Monday, 10 February 2014

The impact of ICT on Society (1)

Online Shopping


1- Define online shopping.


A: Its an electronic commerce application that:

1- Businesses use with each other.
2- Business offers services or goods directly to the customers.


2- Identify Pros and cons for Business and customers.


For Customers:
Pros: 1- They can use it anytime, since its available 24 hours per a day.

2- There are different and many options for goods and services which may be not available in the customer country.

3- They can use it in home, since there is no need to go to the shop and buy from it. 
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Cons: 1- You cannot check the quality of the product.

2- You may need to provide more money for the delivery and shipping. 

3- The item may look different in the online website to what the actual item look like. 

Copyright © 2014 by Mohammed AL-Qubtan   


3- Identify Pros and cons for Business.

Pros: 1- Less stuffs needed

2- Can quickly change prices when needed.

3- Can highlight and show the most wanted products.

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Cons: 1- It costs a lot of money to design an attractive and easy-to-use website.

2- If the website goes down, the business stops.

3- A lot of online fraud, risk of losing money of sales. 

4- Online shopping process.
A) Explanation
1- Purchasing goods: 
There are four main steps for purchasing goods:

A- Decide which online shop to use: 
The most important thing is to choose a trusted website which sells what you need.

B- Browsing product categories: 
Choose the category that you want. For example if you wanna a computer, click on " Electronics " 

C- Using the virtual shopping basket: 
He can record or keep all his wanted items in the basket or cart, and he can add or remove from it too.
When the customer finishes, he goes to check-out stage.

D- Going to check out: 
He has to register and then choose the method of payment. 
Then he choose how the goods will be delivered and confirm the order.

Copyright © 2014 by Mohammed AL-Qubtan   


5- Identify security issues.

In order to protect the customers from the hackers, personal data and payment details are encrypted when they are transferred over the internet.


Copyright © 2014 by Mohammed AL-Qubtan   



Done by: Mohammed Al-Qubtan
Class: 12/A

References: 

1- Teach-ict
2- Applied ICT book 



Copyright © 2014 by Mohammed AL-Qubtan   

Thursday, 19 December 2013

Program flowchart exercise 2
 
 
 
 
 


Tuesday, 17 December 2013

Development and testing

The three main stages occurring development and testing are:

1- Create the system
2- Testing the system
3- Improving the system

Testing and improving the system in happening continuously till the system codes are 100% correct. 
  


Testing strategies:
Its about comparing the expected results and the actual ones.

The testing types:

1-Test data:
There are three types of the test data:

Normal: valid data
Abnormal: not valid
Extreme: The maximum or minimum data value

Example: The students marks must be >0 and <100

A- Normal data: The marks of the students is 90
B- Abnormal data: His mark is 120
C- Extreme data: His mark is 100

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2- Live data: The existing system data, the real ones.

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Sunday, 24 November 2013

Evaluation

Evaluation stage
 
 
Evaluation is used to detect the quality of the system.
Its evaluate the system using some ways:
1- Testing the results of a solution
2- Feedbacks from users
3- Making improvements to the system
4- Identifying limitations of the system


Wednesday, 20 November 2013

Documetation

Documentation
 
Documentation means the guideline, the tips and instructions given to both the user and programmer
 
There are two documentation types
 
1- Technical: It produced especially for the programmer and analyst to get rid of the errors occurring in the system, and if it needs more upgrading and development.
 
2- User: Its provided to the user to operate the system, like a tutorial.
 


SLC: System analysis

System analysis
 
Its the examining of the existing system
 
The four methods are:
1- Examining of documents
2- Interview
3- Observation
4- Questioners