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Hardware and operating systems, image, image, image, image, image, image,…
Hardware and operating
systems
1.COMPUTER ELEMENTS AND FUNCTIONS
Computer functions
Input, Output, Storing, Processing data
ASCII
We give a code to each od the letters of the alphabet, and to tcharacters computersuse, so we can store them.
When we communicate ur memonse a sentence or make calcuations.we use a lot of different svmhols, sounds and images. This is called binary sistem.
6.COMPUTER NETWORKS
Wireless network
All computers need a wireless network card. Networks with a combination of wired and wireless devices use wireless access points.
Shared internet access
Using internet connection sharing. Using a router.
Elements in a network
Each computer needs an adaptator or a network card. The hub distributes the information. This information travels to a transmission medium.
SOFTWARE AND OPERATING SISTEM
Functions of the operating system
Manages the microprocessor, manages the memory and storage system, provides an intefaces or workimg environment, allows communication between applications and periphelal deevices
Operating system, applications, programing lenguages
4.WINDOWS OPERATING SYSTEM
Hard disc maintenance
Cleaning the hard disc, defragmeting the hard disc, detecting and repairing errors
Saving power
Installing and unistalling programes
System updates
5.LINUX OPERATING SYSTEM
Installing and uninstalling programs
How to keep your system up to date
COMPUTER ELEMENTS
Memory and units of storage
RAM, Cache Memory, ROM BIOS, Storage Devices
Motherboard and connecting devices
Inside the computer you'll find a large board; we call it the motherboard. Connecting external devising
Microprocessor
Computer history is very closely linked to the developed of ingreated circuits or chips. The clock rate, today's microprocessor can process 64 bits at a time, cache memory, AMS.