The Computer and Its Parts Technology Applications (Keyboarding)

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Presentation transcript:

The Computer and Its Parts Technology Applications (Keyboarding)

Keyboarding Terminology 4 Ergonomics - The scientific study of equipment design, as in office furniture or transportation seating, for the purpose of improving efficiency, comfort, or safety. 4 Qwerty Keyboard –named after the five letter keys located at the top left side of the keyboard; 4 home row – a s d f j k l ; - where finger positions start from. 4 ESCAPE KEY - a key that lets the user cancel the last operation and go back to the previous screen

What is a Computer? 4 Ergonomics - 4 Computer – Electronic device that processes info. quickly and accurately. THE BOX. 4 CPU – (Central Processing Unit) - The brains of the computer.

Parts of the Computer 4 Peripheral – hardware connected to computer that makes it easier to use. 4 Monitor - used to display info. 4 Keyboard - An arrangement of keys either attached to or apart from the computer. 4 Printer – inkjet, laser, color laser.

Computer Parts continued 4 Types of Saving Devices –Hard drive – inside your computer (C) –Floppy disk drive – 3 ½ inch (A) No longer useful technology New computers do not have the floppy disk drive

–Flash drive – USB storage device Faster, more durable, and holds more data than the floppy disk –CD-ROM drive –  (D) –DVD-ROM drive  (D) –Network – server located in the library. Computer Parts continued

Network 4 Definition: Computers connected together. 4 Blue cables 4 Router 4 Server located in library

Four Functions of a Computer 1. Input - Entering data in the computer 4Mouse, keyboard, scanner, disk drive, etc. 2. Processing – Task is carried through 4CPU 4Binary Code 3. Output – Processed information put out by computer 4Monitor, printer, speakers, disk drive, etc. 4. Storage – Where information is saved 4RAM – temporary memory, “working memory” 4ROM – Permanent storage for instructions to the computer

Input/Output 4 Input – Information entered into the computer. –Input Devices: Keyboard, mouse, microphone, scanner, webcam, remote control, DVD drive 4 Output – Processed information put out by the computer. –Output Devices: Monitor, printer, speakers, copy machine, DVD burner

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