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Computer Components. What is a Computer. A electronic device, operating under the control of instructions (Operating Systems and Application software) Can accept data Process the data Produce Results . ?. Operating System Software.
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What is a Computer • A electronic device, operating under the control of instructions (Operating Systems and Application software) • Can accept data • Process the data • Produce Results ?
Operating System Software • Set of programs that coordinates all the activities among computer hardware devices • Windows 7 • Vista • XP
Data vs. Information • Data – unprocessed items • “Stuff” you enter into computer • Information – Processed data • The processed data that is useful to you Data Information
Computer Components • Input Devices • Output Devices • System Unit • Storage Devices
Input Devices • Keyboard • Mouse • Microphone • Scanner • Digital Camera
Output Devices • Printer • Monitor • Speakers • IPod
System Unit • Processor • Contains the electronic components of the computer • CPU (Central Processing Unit) • Interprets and carries out the basic instructions • Memory • Stores instructions waiting to be executed and data needed by those instructions
Storage Devices • USB Flash drive • External Hard disk • Hard Disk Drive • CD