Answer:
Use the HLOOKUP function in the cell E2 by specifying the student's hourly rate value, the range of cells of the table holding the information, the row from which to return the value, and a value of true or false for approximate or exact match respectively.
Explanation:
Microsoft Excel is a statistics tool used for data analysis. It has several functions and graphical properties for cleaning and representing data. 
The HLOOKUP function is an example of a search function in excel, it returns a value based on another value from a range of cells. The function accepts four arguments, they are, the value to be searched, the range table or cell range to search, the row to get the search value, and a mode of return value to return, could be either true for an approximate match or false for an exact match. 
 
        
             
        
        
        
Answer:
Charles Babbage, an English mechanical engineer and polymath, originated the concept of a programmable computer. He is considered the "father of the computer". He invented the first mechanical computer in the early 19th century.
Explanation:
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Answer:
Direct data access reduces the speed of retrieving data from memory or storage. Retrieving data and storing it in a cache memory provides direct access to data in the storage.
Explanation:
Sequential memory access, as the name implies, goes through the memory length location in search of the specified data. Direct memory access, provides a memory location index for direct retrieval of data.
Examples of direct and sequential memory access are RAM and tapes respectively. Data in sequential memory access can be access directly by getting data in advance and storing them in cache memory for direct access by the processor.