List Of Hardware And Software

At the end of this chapter you should be able to:. define Information and Communication Technologies (ICTs) and Information Technology.

provide an overview of a general model of a computer. provide an overview and concepts of the main components of a computer system.

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define shareware, freeware, free open source software (FOSS) and proprietary software.
explain the interdependency of hardware and software.
state and differentiate between the types of computers.
categorise computers/classification of computers.
list the advantages and disadvantages of using computers.
explain and differentiate between data and information.
explain the information processing cycle.
provide an overview of uses and examples of information within an organisation.
explain why is information useful.
provide an overview of a general model of an ICT system.
input device – any hardware or peripheral device that allows you to enter data into a computer or interact with a computer.

storage device – a hardware device that is used for storing data. random-access memory (RAM) – a hardware device, usually on the motherboard, that allows information and data to be temporarily stored and retrieved on a computer while it is on.

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processing device – a hardware device that receives the data, performs a set of instructions, and then returns the processed data to the RAM.
output device – a device that formats and presents data in a form understandable to a user.
communication device – a hardware device capable of transmitting a signal over a wire or wireless connection.
Information Communication Technologies (ICT) is the combination of computer-based technologies (such as computing devices and smartphones) with communication technologies (such as telephones, cell phones and the internet).
In practice, it refers to all the hardware, software, and systems essential to communicate electronically.
Over the last twenty years, the field of ICT has grown from a small niche field to one of the most important fields in the world.
Refer to the YouTube video to see how ICT has changed over the years.
define Information and Communication Technologies (ICTs) and Information Technology.
provide an overview of a general model of a computer.
explain the information processing cycle.
Information and Communication Technologies (ICT) refers to technologies that capture, transmit and display data and information electronically and includes all devices, applications and networking elements that allow people to connect in a digital world.
An ICT system refers to the overall set-up, consisting of hardware, software, data and its users.
ICT systems as a whole include:.
People – to supply the data and to make decisions from the output supplied from the system information, which is based on the results from processing data and the output from an ICT system.
input devices, storage, processor, output devices and communication devices.
Procedures – to determine what needs to be done and when.
This causes the passing of data or information between people.
Software – the computer programs which provide the step-by-step instructions to complete the task.
Data – raw material that is processed by the system to provide the information for the output provided by the system.

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Data can come in different formats, such as sounds, images, and videos, etc.

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