Computer concepts and applications pdf

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computer concepts and applications pdf

[Pdf] download go! all in one computer concepts and applications (3rd…

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Published 14.01.2019

Computer Basics PDF

1)Computer Concepts Notes

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Please refer to these notes when viewing the presentation. Slide 4: A computer is defined as an electronic device that operates under the control of internally stored instructions that can accept input, process data both mathematical processes and logical processes , produce output, and store the results. Basically, a computer transforms data into information. There are 4 General Operations of a Computer based on this definition : 1 Input Data is input into the computer. Data is the numbers, words, images, etc.

What is a computer? An electronic device, operating under the control of instructions stored in its own memory unit, that can accept data input , manipulate the data according to specified rules process , produce information output from the processing, and store the results for future use. Input Devices Any hardware component that allows you to enter data, programs, commands, and user responses into a computer Input Device Examples Keyboard Mouse. Output Devices Output devices make the information resulting from processing available for use Output Device Examples. Communications Devices A communications device is a hardware component that enables a computer to send transmit and receive data, instructions, and information to and from one or more computers Communications occur over transmission media, such as telephone lines, cables, cellular radio networks, and satellites.

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