Computer Systems Revision
- Created by: George Fearnyough
- Created on: 10-02-14 11:46
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- Computer Systems
- Types of hardware
- Input Device (this allow the user to enter data into the computer)
- Microphone
- Touchpad
- Scanner
- Keyboard
- TouchScreen
- Mouse
- Joystick
- Output Device (used to output data previously entered into the computer)
- Printer
- Lights/LED's
- Speakers
- Headphones
- Screen/ Monitor
- Input Device (this allow the user to enter data into the computer)
- Types of software
- Application Software
- Application software is different because it allow you to do everyday tasks
- Examples of Application Software: Word Processors, Spreadsheet Software, Graphics Software, Web Design Software
- System Sofware
- User Interface
- The user interface is how the user interacts with the computer, providing instructions and controlling the device
- Utility Programs
- Utility programs only do one or two tasks but do them very well
- Tasks include: File Compression Sorting Renaming Conversion and Repair, Anti Virus Checks, Disk Defragmentation and Backing up Data
- Drivers
- Drivers Translate commands from the operating system into commands that the Hardware understands
- Operating System
- Examples: Linux, Windows 7, MacOS
- Sorting out where to store data on disk drives
- Dealing with security (passwords and usernames)
- Organising files and dealing with saving, opening, deleting and closing files
- Managing data transfer from the CPU
- User Interface
- Application Software
- Types of hardware
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