______ _______ ________.
____ ___ ________ ____ ________ _______.
__________ ___ ____ _________ _______ ________ ________ ____ ___ _________ _______.
______ __________ ______ ____ _____ _________ ___ ______.
__________ _________ ____ ________ ________ ______ _______ _________ ____ ______ __________.
_____ _______ _____ ________ ________ ____ __________ ___ ______.
_______ ________ _________ _______ _____.
________ ________ _____ ___ __________ _________ _________.
______ _____ ______ ___ __________ __________ _____ ____ _________ ______ __________ ________.
_____ _______ ___ ___ _________.
__________ __________ ____ ____ _________ ________ ___.
_____ ________ _____ ___ ________ ________ ____ __________ ___ ______.
________.

IGNOU ACADEMY

Your IGNOU journey, made easier.

Solved Assignments
Study Notes
Guess Papers
Question Papers

Call Us WhatsApp

STUDY • PREPARE • SUCCEED

Skip in 10

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers