Question

Define the following terms
(a) Control Unit
(6) Header and Footer
(c) AutoSum​

Answer 1

Headers and footers are typically used in multiple-page documents to display descriptive information. In addition to page numbers, a header or footer can contain information such as: The document name, the date and/or time you created or revised the document, an author name, a graphic, a draft or revision number.

Answer 2

Answer:

(a) The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor.

(b) A header is the top margin of each page, and a is footer the bottom margin of each page. Headers and footers are useful for including material that you want to appear on every page of a document such as your name, the title of the document, or page numbers.

(c) AutoSum is a Microsoft Excel and other spreadsheet program function that adds together a range of cells and displays the total in the cell below the selected range.

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