IPv4 and IPv6 and MAC
IPv4 . 4 numbers . 8 bits (255) .
IPv6 : 8 numbers : 4 digit hex :
MAC - 6 numbers - 2 digit hex
4 markers in specific scenario asking for 2 points
Use content for point and explain using application eg Higher bandwidth so less airport delays
What does memory management do
Transfers data from secondary storage to RAM
Multitasking
Handles virtual memory
What does user interface do
Allows user interaction with computer
What is spyware prevented with
Antispyware
Utility programs
Encryption
Defragmentation (reorganises files by putting fragments together)
Data compression
Feature of a LAN
Use dedicated internal hardware
Bits in ASCII
ASCII uses 8 bits for each character
RAM vs Cache
RAM stores currently running data/instructions
Cache stores frequently used data/instructions
CU
Controls the flow of data
How does the number of devices affect network speeds
Bandwidth will be split between devices so more devices mean each device will get less bandwidth so transmission speeds will be slower
Why is ethernet a standard
It is used in many devices for compatibility with other devices
