CBSE Class 7 Computer Science Sample Paper Set 12

CBSE Class 7 Computer Science Sample Paper Set L.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. 

1. Answer the following questions in brief :

a) Name two low level languages.

b) Name a palette that provides pre loaded shapes in Photoshop.

c) Name the tool that helps to select parts of an image that are similar in colour.

d) With which sign does a formula start?

e) Which tool helps to pick a desired colour from an image?

f) Name the two types of filters in Excel.

g) What is VALUE! error?

h) How many layers can be active at a time?

i) What is the extension of an Excel file?

j) What is a cell?

2. Define the following : 

a) System software         

b) Pixels

c) Input Devices

d) Sorting

e) Assembler

f) Output Devices

g) Resolution

h) Enter button

i) Max Function

j) Ref! error

3. Distinguish between the following :

a) Second generation and fourth generation of computers

b) Interpreter and Compiler

c) Bitmap images and vector images

d) Formula and Function

e) Hardware and Software

4. Answer the following : 

a) What is the difference between sorting and filtering?

b) Explain charts? Why are they used?

c) How do we apply a filter to an image?

d) What are layers in Photoshop? How are they useful?

e) What are Foreground and Background colours?

f) Write the structure of a Function.

g) Give the purpose of Concatenation function.

h) Name the Marquee tools in Photoshop.

i) What are high level languages? Give two examples.

j) Explain the autosum feature of Excel?

5. Convert the following binary numbers into decimal number : - 

a) 1101101001

b) 110001010

6. Convert the following decimal into binary numbers : -

a) 769

b) 514

7. Give the purpose of the following tools of Photoshop : - 

a) Magic Wand tool

b) Blur tool

c) Gradient tool

8. Explain the three types of Lasso tools? 

9. Give the output /write the formula : 

a) =SUM (C2:E2), cell C to E contains 25,26,27 values respectively.

b) = 5/0

c) MAX (C5:F5) where values are 99,45,56,78

d) To find the average of 20, 30, 40

e) To find the product of the values from B3 to D3, and write the answer in G3 cell.

f) Use function to add the values from cell D2 to D5.

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