1. The first and main part of the taskbar is the Start Button. Which is situated in the bottom left corner. It is also called Menu Button. Its structure also depends on the Windows version. It can be round, square, or rectangular.

2. All Programs, Folders and Settings are accessed with the help of the Start Button. From here you can find the program of your choice, run it and create its desktop shortcut.

All are matched-

(a) Ctrl + Shift + C    (vi) For pasting

(b) Ctrl + Z                 (iv) Undo

(c) Ctrl + L                 (ii) The alignment of the text

(d) Ctrl + H                (i) To replace

There is a table in MS Excel which contains numbers from 0 to 10. If you have to add numbers greater than 5 in that table, then the formula =SUMIF (A2:A8,”>0″) is suitable.

You can restore the following if your computer crashes.

1. Restoring the Windows Registry

2. Restoring installed applications

1. Mail Merge is a facility in MS Word using multiple or different letters, invitation cards, and personal letters that can be sent to many people in a minimum time.

2. This feature is more useful in a situation when a user has to deliver a letter or invitation card to thousands of people.

3. We can understand mail merge with an example. Suppose we have to send a letter or card to 1000 different people with their names and addresses, in that case, we will have to copy and paste that letter 1000 times for all those people, and then a lot of time will be wasted. A database will be created which will contain the names, addresses and other information of all the recipients. This database file is in MS Excel or MS Access.

1. A presentation design template is used to ensure a uniform display of all the slides present in the presentation.

2. A presentation design template is a ready-made theme that includes text, images, shapes, and colours. Using templates, you can create a uniform look and feel for all slides.

1. Computers on the Internet are uniquely identified through their IP address.

2. IP address (Internet Protocol address) is a digital address used to identify a computer or device on the Internet or any other network.

3. IP address is a set of four numbers. It is in this format 191.150.1.38. Is visible in. The set of numbers for an IP address ranges from 0 to 255. That means the IP address ranges from 0.0.0.0 to 255.255.255.255.

A firewall is a software tool, which protects-
1. Server
2. Network
3. Personal Computer