CBSE Class 8 Computer Science Sample Paper Set 17

CBSE Class 8 Computer Science Sample Paper Set Q. Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations. The sample papers have been prepared based on summative assessment1 and summative assessment 2 pattern. The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website.  All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students. 

Q1 Multiple choice questions 10x1=10

i. It is a device that connects wireless communication devices to form a wireless network.
a. WAN
b. Wifi
c. WAP

ii. Which of the following is not an example of a selection tool?
a. Fuzzy select tool
b. Clone tool
c. Select by color tool

iii. The ______________ are the certain sets of rules that determine how data should be transferred over the network
a. Protocols
b. Network cards
c. Both

iv. It refers to computer network restricted to an organization
a. Intranet
b. Extranet
c. Telnet

v. Which key is pressed to move to the next field in a table (in BASE)?
a. Alt
b. tab
c. ctrl

vi. ________________ is the standard file name extension in Libre Office Base
a. odc
b. odb
c. ods

vii __________ are used to perform calculations in C++
a. Identifiers
b. Operators
c. Tokens

viii Except ______________, no other special characters are allowed while defining a variable.
a. Dollar
b. Underscore
c. Percentage

ix. Blogger was launched in the year __________
a. 1990
b. 1995
c. 1999

x. ____________ is similar to a physical wallet, which is used for keeping money, credit or
debit.
a. Mobile wallet
b. Online wallet
c. Real time wallet

Q2 Debug the following program rewrite the correct code after removing the errors.
#include
#include
Void main()
{
for (i= =1; 20=>i : i++)
{
cout << I;
}
}

Q3 Write the output for the following C++ program 2
#include
#include
void main()
{
clrscr();
int a=10, b;
a++;
b=a+15;
cout << “ the values of a and b are “ <cout << “ the new values of a and b are “ <<++a<< b- - <getch();
}

Q4 Rewrite the following program using if..else statement without changing the meaning of the program. 
#include
#include
void main()
{
clrscr();
int x=20;
char s;
s=(x%2==0)? ‘E’ : ‘O’ ;
getch();
}

Q5 Answer the following questions in one word or sentence
i. Which keyword is used to declare character datatype?
ii. What does conio.h stand for?
iii. What is preprocessor directive?
iv. What is the extension of the open shot project files?
v. What is Ted Nelson known for?
vi. Expand JPEG
vii. Which technical term in real time communication describes the process of sending the
file back and forth among participants?
viii. Name any one real time application used in the field of Education

Q6. Define the following terms 
i. Queries
ii. Playhead
iii. Server
iv. Filters in GIMP
v. Resolution
vi. Variable

Q7 The following questions are based on Surfing Internet
i. Who is known as the father of Internet? 
ii. Define blog. 
iii. When Ashok was trying to download a software, he got the popup message to download special software before downloading his software. What additional software was he asked
to download? Also define it. 
iv. Ashima was playing an audio file while downloading from the internet. When Manish asked her about that, she could not reply. Mention the term used for describing the above
process and help Manish to get answer to his query. Also name any two players which allow this process. 

Q8 The following questions are based on open shot video editor
i. Mohit has created a project file in OpenShot video editor. He saved the file with the name farewell.asp. When he tried to open this project file in Openshot video editor he was not able to open it. What is the reason? 
ii. Name two transition effects available in Openshot. 
iii. Mention any two features of Open Shot Video Editor. 
iv. Differentiate between importing and exporting a file. 
v. Label the following tools/optionns 

Q9 The following questions are based on GIMP
i. Mention the function of the following tools. 
a. Fuzzy Select tool b. bucket fill tool
ii. Refer the below figure and answer the following questions 

a. How many layers are used in the above image? Name the background layer. 
b. Identify the tools labeled as A and B
c. If you were asked to flip the layers to create the mirror image, then which tool will be used? Draw its icon from the above figure. 
d. Ali has designed a greeting card in GIMP. He wants to change the colour of flower from purple to pink. Suggest him the suitable tool that will help him to perform the above task.
e. To save disk space, compressed file can also be saved in GIMP.[True/False]
f. Name any two image editing software’s other than GIMP. The following questions are based on BASE

Q 10 Refer the following figure and answer the questions that follow 

i. Mention the number of records and fields in the above table.
ii. Name any flat database where this data can be created?
iii. If the above data is saved in relational database software, which component will help us
to display only the selected data in printable format
iv. Define primary key

Q11 Write a program in C++ to enter a number and print the average of its first 10 multiples using while loop. 

Q12 Write a program to print if the student has passed or failed. If percentage entered by user is more than 40% then he is pass otherwise he is fail. 

Q13 Answer the following questions 
i. What is networking? Mention its two advantages
ii. Differentiate between timeline and preview window.
iii. Mention any four features of Libre office base
iv. How can you rotate an image in GIMP?
v. What are the two modes of GIMP user interface?
vi. How are entry controlled loops different from exit controlled loops?
vii. Define operators. Mention difference between = and = = operator.
viii. Mention any four applications of C++.

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