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Hardware refers to physical objects related to the computer and its peripherals. |
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Peripherals are any input, output or storage devices, connected to the I/O ports. |
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CPU(CENTRAL PROCESSING UNIT) |
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The CPU is equalivent to the "brain" of the computer. In a PC this is a single microprocessor. |
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ROM is permanent memory which cannot be changed by a program or user. |
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RAM is fast temporary memory in which programs and data are stored temporarily. |
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Cache is a block of extra fast RAM located on the CPU. |
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Flash memory is equalivent to RAM but is non-volatile. The computer treats it like an internal drive. |
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Storing data, such as documents, photographs and music, remotely and acessing it via. The Internet. |
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Universal Serial Bus(USB) is an industry standard for connencting computer periphals to personal computers |
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This will state the capacity of the computers RAM. |
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A software suitable for managing information in a table format. |
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Anti Virus Software scans for, detects and removes programs that try to gain acess to your computer and damage it. |
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A computerised filling system. It is a collection of data designed to allow easy searching and retrieval. |
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Allows the user to imitate a process to see how it would behave in the real world. |
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CAM (COMPUTER AIDED MANUFACTURING) |
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CAM refers to the use of computer software to control machine tools and related machinery in manufacturing. |
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HTTP is the protocol used to transmit web pages over the Internet. |
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HTTPS is a secure version of HTTP. |
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Users must pay to use proprietary software and dont have access to the software's source code. |
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Does not require payment for use but does not necessarily allow users to have access to the source code. |
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Is usually free to use buts its copyright holder also provides users with access to the source code. |
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Computer crime refers to any crime that involves any computer and a network. |
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Short for malicious software, refers to any software used to disrupt computer operartion. |
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Refers to an attempt to acquire private information such as usernames, passwords. |
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Copyright law legally protects owners of information, images, sound and music. |
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A LAN covers a small area such as one site or building, eg a school or college. |
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A WAN covers a large geographical area. Most WAN's are made from several LANs connected together. |
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A router is a device that forwards packets of data along networks. |
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Are important components of many communication systems. |
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