Answer the following questions in brief.
a. What is the file extension of an Excel workbook?
b. Define a Cell reference.
c. What do you mean by spider?
d. Define packets.
Answers
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Answer:
a. .xlsx
b. A cell reference refers to a cell or a range of cells on a worksheet and can be used in a formula so that Microsoft Office Excel can find the values or data that you want that formula to calculate.
c. A spider is a software program that travels the Web (hence the name "spider"), locating and indexing websites for search engines. ... These programs constantly browse the Web, traveling from one hyperlink to another. For example, when a spider visits a website's home page, there may be 30 links on the page.
d. In telecommunications and computer networking, a network packet is a formatted unit of data carried by a packet-switched network. A packet consists of control information and user data; the latter is also known as the payload. Control information provides data for delivering the payload.