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U - Group Unit 2 (Components (NAS (Features (Not reliant on the internet…
U - Group Unit 2
Components
Harddrive
Type
SSD
NVME
HDD
Capacity
Dimensions
CPU
Cores
Speed
RAM
Motherboard
Sizes
NAS
Uses
Additional storage
Data back up
Features
Mirror
Accessible
Can have Separate storage for each user
Quick transfer of files over a network
Can be used as a back-up drive
Secure
Not reliant on the internet
Used on LAN
Benefits
Centralised storage
Less expensive
More reliable than cloud storage
On-site backup
Share capacity with suppliers and customers
Drawbacks
On-site therefore can be damages with main computers
Can be hacked if online
Accidental - deletion possible.
Operating Systems
Real-time Operating System (RTOS)
Satellite system
Automated cars
Live camera feeds
Single-user single task
Microwaves
Simple mobile
Washing machine
Single-user multi-tasking
Smart phone
MFPs
Windows
Multi-user
Windows server
Weather forecasting system
Software
Operating Systems
Process manager
Assigns resources to be process
Scheduling
Synchronising the different processes on a computer
Memory manager
Assigns memory blocks for the different applications being used.
Allocate between RAM and cache
Stores the location of the application data
File manager
Detects all the different files
Checks the permissions on each file
Allows a user to: Read, Write, Append
Device manager
Monitors devices on the computer
Manages the drivers for the hardware
Optimises the performance
Keeps track using an I/O controller