The number of words and characters in the entire document is found from File ⟶ Properties ⟶ Statistics.

Auto spell check option checks each word as it is typed and displays a wavy red line under any misspelled words. Once the word is corrected, the red wavy line disappears. This can be done through clicking the icon.

Auto Formating can be applied by:
(i) Create a Table with the desired number of rows and columns.
(ii) Click Table ⟶ AutoFormat
(iii) A set of already designed styles with predefined names are available in the Auto Format dialog box.
(iv) Select the desired style and click OK button.
(v) The selected style is applied into your table.

(i) To give precise measurement for column width, Click Table ⟶ Table Properties, the Table Format dialog box as appears.
(ii) For resizing column, click the Columns tab. In the column width spin box enter the new column width or use spin arrow for the columns.
(iii) Click OK button.
(iv) The width of columns are resized as per the new values.

View: The View menu contains the options which are used to modify the environment of Writer like display of toolbars, web layout, print layout, navigator etc.
Insert: The Insert menu contains options for inserting various elements such as pictures, tables, charts, comments, headers, footers, special characters etc.

(i) The microprocessor which is an Integrated Circuit. Microprocessors were first introduced in early 1970s. The first general purpose microprocessor, 4004 was developed by Intel Inc.
(ii) The microprocessor is a programmable multipurpose silicon chip. It is driven by clock pulses. It accepts input as a binary data and after processing, it provides the output data as per the instructions stored in the memory.

The XNOR (exclusive - NOR) gate is a combination XOR gate followed by an inverter. Its output is "true" if the inputs are the same, and "false" if the inputs are different. In simple words, the output is 1 if the input is the same, other wise the output is 0.

Punch cards also known as Hollerith cards are paper cards containing several punched or perforated holes that were punched by hand or machine to represent data.