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HIMACHAL PRADESH MAR 2008 : Informatics Practices

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INFORMATICS PRACTICES (Theory) Time : 3hrs. M.M.70 ijh{kkFkhZ ;FkklaHko vius kCnksa esa gh m kj nsaA nks Candidates are required to give their answer in their own words as far as Practicable. izR;sd iz u ds vad mlds lkeus fn, x, gSaA Marks alloted to each question are indicated against it. uksV %& lHkh iz u vfuok;Z gSaA All Questions are Compulsory. fuEufyf[kr dFku esa lgh o xyr cukb,%& State whether the following statements are true or false: Q1. (a) ,d fucy esa 8 bits gksrs gSa. A Nibble consists of 8 bits. (b) MS-Word ,,d System Software gSA MS-Word is a system Software. (c) MS-Dos dk eryc Microsoft Dynamic Operating System gksrk gSA MS-Dos Stands for Micro Soft Dynamic Operating System. (d) Footer gj ist ds uhps Print gksrk gSA A Footer is Printed at the bottom of every page. (e) User, label control esa text dks cny ldrk gSA The user can change text in a label Control. (f) RIM Statement ds }kjk variables dks Declare fd;k tkrk gSA The RIM Statement declares the variables. (g) Visual Basic, event driven programming dk leFkZu djrh gSA Visual basic supports event driven programming (h) rkfydk] lacf/kr bytes dk laxzg gSA A table is a collection of related bytes. (I) SQL dk eryc Structured Query Language gksrk gSA SQL Stands for Structured Query Language. (J) Primary Key ,d Candidate Key gSA A Primary Key is a Candidate Key Informatics Practices (Theory) 38 (1x10=10) +1 Q2. (a) (b) Q3. (a) (b) (a) (b) Q4. (a) (b) Q5. (a) (b) Computer dh block diagram cukb,A Design a block diagram of Computer. RAM vkSj ROM esa vUrj crkb,A Differentiate between RAM and ROM. (OR) Assembler, Interpreter vkSj Compiler dh O;k[;k dhft,A Explain Assembler, Interpreter and Compiler. (OR) MS-Word ls vki D;k le>rs gSa\ bldh fo ks krk,a fyf[k,A What do you understand by MS-Word ? Explain its Features. Compile time vkSj run time errors esa vUrj crkb,A Differentiate between compile time and run time errors. Testing ls vki D;k le>rs gSa\ What do you understand by testing? (OR) Flow Chart vkSj Decision table ls vki D;k le>rs gSa \ Explain:(1) Flow Chart (2) Decision table. (3) (3) (6) (6) (3) (4) (3) Program Documentation ls vki D;k le>rs gS\ What do you understand by Program Documentation. (4) Visual Basic D;k gS \ bldh fo ks krkvksa dh O;k[;k dhft,A What is Visual Basic? Explain its features. (5) Visual Basic }kjk lefFkZr Data Types dh O;k[;k dhft,\ Explain the data types supported by Visual Basic . (OR) Visual Basic ds fofHkUu Controls dh O;k[;k dhft,\ Explain different types of Controls supported by Visual Basic. (5) (10) Control Array ls vki D;k le>rs gSaA What do you understand by Control Array. (5) O;k[;k dhft, %& (1) Pop-Up Menu (2) Shortcut Menu Explain :(1) Pop-up Menu (2) Short Cut Menu. (5) (OR) Informatics Practices (Theory) 39 +1 (a) Dialog box ls vki D;k le>rs gSa\ mudk ;ksx D;ksa gksrk gSA What do you mean by Dialog Box? Why they are used? (5) (b) Q6. Access Key vkSj Short Cut Key esa vUrj crkb,\ Differentiate between Access Key and Short Cut Key. (a) Normalization ls vki D;k le>rs gSaA 3 NF dh O;k[;k dhft,\ What do you understand by normalization? Explain 3NF. (4) Data Base Management System dh O;k[;k dhft,A Explain Data Base Management System. (OR) Data Redundancy ls D;k eryc gS\ O;k[;k dhft,A What do you mean by Data Redundancy? Explain. (3) O;k[;k dhft, %& Explain: (1) Primary Key (3) Alternate Key (4) (b) (a) (b) Q7. (a) (b) (a) (b) Q8- (2) (4) Foreign Key Candidate Key SQL esa fofHkUu izdkj ds Constraints dh O;k[;k dhft,A Explain different types of Constraints in SQL. (5) (5) fuEufyf[kr dh O;k[;k dhft, \ Explain the following. (1) Where Clause (2) Having Clause (3) Group By Clause (OR) Front end vkSj Back end dh O;k[;k dhft,A Explain Front end and Back end. (5) Data Definition language vkSj Data Manuplation language esa vUrj crkb,A Differentiate between DDL and DML. (5) fuEufyf[kr Functions dh O;k[;k dhft,, [fdUgha ikap] Explain the following functions [any five] (1) CONCAT () (2) LTRIM () (3) MOD () (4) ROUND () (5) POWER () (6) TRUNC () (7) UPPER () Informatics Practices (Theory) 40 (5) 10 +1

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Additional Info : Model Question Papers Of Plus One Examination March 2008 Informatics Practices (Theory)
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