THE INDIAN COMMUNITY SCHOOL, KUWAIT

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1 THE INDIAN COMMUNITY SCHOOL, KUWAIT SERIES : II TERM /FN/ CODE :N 065 TIME ALLOWED :3 HOURS NAME OF STUDENT : MAX. MARKS :70 ROLL NO. :.. CLASS/SEC :.. NO. OF PAGES :5 INFORMATICS PRACTICES ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Q1. Q2. a) What is MAC address? What is the difference between MAC address and an IP address? 2 b) Identify the type of topology from the following: 2 i) In it, each node is connected with the help of a single co-axial cable. ii) In it, each node is connected with the help of independent cable with the help of a central switching (communication controller). c) What do you understand by Network Security? Name two common threats to it. 2 d) Expand the following terms: 2 i) FLOSS ii) HTTP iii) NIC iv) ISCII e) Give examplesof two OSS for the following categories. 2 i) Operating System ii) Internet Related software a) Name the SQL commands used to : 2 (i) Physically delete a table from the database. (ii) Display the structure of a table. b) While using SQL pattern matching, what is the difference between _ (underscore) and % wildcard symbols? Give examples. 2 c) Sharmila wants to make the database named COMPANY active and display the names of all the tables in it. Write MySQL commands for it. 1 d) Distinguish between Single Row and Aggregate functions of MySQL. Write one example of each. 2 e) Differentiate between where and having clause in MYSQL. Give examples. 2 f) Define candidate key and alternate key. 1 Page 1 of 5

2 Q3. Q4. Q5. a) What is the difference between XML and HTML? Give any 2 points. 2 b) Which tag/attributes of HTML are used to 2 (i) Insert a picture in the web page. (ii) Insert an empty line in the web page. c) Name two attributes of FONT tag of HTML. 1 a) List any two web portal with their purposes involved in E-Governance. 1 b) How has popularity of e-business benefitted a common man? Write domain name of one popular e-business site as an example. 2 c) Write two advantages of e- learning sites. 1 d) What do you mean by backend? Give one example. 1 a) Write the MySql Command /Output for the following: Table: Prepaid Sno Cname Model Validity Activation_date Amount 1 Sita Nokia Ritesh Nokia Reena Samsung NULL Meetali Nokia Ramanju Samsung Anupam LG Sai Ram Nokia i) Write the command to create the above table with the following constraints. 2 Sno as primary key, cname as not null and amount between 500 and 5000 ii) To delete the column Model from the table. 1 iii) Delete all the details of the table with the Activation_date before iv) To add a new row into the table with the following details: 1 8, Deepa, 300,4000 v) Display Cname, Model and dateofexpiry where dateofexpiry is date of activation +validity for the model nokia or samsung. 1 vi) Change the value of Activation date by adding 10 days to it and amount by 1 amount*10 for the Model Samsung. Page 2 of 5

3 vii) Display all the details of the prepaid which is not having validity. 1 viii) Select count(*), Model from prepaid group by model having count(*) <3. 1 ix) Select month(activation_date) from prepaid where Cname like _i% ; 1 b) Write the MySql Command /Output for the following: Table: Shop BCODE NAME CATEGORY RATE DISCOUNT MADE PURCHASE_DATE STOCK 1011 SHORTS MEN CHINA YES 1012 SHOES KIDS INDIA NO 1013 SLIPPERS WOMEN UK YES 1014 SHIRT WOMEN INDIA NULL 1015 SHIRT MEN DHAKA NO 1016 T-SHIRT KIDS 600 NULL CHINA YES 1017 BAG WOMEN USA YES 1018 PERFUME MEN USA YES 1. Write a query to display the bar code number for the products which are available in stock Write a query to display the sum of the rate of the products for each country of origin Write a query to display name where average rate is between 250 and Write a query to count the number of products purchased before Write a query to display the details of the products purchased in the month of November in a year Write a query to calculate discount amount as rate*discount/100 for the products which are available in stock and name the column as DISCOUNT RATE Write a query to delete all the records of the products which are not available in the shop.1 8. Select avg(rate), Made from Shop group by Made; 1 9. Select count(distinct (category)) from shop; Select Bcode, name from Shop where discount between 6 and 10 order by Name; 1 Page 3 of 5

4 Q6. a) Write the MySql Command /Output for the following: CUSTOMER ID NAME AGE ADDRESS PID 101 KEVIN 28 DELHI P NELSON 35 PUNJAB P ROLAND 25 MUMBAI P CHRIS 40 NAGPUR P BETSY 26 BANGALORE P303 ORDERS PID PRICE PDATE PNAME STOCK P LAPTOP YES P PS4 NO P DESKTOP NO P SERVER YES P XBOX NULL i) Display the names of the customer along with their address where stock is unknown. 1 ii) Display the product names along with its price for a customer staying in Mumbai. 1 iii) Display customer id, name and product name where age is above 30 and price more than iv) Display the price of the product purchased in the month of May. 1 v) Identify the primary key and the foreign key of the table Customer. 1 vi) Display the name and age of the customer who placed an order for Laptop, Desktop or Server. 1 vii) Display the name of customer who made an order for the item which containing letter O in it. 1 viii) SELECT NAME, PNAME FROM CUSTOMER, ORDERS WHERE CUSTOMER.PID = ORDERS.PID AND YEAR(MDATE) > 2010 ; 1 Page 4 of 5

5 ix) SELECT NAME, AGE, PNAME FROM CUSTOMER, ORDERS WHERE CUSTOMER.PID = ORDERS.PID AND STOCK = YES ; 1 x) SELECT PNAME FROM CUSTOMER, ORDERS WHERE NAME LIKE %A% and CUSTOMER.PID = ORDERS.PID ; 1 b) Write the output for the following. 8 x 1 = 8 i) SELECT INSTR( INTERNATIONAL, NA ); ii) SELECT LENGTH(CONCAT( NETWORK, ING )); iii) SELECT ROUND( ,-2); iv) SELECT MID('Class 12', 2,3); v) SELECT TRUNCATE( ,2)+POW(2,3) ; vi) SELECT LCASE(SUBSTR( INFORMATICS PRACTICES, 5, 3)); vii) SELECT CONCAT(LEFT( SECOND TERM, 5), RIGHT( EXAMINATION, 4)); viii) SELECT DAYOFYEAR(' ') - SQRT(16) ; c) Given below is the Emp table 2 Eno Ename 01 Anita Khanna 02 Bishmeet Singh Set Autocommit = 0; Insert into Empvalues(05, Farzia ); Commit; Update Emp set Ename= Farzziya where Eno=05; Savepoint A; Insert into Empvalues(06, Richard ); Savepoint B; Insert into Empvalues(07, Riya ); Savepoint C; Rollback to B; What will be the output of the following query now? Select * from Emp; Page 5 of 5

INDIAN SCHOOL MUSCAT FIRST PRELIMINARY EXAMINATION 2017 INFORMATICS PRACTICES

Roll Number Code Number 065/ INDIAN SCHOOL MUSCAT FIRST PRELIMINARY EXAMINATION 07 INFORMATICS PRACTICES CLASS: XII Sub. Code: 065 Time Allotted: 3 Hrs...07 Max. Marks: 70 Instructions:. All the questions