Answer:
The transport layer
Explanation: Layer 4, is the transport layer of the Open System Interconnection (OSI), that handles message transfer of data between end systems or hosts and ensures complete packets transfer.
<span>A switch is a central network device that connects network nodes such as workstations and servers in a physical Star topology</span>
Using key words is the best way to search things in the search engine. make sure everything is spelled correctly.
Answer:
A spreadsheet program is a computerized version of paper accounting.
Explanation:
A spreadsheet program is a computerized version of a paper accounting worksheet where everyone can easily use the sheet according to their need. For example, a spreadsheet can be used as a data entry sheet, as arithmetic operations. Data entry in paper accounting was done manually with paper whereas spreadsheet has cells in it to record the entries. Similarly, other operations such as recording the data, performing analytical operations were part of old system and these are now used in spreadsheet as a basic function. In short, the spreadsheet is a very friendly application where values can be analyzed, stored, and modified as per requirements. These all defined tasks are part of paper based accounting now done using computer program.
The only one of those I would trust is the site ending with EDU I hope this helps you.
