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Note for Advanced Communication System - ACS By john ndunda

  • Advanced Communication System - ACS
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John Ndunda
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Computer Application Skills Introduction

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The Computer • Computer : is an information processing machine used in different departments and organizations. • It performs three main operations: ➢ Receive input (data: raw facts). ➢ Process it according to predefined instructions. ➢ Produce output (information: meaningful data). Computer Application Skills Faith; Gretsa University

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Computer Operations Computer Receive Data Produce Process • Data: raw facts. • Information: meaningful data. Computer Application Skills Faith; Gretsa University Information

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Computer Components The major components of any computer are: • Input Devices: this group consists of devices that enable the computer to receive (insert) data. • System unit (CPU unit): This unit contains many components used to process data (CPU, Memory). • Output Devices: this group consists of devices that translate the information processed by the computer into a form that humans can understand (display information). Computer Application Skills Faith; Gretsa University

Lecture Notes