Annex C Flashcards
What is a server?
Computer or computer program which manages access to a
centralized resource or service in a network.
What is a computer?
A Computer is an electronic device that manipulates information, or data.
What is ROM?
-ROM is a type of memory where data has been prerecorded.
-ROM is a form of permanent storage while RAM is a form of temporary storage.
-ROM can hold data without electricity
What is RAM?
-where programs, operating systems and data that’s currently being used is stored so that the processor can retrieve it quickly.
-RAM is a form of temporary storage.
- RAM needs electricity to hold data.
What is a network?
Defined as a collection of computers, servers, mainframes, network devices, peripherals, or other devices connected to one another to allow the sharing of data.
What does LAN stand for?
Local
Area
Network
What does WAN stand for?
Wide
Area
Network
What does a LEM, WSN, LSM stand for?
LEM = LAN Extension Module
WSN=WAN Service Module
LSM = LAN Service Module
What are parts of network?
- Rules
- Messages
- Medium
- Devices
What are the five layers for TCP/IP?
1, Physical
2. Data link
3. Network
4. Transport
5. Application
What is the data unit at each layer?
- physical - Bits
- data link - frames
- network - packets
- transport - segments
- app - data