Army School Rk Puram

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Guess Paper – 2011 Class – XII Subject – Informatics Practices Time : 3 hours SET-I Max Marks:70

------www.cbseguess.com Other Educational Portals www.icseguess.com | www.ignouguess.com | www.dulife.com | www.magicsense.com Q1 Answer the following questions: (a) (i) Name a network to connect computers and other devices in a relatively small space. 1 (ii)A bank is planning to link its branches situated in various parts of the same city which type of network will be formed? http://www.cbseguess.com/ (b) (i)What is mean by sites Identification on Internet. 1 (ii)Most common communication protocol on Internet. (c) (i)Mr Ram is interested in transferring songs from his mobile to Mr Shyam’s mobile. Suggest two suitable wireless 1 options he may use for doing the same. (ii)How is bandwidth measured on analog circuits and digital. (d) Expand the following Terms: 1 (i) FlOSS (ii) FSF (iii) FQDN (IV) DHCP (e) The Great Britain Organisation has set up its new Branch at Srinagar for its office and web based activities. It has 4 wings of buildings as shown in the diagram : Wing

Wing U Wing Wing X Z Y

Center to center distances between various blocks Number of Computers Wing X to Wing Z 50 m Wing X 50 Wing Z to Wing Y 70 m Wing Z 30 Wing Y to Wing X 125 m Wing Y 150 Wing Y to Wing U 80 m Wing U 15 Wing X to Wing U 175 m Wing Z to Wing U 90 m

(i) Suggest the most suitable cable layout of connections between the Wings, and topology 1

(ii) Suggest the placement of the following devices with justification: 1 (1) Repeater (2) Hub / Switch (iii) The organization is planning to link its head office situated in Delhi with the offices at Srinagar. Suggest an 1 economic way to connect it; the company is ready to compromise on the speed of connectivity. Justify your answer. (f) (i) What type of address is the following ? Also define it. 1 20 : B9 : F1 : 63 : 2F : FB (ii) What for are these software used? (a) Apache (b) PHP 1

(g) Identify the topologies from the following. 1 (i) In it the nodes form a circular path for data to travel and each node is connected to two other nodes. (ii) It consists of a central node to which all other nodes are connected by a single path. (h) (i) Which of the following are the Open Source: 1 Linux,MS Windows 7,photoshop,Mysql (ii) Which of the following are the open standards .orgg .DOC .SVG .TTF .JPEGk Q2 Answer the following questions (a) (i) By default ,a combo box does not offer editing features .How would you make a combo box editable? 1 (ii) How would you set a label to have both an image as will as text? (b) What is the purpose of 1 (i) Default clause in switch statement ------(ii) Break statement in a loop.www.cbseguess.com (c) Which HTML tags are used to Other Educational Portals 1 (i) www.icseguess.comInsert a horizontal | rule.www.ignouguess.com | www.dulife.com | www.magicsense.com (ii) To format the text as a paragraph. http://www.cbseguess.com/

ARMY SCHOOL RK PURAM

Prepared by: Name sharmistha.dhole Email [email protected] Phone No. 9492921745

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