Explain the different types of computer system and compare their various features

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Explain the hardware, software and peripheral components of a computer system


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Learning Outcomes

1. Understand the function of computer systems

1.1 Explain the role of computer systems in different environments

1.2 Explain the hardware, software and peripheral components of a computer system

1.3 Compare different types of computer systems


2. Be able to design computer systems

2.1. Produce a system design specification to meet a client’s needs.

2.2. Evaluate the suitability of a system design specification


M1:Identify and apply strategies to find appropriate solutions

An effective approach to study and research has been applied for describing the role of computer systems in different environments.


M2:Select/design and apply appropriate methods / techniques

The selection of methods/techniques has been justified for the system design specification.


M3:Present and communicate appropriate findings

The appropriate structure and approach has been used for comparing the different types of computer systems.


D1:Use critical reflection to evaluate own work and justify valid conclusions

Conclusions have been arrived at through synthesis of ideas and have been justified in comparing the different types of computer systems.


D2:Take responsibility for managing and organizing activities

The importance of interdependence has been recognized and achieved in explaining the components of computer i.e. hardware, software and peripheral devices.


D3:Demonstrate convergent / lateral / creative thinking

Ideas have been generated and decisions taken in designing the new system specification.


Task 1

Explain the major components (peripherals) of Computer Systems and their functionality with necessary diagrams

a) Input / Output devices

b) Central Processing Unit

c) Memory


Task 2

Explain the following components of a computer system and differentiate their features

a) Hardware

b) Software


Task 3

Describe the roles of computers used in various environments.


Task 4

Explain the different types of computer systems and compare their various features.


Scenario (Use this scenario for answering Tasks 5 & 6)

Creative Automobile Pvt. Ltd. is an automobile company with few outlets in Southern part of the country. The company currently has 50 employees. At present, the company’s system is not supported by Graphical User Interface and Networking features.

However, understanding the trends and the needs of their business, the management of Creative Automobiles Pvt. Ltd. has decided to open a few more outlets in the country. Because the management has a firm belief that, if their company will have more outlets, it will be very useful medium that can be used to reach new customers and generate more sales.

And to be successful in implementing this business plan, the firm wants a new system which overcomes the limitations of the present system and also at the same time the firm has intent to make more recruitment to support their new business plan.

Being a System Analyst, you have been asked to thoroughly investigate the old system and propose the design of a new system for the company, which will also support Graphical User Interface and Networking features.


Task 5:

Analyze the old system limitations and produce a new system specification as per the client requirements.

Hint: Do the system analysis which includes the Problems/Limitations with current system, Functionality, Costs, Timescales, and Resources etc.


Task 6:

Analyze and select the best system specification which meets the Client requirements.

Hint: System specification should include Client requirements, System requirements, System components, Configuration, Resources, Time and Tools etc.



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