ICT- Topic 15 Multi-media

What is Multi-media?

• Multimedia means the use of many different types of media such as text, audio, still images, animation, video and different types of interactivity

Multimedia can be used in:

• Education 
• Entertainment
• Business
• Society

Multimedia in Education:

• Used to help students who learn in different ways
• Uses different media to get the message across
• Brings subjects alive for students
• Tutorial packages using sound, video and animation

Multimedia in entertainment:

• Many people now spemd more time on their computers than they do watching TV
• Use social networking sites, chat rooms, online auctions
• There has been a huge change in the way people listen and access music and films

Multimedia in business:

• Most business use multimedia in their websites to promote their business
• Use a full range of multimedia features such as video, animation to advertise their goods or services
• Use multimedia in presentation given to customers

Multimedia in society:

• Multimedia technology have many benefits for society, these include:
• Flesibility to access information in many different forms
• Interactivity whilst using the material

Multimedia in the future:

• The use of miltimedia is set to increase in the future with the development of technology including:
• Ebook reader
• Live streaming
• Complete interent access anywhere anytime
• Glasses 
• Watches

Memory, Storage and Hardware for Multimedia:

• Memory- very important when dealing with multimedia technology. Have more memory will mean:
• Applications run faster
• More apps are able to run at the same time
• You are able to move quickly between apps

File sizes:

• Smallest to largest:
• Bit (0 or 1) the smallest unit of measurement
• Byte 8 bits
• Kilobyte (KB) 1000 bytes
• Megabyte (MB) 1000 kilobytes (KB)
• Gigabyte (GB) 1000 megabytes (MB)
• Terabyte (TB) 1000 gigabytes (GB)

Multimedia hardware:

Devices include:

• LCD/ plasma screen
• Mouse
• Graphics tablet
• Touch-sensitice input devices
• Microphone
• Digital camera

Backing storage for multimedia:

Includes:

• Magnetic hard drvies (fixed or portable)
• Optical disks (e.g. CD-ROM, DVD)
• Flash drives (pen drives, memory sticks etc.)
• Memory cards

Interactive components:

• Keyword
• Quizzes
• Questionnaires
• Games 
• Links

Advantages in using multimedia software:

• Offers interaction with the user- they can decide what they want to do and in which order
• Offers different ways of presenting information other than just reading text and loooking as still images
• Can suit different learning styles. For example, people who do not like reading can use animation or listen to audio
• It enables learning through exploration, discovery and experience

Disadvantages in using miltimedia software:

• It is very time consuming to produce a good piece of multimedia software and this can make some software expensive
• It places high demand on the hardware- so you often need to upgrade or buy new computers
• Sometimes when you prnt a webpage the text is not formatted properly