why is a client server so expensive?
because of its expensive hardware and high maintenance
what’s an advantage of a client network?
good security
how do you measure latency?
milliseconds
what addressing is 16 digits long?
MAC addressing
which addressing is 4 digits long?
IP addresses
what is the difference between static and dynamic IP
one stays the same whilst one changes
what protocol controls how messages are formatted?
IMAP
what is HTTPs full name?
hypertext transfer protocol
what is FTPs full name?
file transfer protocol
what is POPs full name?
post office protocol
what is SMTPs full name?
simple mail transport protocol
what is TCPs full name?
transmission control protocol
what should a good communication protocol include?
-how to set up a connection
-how to end a conversation
-how to start a message
- how to end a message
-how to deal with corrupt data
-how to format the data being sent
what is the four network layer?
application layer, network layer, transport layer, link layer
what does the link layer do?
enables the physical transfer of packets/ nodes
what does the application layer do?
translates the message into a form of understanding
what does the network layer do?
adds the senders IP address
what are the 2 primary recources the OS is managing so we can multitask?
RAM, CPU time
A user has many large programs open and the computer has become very slow.
What is the OS doing to manage memory in this situation?
The OS is using Virtual Memory by swapping data between the full RAM and secondary storage.
A computer has a single-core CPU with a clock speed of 3.0 GHz. How many instructions can it actually execute at any one exact moment?
1
What is Memory Management?
The process of controlling and coordinating a computer’s main memory to be shared between processes.
What is the keyword used to group files with regards to File Management?
Directory
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Paper 1 - Computer Systems2
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About the Course3
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1.3 Computer Networks, Connections and Protocols and Protocols42
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n.w22
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GeorgeF30
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Dru <35
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ola2
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GeorgeM5
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jasmine >_< (and big G)7
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Network layers4
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Maimie29
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Freya3
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Bradley's deck1
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nicks deck1
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zachattack2
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hazzywazzy6
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Justas's deck3
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Endpoint revision6
