Explanation

vacuum Tubes were replaced by Transistors.

Second-generation computers emerged with the development of Transistors.

The transistor was invented in 1947 by three scientists J. Bardeen, W.H Brattain and W. Shockley.

Explanation

Explanation

A workbook is a collection of one or more spreadsheets and charts in a single file.

Explanation

There are following five change cases in MS word

1.       Sentence Case

2.       Lowercase

3.       Uppercase

4.       Title Case

5.       Toggle Case

Shortcut key of Change Case in MS-Word: Shift + F3

Explanation

A soft copy (sometimes spelled "softcopy") is an electronic copy of some type of data,

such as a file viewed on a computer's display or transmitted as an e-mail attachment.

Such material, when printed, is referred to as a hard copy .

Explanation

The key used to delete a character to the left side of the cursor in MS Word 2010 is the Backspace button.

Pressing the Backspace key removes the character immediately before the cursor's current position.

Explanation

In Microsoft Word and other word processors, pressing Ctrl + X cuts any text, picture, or other object that is selected.

Ctrl + Z  used for = Undo

Ctrl + X  used for = Cut

Ctrl + Y   used for  = Redo

Explanation

Ctrl + R = use for Align selected text to the right.

Ctrl + E = use for Align selected text to the centre.

Ctrl + J = use for Justify paragraph alignment.

Ctrl + L = use for Align selected text to the left.

Ctrl + Q = use for Align selected paragraph to the left.

Explanation

Ctrl + N shortcut key used to Create a new presentation document

Ctrl + M shortcut key used for Insert a new slide

Ctrl + S shortcut key used to save a presentation

Explanation

In a spreadsheet, the data is organised in columns and rows.