Activated by a part of the anatomy e.g. mouse, joystick, foot, head, eye, etc
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What is the Continuous entry input entry?
This is where the data being entered is constant
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What is the Discrete entry input entry?
provides a single data entry for the system, for example: a mouse button, touchscreen or keyboard – each data entry is single only
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What is the command based system interface?
Commands are typed into the computers operating system. This allows you to do things software wont
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What is the Forms system interface?
Boxes to enter/choose data which are useful for novice users but limits choice
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What is the Menus system interface?
Series of related items which can be clicked- easy for novices
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What is the Natural Language system interface?
User types or speaks in normal everyday language and the computer responds; useful for physically disabled people and novice users as they do not need to understand the computer to use it
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What is the Graphical user interface?
Replaces some of the text with images and may incorporate menus, forms and commands. WIMP
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What is the Direct Manipulation system interface?
Where the user interacts directly with the interface, and by their actions, is part of that interface (Scroll bars in Windows and Control box to resize a window)
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What are the different types of software?
User - Application - Operating System - Hardware
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What is the operating system software?
Controls the entire operation and the basic functions of the computer. Join all software and hardware together. Windows XP, IOS…
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What is the utilities software?
They make the operation of the computer easier. Defrag, Antivirus…
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What is the application software?
All programmes that help you to perform tasks. PowerPoint, Internet Explorer…
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What is Standardisation?
Making hardware universal so that it can fit many different products. E.g. USB cables
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What are storage devices?
To store data that is not currently being processed Sometimes referred to as secondary store or mass storage.
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What are the advantages of standardisation?
Cheaper to add to or replace your equipment - More convenient, as you don’t need to replace the entire machine if the fault is just in one part - More availability because more people sell these standardised hardware devices
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What are the drawbacks of standardisation?
Companies compete and can bankrupt each other - Less choice, because its unique to the device - Need to purchase equipment straight from the companies so it’s more expensive
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