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Electronic Spreadsheet Class 9 Questions and Answers provide important exam-oriented questions with simple explanations based on spreadsheet concepts, formulas, functions, and data handling. These notes help students in revision, practice, and better understanding for exams.
Electronic Spreadsheet Class 9 Questions and Answers
Electronic Spreadsheet Important Questions
1. What is the difference between spreadsheet, worksheet and sheet?
Answer тАУ Difference between Spreadsheet, Worksheet and Sheet are тАУ
- Spreadsheet тАУ Users can use spreadsheet software to organize data in rows and columns and conduct calculations on it. A worksheet is made up of all of these rows and columns.
- Worksheet тАУ In LibreOffice calc by default 3 worksheet is given. Worksheets are similar to notebooks and contain numbers, characters and special characters.
- Sheet тАУ A cell is the point where a column and a row meet.
2. What do you call the document created in a spreadsheet application?
Answer тАУ A spreadsheet is a computer program that allows you to organize, analyze, and save data in a tabular format. Users of spreadsheets can change any stored value and see how it affects calculated numbers. Because various scenarios can be quickly evaluated without manual recalculation, the spreadsheet is ideal for тАЬwhat-ifтАЭ analysis.
Modern spreadsheet software has numerous interconnected sheets and can show data as text, numbers, or graphs.
3. What are the steps to create a new spreadsheet?
Answer тАУ To create a new spreadsheet you can follow the following steps
- Step 1 тАУ Click on Start Menu
- Step 2 тАУ Click on LibreOffice 5.4 Menu
- Step 3 тАУ Select LibreOffice Calc
4. What is the default name of the worksheet? How can it be renamed?
Answer тАУ By default the names of worksheets are Sheet1, Sheet2, Sheet3, you may easily rename the sheet using double click or using right click. You can also add multiple sheets in Spreadsheet.
5. Write the steps to insert and delete the worksheet in Calc.
Answer тАУ To insert and delete worksheet in Calc тАУ
- Insert Sheet
- Click on Insert tab to insert sheet in Spreadsheet
- Rename the sheet
- Delete Sheet
- Right click on the sheet and select delete option
6. What is an active cell? How to delete the contents of an active cell?
Answer тАУ When you start typing the cell begins active, Only the active cell can be used to enter data.
How to delete Cell тАУ
- If you wish to delete the contents of an active cell, select it and right-click on it, then select delete cell.
7. What is relative and absolute cell address in the spreadsheet?
Answer тАУ Difference between relative and absolute are тАУ
- Relative Reference тАУ In a spreadsheet, the default cell reference is relative. ItтАЩs only a combination of column name and row number, with no dollar ($) sign in between. When you copy a formula from one cell to another, the relative reference changes.
- Absolute Reference тАУ The dollar ($) sign is put before the column name and row number in an absolute reference cell. When copying a formula from one cell to another, the absolute reference will not change.
8. Explain any two operations performed on data in a spreadsheet.
Answer тАУ The two major operations done on data in a spreadsheet are formulas and functions.
- Formula is a software application that is used to keep organized and analyze data values in tabular form.
- In the spreadsheet, predefined formulas such as sum count average Max and mine are used.
9. How do formulae work in a spreadsheet?
Answer тАУ A formula is a statistical phrase that works with values in a set of cells. Even if the result is an error, these formulas return a result. You can use Spreadsheet formula to execute operations like addition, subtraction, multiplication, and division.
For example, =A1+A2+A3 calculates the sum of the values in cells A1 to A3.
10. Can you include more than one mathematical operator in a formula?
Answer тАУ Yes, a formula can contain multiple mathematical operators. For example =(a1+a2)*2
11. How to make visible the desired toolbar a spreadsheet?
Answer тАУ A тАЬspreadsheetтАЭ is a software application that allows you to store data in a tabular format. A toolbar is a group of images/icons that acts as a shortcut to the different functions. In a spreadsheet, press the тАЬCtrl+F1тАЭ key to make and hide the relevant toolbar commands.
12. Give the syntax and example of any three mathematical functions in the spreadsheet.
Answer тАУ The following is the syntax and an example of any three mathematical functions in a spreadsheet:
- SUM() тАУ This is a function that adds all of the values in a range of cellsтАж.
- COUNT() тАУ is a function that counts the number of cells which have a number.
- AVERAGE() тАУ is a function that calculates the average of a set of cells.
13. Give the syntax and example of any three statistical functions in the spreadsheet.
Answer тАУ The three statistical functions in a spreadsheet.
- =count() & =counta()
- =average()
- =Countblank()
14. Give the syntax and example of any three date and time functions in the spreadsheet.
Answer тАУ ExcelтАЩs ability to store and regulate times and dates is one of its most significant features.
- =now() тАУ Use the NOW function to get the current date and time.
- =date() тАУ There are three arguments to the DATE function: year, month, and day.
- =time() тАУ Use the TIME function to add a number of hours, minutes, and/or seconds.
15. Give the syntax and example of any three logical functions in a spreadsheet.
Answer тАУ There are three types of logical function in spreadsheet
- AND тАУ The logical AND function returns TRUE if all conditions are true, and FALSE if any condition is false. Example тАУ AND(A1>10, A1<100)
- OR тАУ When one of the terms is TRUE, the logical OR function returns TRUE; otherwise, it returns FALSE if all of the conditions are false. Example тАУ OR(A1>10, B1>100)
- NOT тАУ The logical NOT function converts true to false and false to true values. Example тАУ NOT(A1>10, A2>100)
Electronic Spreadsheet Class 9 Questions and Answers
16. Give the syntax and example of any three string functions in spreadsheet.
Answer тАУ The three string functions are тАУ
- Len() тАУ The len function in Excel allows you to determine the length of a string, or the number of characters in it.
- MID() тАУ In Excel, the MID() function is used to extract the character from the middle of a string.
- Left() тАУ ExcelтАЩs left function extracts the left character from a string.
17. Explain the advantages of drawing a chart in Calc.
Answer тАУ The following are some of the benefits of drawing a chart in Calc:
- You can represent the data easily
- It shows the data in a proper manner
- It is a powerful tool for every organization
18. Explain in one line each the various types of charts.
Answer тАУ
- Line Chart тАУ The Line Chart is very useful for depicting patterns. The vertical axis (Y-axis) of a Line Chart always shows numeric values, while the horizontal axis (X-axis) shows time or another category.
- Pie Chart тАУ Only one series of data can be displayed in a Pie Chart. A data series is a set of numbers that may be plotted in a row or column.
- Column Chart тАУ The Column Chart is an excellent method of comparing one or more sets of data points.
- Bar Chart тАУ The Bar Chart is similar to a Column Chart. The numeric numbers are displayed on the horizontal axis of a Bar Chart.
- Area Chart тАУ Area Charts are similar to Line Charts, Area Chart, are usually used to display patterns over time or in other categories.
- Scatter Chart тАУ A Scatter ChartтАЩs goal is to compare the values of two series across time or in another category.
19. Write the steps to insert a chart in Calc.
Answer тАУ To insert Chart in Calc
- Step 1 тАУ Click on Insert tab
- Step 2 тАУ Select Chart
- Step 3 тАУ Enter your data in the chart
20. Name and explain any five components of a chart in a spreadsheet package.
Answer тАУ The five components of a chart in a spreadsheet package are as follows:
- Chart area
- Chart Title
- Axis Title
- Plot Area
- Axis Values
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