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8 Cards in this Set
- Front
- Back
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Hardware
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“All the parts of a computer that you can touch and pick up”.
Examples - keyboard, mouse, monitor, scanner, printer, CD-ROM, Motherboard, digital camera etc |
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Software
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“Computer data that is stored electronically and not physically”.
Software = programs that we run on our computers and tells the hardware how to do something useful. Tell the hardware what to do. 2 types - applications and systems |
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Desktop PC
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Usually found in the home.
Designed to be used by one person at a time and perform tasks such as Gaming, Household Account Management, Homework, Internet Access and Emailing. Made up of Input Devices, Output Devices and a Base Unit |
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Mainframe
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Very large and expensive and are capable of supporting hundreds, or even thousands, of users at the same time.
Used in large organisations for processing huge amounts of data. Use more than one processor which means they can perform many jobs at the same time. |
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Notebook
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Small and light versions of laptops.
Can be used for similar tasks to a laptop but they are reduced in power. Much smaller screens so detailed graphical work would be difficult Display quality can be lower than that of larger machines. Less expensive than other computers as they do not make use of components like CD/DVD drives.. |
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Palmtop
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Similar in computing power to PDA’s and are used for basic functions such as:
• Calendars • Phone and Address Books • Internet Connectivity • Emailing Often use a keyboard for data input rather than a stylus. |
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PDA
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PDA’s are handheld computers with facilities including
• Personal Organisers • Internet Browsing • Emailing • Satellite Navigation • Document Editing PDA’s can operate on a rechargeable battery with no need for an electrical outlet. They are often controlled using a ‘Stylus’ |
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Laptop
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Portable computers and are small enough to sit on your lap.
Almost as powerful as a Desktop PC and can be used for the same tasks and purposes Operate on a rechargeable battery with no need for an electrical outlet. |
