Storage devices and media

What are Storage devices?

Storage Devices are the data storage devices that are used in the computers to store the data.

The computer has many types of data storage devices. Some of them can be classified as the removable data Storage Devices and the others as the non removable data Storage Devices.
The memory is of two types; one is the primary memory and the other one is the secondary memory.

The primary memory is the volatile memory and the secondary memory is the non volatile memory. The volatile memory is the kind of the memory that is erasable and the non volatile memory is the one where in the contents cannot be erased. Basically when we talk about the data storage devices it is generally assumed to be the secondary memory.

The secondary memory is used to store the data permanently in the computer. The secondary storage devices are usually as follows: hard disk drives – this is the most common type of storage device that is used in almost all the computer systems. The other ones include the floppy disk drives, the CD ROM, and the DVD ROM. The flash memory, the USB data card etc.
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Application of ICT in Libraries

Computers are used in libraries all over the world to provide access to a range of electronic information resources and to manage materials (books, journals, videos, and other media) held in particular collections.
Now, the Libraries not only offers access to printed materials via their reading rooms but also makes available a wide range of electronic information resources. Many libraries digitize material in their collections so that anyone in the world who has access to the Internet can explore the wealth of these collections
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Application of ICT in healthcare

dineshbakshi.com has been updated with IGCSE/GCSE ICT revision notes on the Application of ICT in health care industry.
Extract...
Input of data

Information regarding patients in entered into an information system (computer) using a computer keyboard. Common types of keyboards used in a hospital environment are:

Standard keyboard: keyboard with standard key arrangement and features.

Concept keyboard: keyboards with special arrangement of keys and are sued by disabled people or for special application. A concept keyboard is a flat-bed of contact switches covered by a flexible membrane. System and software designers can allocate on or more switches to respond in different ways.

With concept keyboards it is easy to manipulated and manage data or machinery and hence they are ideal for hospital environment. For example, controlling a CAT scan machine in a hospital is done using a concept keyboard specially designed for this purpose.
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Application of ICT in education

Role of ICT in the Classroom

Radio and television have been used widely as educational tools since the 1920s and the 1950s, respectively. There are three general approaches to the use of radio and TV broadcasting in education:
direct class teaching, where broadcast programming substitutes for teachers on a temporary basis;
school broadcasting, where broadcast programming provides complementary teaching and learning resources not otherwise available
general educational programming over community, national and international stations which provide general and informal educational opportunities.
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