Computer Studies (Primary Classes)

Computer (Primary Classes)

The Processing Device

The Processor Process: – Process is the operation of data or information as per given instruction. It is totally internal process of the computer system. CPU (Central processing Unit) is the main processing device of the computer   The main unit inside the computer is the CPU. This unit is responsible for all events inside […]

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Computer (Primary Classes)

Computer as an IPO System

A computer is an electronic machine that works under the instructions given by us. In order to perform any work, a computer follows three steps: Input – Process – Output. It can accept data (Input), manipulate the data according to specified rules (Process) and produce results as information (Output). To put it more clearly: 1.

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Computer (Primary Classes)

SOURCES OF INFORMATION

Information can come from virtually anywhere — media, blogs, personal experiences, books, journal and magazine articles, expert opinions, encyclopedias, and web pages — and the type of information you need will change depending on the question you are trying to answer. Look at the following sources of information. Books Encyclopedias Magazines Databases Newspapers Library Catalog

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Computer (Primary Classes)

INFORMATION

MEANING OF INFORMATION Information is stimuli that have meaning in some context for its receiver. When information is entered into and stored in a computer, it is generally referred to as data. After processing (such as formatting and printing), output data can again be perceived as information   TYPES OF INFORMATION Oral information Written information

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Computer (Primary Classes)

Data

Data is a raw fact that needs to be processed. it is called raw and unorganized facts. It is useless until it is processed and well organized. TYPES OF DATA 1 numerical data: These are mainly numbers such as 0,1,2,3,4,5,6,7,8,9 Alphabetical data: These are mainly letters A_Z and other words formed these letters e.g. father,

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Computer (Primary Classes)

TYPES OF BOOTING

Cold Boot: when the user switches on a computer after it has been power off completely, Warm Boot: when the user restarts the computer. When the booting process takes place, it copies kernel and important instructions of an operating system from hard disk to main memory (RAM). The kernel is the most important part of

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