MS-Word 2007 Basics — Information Technology STD 9 — Question

State any two functions of operating system,.

IT security today has become a major point of concern. What comes under IT security?

For what purpose pie charts are useful?

The following paragraph describes the term computer network.
A computer network is a group of (i) ………. that are (ii) ……… to each other for the purpose of (iii) ……. A computer (iv) …….. allows computers to communicate with many other computers and to (v) ………. resources and information.
Fill in the blanks with words from the list below:
Connected, Computers, Sending, Communication, Network, Share.

What are HLLs? Give example of some HLLs.

How will you insert Mathematical symbols in your Word document?

Explain encryption and decryption.

Mr. X has recently installed a new operating system on his computer

• Describe the main functions of an operating system.
• Name any two utility programs used by an operating system.

After modifying a document using track changes, in how many ways a document can be viewed?

Which device is used for recognising physical or behavioural traits of an individual. Also, write one advantage of this device.