CBSC 12th IT System Question Paper 2013 Free Download
CBSC Class 12th IT System Question Paper 2013, CBSC Delhi Class 12th (XII) 2013 IT System Question Paper CBSC Class XII IT System Question Paper 2013 outside Delhi Students Free Download CBSC 12th – XII IT System Question Paper for Foreign Students with Answers and Solution 2013 CBSC Board Exam Papers for Class 12 (XII) std CBSC 2013 IT System Question Bank with Full Details
Time : 3 Hours
Maximum Marks : 50
1. Expand the following abbreviations and write a brief description about each:
2. Fill in the blanks with suitable word(s):
(a) Out of ROM and RAM, _______ is volatile memory.
(b) ____________________________ is the batch file that DOS automatically executes when a computer boots up.
(c) The _______ of the computer is called the brain of the computer.
(d) When you have two or more computers connected to each other, you have a computer ___________.
(e) A ________ is an Internet-based discussion forum about a particular topic.
(f)A ___________________________ is a string of characters used for authenticating a user on a computer system.
(g) The process of reducing a file size so that it takes lesser storage space is called __________.
(h) Web _________ is the software used to view web pages.
(i) In a network, a ________ is a computer that provides data and other resources to other computers.
(j) _______________________ .SYS is the configuration file for DOS systems.
3. Answer the following questions:
(a) Why should we update the antivirus software frequently?
(b) How is a website and a web page related?
(c) Define ‘Gateway’ with respect to Computer Networks.
(d) How does Digital signature ensure authenticity of documents?