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Q. What is Data link layer?
Data link layer: data link layer is responsible for transmitting a group of bits between adjacent nodes. Group of bits is termed as frame. Network layer passes a data unit to data link layer and data link layer adds header information to this data unit. Data link layer performs below functions:
• Addressing: Headers and trailers are added containing physical addresses of adjacent nodes and removed on a successful delivery.
• Framing: Grouping of/bits received from network layer into manageable units termed as frame.
• Flow control: to regulate the amount of data which can be sent to the receiver.
• Media access control (MAC): who decide who can send data, when and how much.
• Synchronization: this layer also comprise bits to synchronize the timing to know the bit interval to recognize bit correctly.
• Error control: it incorporates CRC to ensure the correctness of the frame.
• Node to node delivery: it's also responsible for error-free delivery of entire packet/frame to the next adjacent node.
Central processing unit (CPU) : The part of the computer which executes program instructions is known as the processor or central processing unit (CPU). CPU is over single ele
Your code will be tested using a command script. The script is available on Blackboard in the archive MIPSimTest.zip. It contains a ReadMe file that explains how to run the script
sovling questions on transition table for sequential circuits
Distinguish between ROM, PROM, EPROM, EEPROM. Ans: ROM: It also called Read Only Memory is a Permanent Memory. The data is permanently stored and cannot be changed in Perm
Echo suppressor is detrimental to full duplex operation because? This disables one of the two pairs in a four-wire trunk line while a signal is detected upon another pair.
CGI stands for Common Gateway Interface, and is a mechanism by which a browser is permitted to communicate with programs running on a server. If you look at every word in turn it m
Database marketing tool or application helps a user or marketing professional in determining the right tool or plan for his valuable add campaign. This tool haves data from all sou
Q. Find the minimum SOP and POS expression for the following functions using K- Map and realize the expression using appropriate gates. Also realize SOP form using NAND-to-NAND ga
What are virtual Functions
In a report with an LDB attribute, you do not have to explain how the information should be retrieved from the database tables, but only how the data should be shown on the screen.
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