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Samacheer Kalvi 8th Science Books Libre Office Calc

Science : Chapter 23 : Libre Office Calc

TEXTBOOK EXERCISES

I. Choose the best answer.

1. All functions begins with an ______ sign

a) =     

b) –    

c) >   

d) }

[Answer: (a) = ]

2. ______ function is used to calculate the total of a given set of values.

a) Average 

 b) Sum 

c) Min 

 d) Max

[Answer: (b) Sum]

3. The _____ character is used in text formula.

a) Ampersand

b) Comma

c) Exclamation

d) Hyperlink

[Answer: (a) Ampersand ]

4. Which of the following is a relational operator?

a) +

 b) > 

 c) –

 d) NOT

[Answer: (b) >]

5. The ________ function returns the smallest value in a set of values.

a) Average 

b) Sum 

c) Min 

d) Max

[Answer: (c) Min]

II. Answer in detail.

1. Explain count function with an example.

Answer: Use the count function to get the number of entries in a number field that is in a range or array of numbers.

Example:

= COUNT(A2:A6)

Result = 5

2. What is the purpose of charts?

Answer: The main functions of a chart are to display data and invite further exploration of a topic. The purpose of chart is to visualize the data for easy understanding. 

3. What is the use of Sorting?

Answer: Sorting is the process of arranging data in ascending or descending order. The most commons uses of sorted sequences are: making lookup or search efficient, making merging of sequences efficient.

4. What is the use of MAX () and MIN () functions?

Answer:  Use of Max(): Calculates the maximum value from a given set of values

Use of Min(): Calculates the minimum value from a given set of values

5. What is cell address?

Answer: The cell address is a combination of column letter and row number.

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