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What is the basic computer system and importance ? (What is the role of…
What is the basic computer system and importance ?
What is the role of the computer system
Define the computer
Types of computer system
Super
Mainframe
Desktop
Mobile
Embedded
What is Information technology
Function
Input
Process
Output
Storage
What are input media and input devices
Types of input devices
OMR
OCR
Barcode reader
Scanner
MICR
Keyboard
Mouse
Bio metric
Light pen
Webcam
What is an output media and output device
Printer
Dot matix
Laser
Thermal
Plotters
Monitor
Audible output
Speaker
headphone
What is a storage device
Unit of storage
KB
Bit
Byte
Kilobyte
Megabyte
Gigabyte
Terabyte
Types of storage device
Hard disk
Magnetic tape
Flash drive
Flash memory
CD/ DVD
What is the role of software
Types of software
Application software
General purpose
Integrated
Custom written
Customized
System software
Operating system
Utility software
User Interface
Hardware Interface
Touch screen
Specialized keyboard
Software Interface
Command line
Menu driven
Graphical user
What are the basic computer hardware problems
Computer Specification
Processor
Type
Speed
Memory/RAM
Types of software
Secondary storage
Capacity
Speed
Input/ output device
Trouble shooting
Printer problems
Monitor problem
Cable problems
Battery problems