User Interface User Interface

What is a User Interface What is a User Interface

A user interface is a link between the user A user interface is a link between the user and the computer. It allows the user and and the computer. It allows the user and the computer to communicate with each the computer to communicate with each other. other.

What is a User InterfaceWhat is a User Interface

The user interface control the way how The user interface control the way how data and instruction are entered (input) data and instruction are entered (input) into the computer and how the computer into the computer and how the computer present information on the screen present information on the screen (output). (output).

The main types of user interfaces The main types of user interfaces are:are:

Command Driven Command Driven

Graphical User Interface Graphical User Interface

Command Driven Command Driven

The Command Driven Interface is text-The Command Driven Interface is text-based interface, where the user types in based interface, where the user types in commands via the keyboard. Commands commands via the keyboard. Commands usually are typed one line at a time.usually are typed one line at a time.

Examples of command Driven Interface Examples of command Driven Interface are MS DOS, Linux and Unixare MS DOS, Linux and Unix

Command driven Interface Command driven Interface

Advantages of Command Advantages of Command Driven InterfaceDriven Interface

Faster than using Menus and Icons on a GUI interface.Faster than using Menus and Icons on a GUI interface. Less memory required, because of no graphics on the Less memory required, because of no graphics on the

interface.interface. Works on computers with limited hardware and software.Works on computers with limited hardware and software. Experienced users can use this system faster than Experienced users can use this system faster than

others.others. Complex commands can be entered to customise the Complex commands can be entered to customise the

operating system for a particular user.operating system for a particular user. Does not require a Windows Operating system to work.Does not require a Windows Operating system to work.

Disadvantages of Command Disadvantages of Command Driven InterfaceDriven Interface

People with limited knowledge of DOS may find People with limited knowledge of DOS may find the interface confusing and hard to use.the interface confusing and hard to use.

Errors in commands can cause the operation to Errors in commands can cause the operation to fail and can be very time consuming.fail and can be very time consuming.

Any errors in typing will require the user to re-Any errors in typing will require the user to re-type command. This time consuming and type command. This time consuming and frustrating.frustrating.

Commands have to be learnt, especially in UNIX Commands have to be learnt, especially in UNIX where there are hundreds.where there are hundreds.

The interface is not attractive compared to a GUI The interface is not attractive compared to a GUI interface.interface.

Graphical User Interface (GUI)Graphical User Interface (GUI)

Graphical User interface (GUI) is a type of Graphical User interface (GUI) is a type of interface that allows the user to control a interface that allows the user to control a computer’s input, storage and output computer’s input, storage and output through graphical elements. through graphical elements.

Graphical User Interface (GUI)Graphical User Interface (GUI)

Command Driven Interface Command Driven Interface Verses Verses

Graphical User Interface (GUI)Graphical User Interface (GUI)Command Driven Command Driven

Interface Interface (Disadvantages)(Disadvantages)

Graphical User Graphical User Interface (GUI) Interface (GUI) (Advantages)(Advantages)

Difficult to understand Difficult to understand and useand use

Easy to understand Easy to understand and useand use

Not very attractiveNot very attractive Very attractiveVery attractive

Mono-colouredMono-coloured Multi-colouredMulti-coloured

Not user-friendlyNot user-friendly User-friendlyUser-friendly

Command Driven Interface Command Driven Interface Verses Verses

Graphical User Interface (GUI)Graphical User Interface (GUI)

Command Driven Command Driven Interface Interface (Advantages)(Advantages)

Graphical User Interface Graphical User Interface (GUI) (GUI) (Disadvantages)(Disadvantages)

Faster than using Menus and Icons on a GUI interface.

Slower than using Slower than using Command driven Command driven interfaceinterface

Less memory required More memory is requiredMore memory is required

Needs limited hardware and software to work

Needs a lot of hardware Needs a lot of hardware and software to workand software to work

What is phpMyAdmin?What is phpMyAdmin?

PhpMyAdmin is a Web-based front end PhpMyAdmin is a Web-based front end for managing mySQL databases.for managing mySQL databases.

It has GUI screen for many common It has GUI screen for many common functions in mySQL.functions in mySQL.

Makes mySQL more user friendly.Makes mySQL more user friendly.

What can phpMyAdmin do?What can phpMyAdmin do?

Create and drop databases and tables.Create and drop databases and tables. Work with multiple MySQL servers.Work with multiple MySQL servers. Manage users and privileges.Manage users and privileges. Export table data.Export table data. Execute any SQL statement.Execute any SQL statement. 42 different languages.42 different languages. And more.And more.