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HARDWARE AND OPERATING SYSTEMS (Computer language and function (Binary…
HARDWARE AND OPERATING SYSTEMS
Computer language and function
Binary system
Input of data using peripheral devices
Output of data using peripheral devices
Storing data in the storage devices
Processing data in the CPU using the microprocessor and the memory
Computer elements
Microprocessor
Memory and units of storage
RAM
Computers main memory
Cache memory
Stores the data that microprocessor uses
ROM BIOS
It operates with system main memory
Storage devices
Permanently store the data
Magnetic discs
Optical disks
Solid state memory
Motherboard
All the components are connected to it
Software and operating system
Operating system
Manages the system resources
Manages the microprocessor and memory
Provides an interface or working environment
Allows communication between application and peripheral devices
Applications
Programming languages
Windows operating system
Installing and uninstalling programs
Hard disk maintenance
Cleaning & defragmenting the hard disk and detecting & repairing errors
Saving power
System updates
Linux operating system
Installing and uninstalling programs
How to keep your system up to date
Computer network
Set of computers connected so that they can share resources and exchange information
Local area networks
Metropolitan area networks
Wide area networks
Elements in a network
Adaptor or network card
Hub
Transmission medium
Wireless network
Wireless LANs use electromagnetic waves to transmit data
They use Wireless Access Point
Shared internet access
Using Internet Connection Sharing
Using a router
