CBSE Class 8 Computer Science Sample Paper Set E

CBSE Class 8 Computer Science Sample Paper Set E. It’s always recommended to practice as mane sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

Q1)   Define any two ofthe following:

Query, Database , Referential Integrity

Q2) Differentiate between:

1)  Data and  Information

2)  Master and Slave  table

3)  Front end and Back end

Q3)  Answer the following questions briefly: 

1)  Give shortcut key to  run a query inLibreOffice Base .

2)  What is the need of arranging data inmore than one  table?

3)  List any 4 possible attributes ofa Teacher table. 

4)  Give any 2  examples  ofRDBMS.

Q4) Identify the valid field names from the following: 

"cust_id"  , Address, cust-id,  order_number, Age

Q5) List errors (ifany)  inthe following SQL statements:-!)  Select from Customer  *

2)  Select "Cust_id",  "Address" from Customer 

3)  Select orderNo from customer where id 2

4)  Select*  where id  = c007 and age=45

Q6) Briefly describe the advantages ofDBMS.  

Q7) Explain any 2 Integer data types available in  LibreOffice Base. 

Q8) Define a Report. What is the need of creating Reports?

Q9) What isa data type? How ischar data type different from a varchar? 

Q10) Explain the role ofa Database administrator. 

Q11)  Describe the components ofthe database system. 

Q12) Consider the following table :-

              TABLE NAME- HOSPITAL

NO  NAME      AGE      DEPARTMENT               ADDRESS      CHARGES

1 KARAN         65         SURGERY                  FARIDABAD       300

2 DIVAKAR     24          ORTHOPEDIC            NOIDA              200

3 DIVYA         45          SURGERY                 DELHI               300

4 SABINA      36           ENT                         GURGAON         250

5 ROBERT     16          CARDIOLOGY .           FARIDABAD       800

6 MOHAN      31          NUCLEAR MEDICINE   DELHI              400

7 VIKAS       19          CARDIOLOGY             GURGAON         800

8 ROBERT     29         CARDIOLOGY             NOIDA              300

9 JOHN        16          ENT                          FARIDABAD       400

10 ARUN     12          CARDIOLOGY             FARIDABAD       500

WRITE THE COMMANDS IN SQL FOR THE FOLLOWING :

a) To display all the records of the above table. (1)

b) To display Name and address of every person. (1)

c) To display all records where department is cardiology. (1)

d) To display Name and Department of those who have age more than 40. (1)

e) To display the records of those persons who are staying in Noida and have charges= 300

Please click the link below to download CBSE Class 8 Computer Science Sample Paper Set E.