define output ,data and information ,input and output device , memory ,and types of memory in brief
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Data generated by a computer is referred to as OUTPUT This includes data produced at a software level, such as the result of a calculation, or at a physical level, such as a printed document.
DATA are characteristics or INFORMATION, usually numerical, that are collected through observation. In a more technical sense, data is a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum is a single value of a single variable.
INPUT AND OUTPUT DEVICES act as an interface between the user and the computer. A device sends information to a computer system for processing is called as input device and a device that receives and then reproduces or displays the results of that processing is called an output device
In computing, MEMORY refers to a device that is used to store information for immediate use in a computer or related computer hardware device. It typically refers to semiconductor memory, specifically metal–oxide–semiconductor memory, where data is stored within MOS memory cells on a silicon integrated circuit chip
Computer MEMORY is of two basic TYPES – Primary memory(RAM and ROM) and Secondary memory(hard drive,CD,etc.). Random Access Memory (RAM) is primary-volatile memory and Read Only Memory (ROM) is primary-non-volatile memory.
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