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What are the basic of a computer and its importance (Role of software…
What are the basic of a computer and its importance
What is the role of the computer system
Function
Input
Output
Storage
Process
Types of
Mainframe
Embedded
Super
Desktop
IPO (input process output cycle
What are input media and input device
Types of input
Bar code
OMR
MICR
OCR
Keyboard
Scanner
Define input device
What are output media and devices
Define output
Types of output
Visual output
Speaker
Earphone
Headphone
Audible output
Printer
laser
Inkjet
Dot matrix
Thermal
Plotter
What are storage media and device
Secondary Storage
Unit of storage
Kilobyte
Megabyte
Gigabyte
Bit
Bit
Byte
Terabyte
Types
Cd/DVD
Hard disk
Magnetic tape
F;ash drive
Memory card
Cloud storage vs Local storage
Role of software
define software
Application software
Custom written
Integrated
Customized
General purpose
Specialize
System Software
Operating system
Utilities
User Interface
Software Interface
Command line
Graphical user Interface
Menu Driven
Hardware Interface
Braille
Touch Screen
The basic computer hardware problems
Computer Specification
Memory type
CPU
Type
Speed
Trouble shooting
Cable problem
Printer problem
Monitor problem