Company LOGO Essential Standard 2.00 Understand business organization and management. 1.
0 2.00 Understand Computer Fundamentals
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Transcript of 0 2.00 Understand Computer Fundamentals
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02.00 Understand Computer Fundamentals
Unit Objective:02.01
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What Is A Computer? An electronic device that receives data,
processes data, stores data, and produces a result (output).
Classified by size, speed and application Uses hardware and software Comes in different types
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Types of Personal Computers Desktop computer: designed to be used on a desktop.
Notebook/Tablet computer: designed to be used on a desktop but still small enough to be portable.
Laptop computer: designed to be small enough and light enough to be used on your lap.
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Hardware The tangible, physical equipment that can be
seen and touched such as:• Computer Case• Monitor• Keyboard and Mouse• Disk Drive• Speakers
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Computer Components:Hardware
Hardware – the physical equipment of the computer that you can see and touch
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Monitor
Keyboard
Mouse
Printer
Speaker
Computer Case (Processor inside)
Floppy Disk Drive
CD-ROM/DVD Drive
PARTS OF A COMPUTER SYSTEM
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The Parts A of Computer CPU (Central
Processing Unit)• The “brains” of the
computer housed on a tiny silicon chip inside the computer case.
Floppy Disk Drive CD-ROM/DVD Drive Monitor
Keyboard Mouse Speakers Printer Scanner
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Input Devices Keyboard Mouse/Trackball Joystick Light Pen Touchpad
Touch Screen Bar Code Reader Scanner Microphone Digital Cameras
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Output Devices Monitor: screen that displays information
such as text, numbers, and pictures. Softcopy
Printer: gives you information computer in printed form.
Hardcopy Speakers: allow you to hear voice, music,
and other sounds from your computer.
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Processing Device Central Processing Unit (CPU)
– known as the heart or “brain” of the computer and is responsible for processing the information that has been entered into the computer
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Storage Devices Hard Disk Drive: used to
store data inside of the computer.• Magnetic platter that
holds a large amount of information in a form the computer can understand.
• Floppy Disk: flat circles of iron oxide-coated plastic enclosed in a hard plastic case.
• Most are 3 ½ inches and have a capacity to hold 1.44 MB or more of data.
CD ROM Drive: a compact disk that reads only memory.
CD-RW: a device that allows you to read and write to a compact disk
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Storage Devices (Con.) Internal Storage: Allows you to store information inside of the computer
Hard Drive: Allows the fastest access to information RAM (Random Access Memory) – temporary ROM (Read Only Memory) - long-term memory
External Storage: Allows you to use devices to store information outside of the computer Floppy Disks CD-ROMs (Compact Disc Read Only Memory) CD-RW (Compact Disc (Read and Write) DVDs (Digital Video Disc) USB/Jump Drives
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Which Storage Device Holds The Most Information?
FLOPPY DISKS1.44 MB
CD-ROM DISC640 MB
DVD DISC17 GB
HARD DRIVES80 and above GB