ICT

Paula Galvis
Mind Map by Paula Galvis, updated more than 1 year ago
Paula Galvis
Created by Paula Galvis over 6 years ago
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This is a homework from ICT.

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ICT
  1. In terms of ICT, data is simply any numbers, letters or symbols that can be entered into a computer system.
    1. Information is data that has a context and so it has a meaning.
      1. A system has three stages: input, process and output.
        1. A computer is a device that stores and processes information according to a set of instructions.
          1. Hardware is the physical parts of the computer system – the parts that you can touch and see.
            1. Software is a collection of instructions that can be ‘run’ on a computer. These instructions tell the computer what to do.
              1. Computer hardware is the physical components that make up the computer system. Hardware is useless without software to run on it. Software is instructions that tell computer hardware what to do. Software is useless unless there is hardware to run it on.
                1. The CPU is the 'brain' of the computer. It is the device that carries out software instructions.
                  1. Random Access Memory (RAM) is the part of the computer that temporarily stores the instructions that the computer is running, and the data it is processing.
                    1. Peripheral devices are usually categorised into input devices, output devices andstorage devices.
                      1. Input devices are devices that pass data into the computer are known as input devices.
                        1. Output devices are devices that take data from the computer are known as output devices.
                        2. An operating system is a special piece of software that manages the general operation of a computer system
                          1. The system that people use to interact with a computer The system that people use to interact with a computer.
                            1. A GUI is an interface built around visual (graphical) things
                              1. A command-line interface is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).
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