2.1 Types of software

Question 1

Source Code

Answer 1

Source code is the software that is written by programmers.

Question 2

Strengths and weaknesses of source code

Question 3

Open source software

Answer 3

If it is open source, users can view and modify the code. Linux and python are examples

Question 4

Strengths and weaknesses of open source software

Answer 4

-Low in price I(sometimes free)
-shared in public domain so users can work together to modify debug and improve a product

-code prone to errors as may have not been fully tested
-Security risks some editors may add malicious code

Question 5

Closed source software

Answer 5

The code is restricted for users to view or modify.
Also known as proprietary software it is another companies property protected by law e.g spotify fortnite

Question 6

Strength and weaknesses of Closed Source Software

Answer 6

The code is well tested and the company can be held responsible, developers will offer help and support

However is often not free, users cannot modify the code, must rely on company to provide updates and fix issues

Question 7

Off the Shelf Software

Answer 7

This is any software made for general use with features that can be used in different ways for different purposes.
Office software, video games and image editors are examples

Question 8

Strength and Weaknesses of Off the Shelf Software

Answer 8

S: Has been thoroughly tested
Is cheaper than bespoke software
Users may be familiar with the software and trust the company

W: However it can be expensive,
May contain additional features can reduce performance

Question 9

Bespoke Software

Answer 9

Software that is custom made for a specific organisation e.g schools and hospitals

Question 10

Strength and Weaknesses of Bespoke Softwares

Answer 10

S: It is unique to the company’s needs
Display fits companys issues
Unwanted features can be removed to be faster.

W: It is expensive
training may be needed for the unique system

Question 11

Shareware

Answer 11

This software allows the user to trial the program for a limited time before forcing them to buy the product or stop using it.

Question 12

Freeware (what it is used for and examples)

Answer 12

This is software that is freely available to use.
These are usually closed source software that earn enough money through adverts or additional purchases.
Examples include iTunes and clash of clans

Question 13

Embedded Software

Answer 13

When a smaller computer system is installed within a larger device. They have a dedicated purpose and often run in real time.