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Wednesday, September 17, 2025

What is the use of macros in a spreadsheet? Class-10-Part:B-Unit:2-Ch:2:

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What are macros in sheet?
CBSE SOLUTIONS-2025-26
CLASS-10-PART-B
unit-2 electronic spreadsheet using libreoffice calc
chapter- 2 Using macros in Spreadsheet

Section A – Fill in the blanks
1.Sorting means arranging the data in an ascending or ______ order.
Answer: Descending
2.Sort option is available in ______ tab.
Answer: Data
3.The option to ______ in Labour Office Calc allows you to automate actions by capturing your actions step by step.
Answer: Record Macro
4.When passing argument to a macro, the original variable can be modified by the macro if passed by ______.
Answer: ByRef
5.You can use the ______ macro option to automate tasks in Labour Office Calc.
Answer: Run Macro

Section B – True or False
1.Arguments passed by Value means the data is passed to the macro leaving the original data unchanged.
Answer: True
2.To access and edit existing macros, you can navigate to Tools > Macros > Organize Macros in Labour Office Calc.
Answer: True
3.The macros feature in Labour Office Calc is used to arrange data in a specific order based on the values in columns.
Answer: False
4.While writing a macro, the keyword ByRef is used to pass a reference to the original variable allowing the macro to modify its value.
Answer: True
5.A recorded macro can be modified in the Macro Editor after it has been created.
Answer: True


Section C – Multiple Choice Questions (with Options + Answers)
1.Run Macro option is available in ______ menu.
(A) View
(B) Insert
(C) Tools
(D) Data
Answer: (C) Tools
2.A Macro in Calc is:
(A) A sequence of manual steps
(B) A formula in spreadsheet
(C) Recorded or written set of instructions to automate task
(D) A type of chart
Answer: (C) Recorded or written set of instructions to automate task
3.What is the keyword used to pass arguments by reference in Labour Office Basic?
(A) ByVal
(B) ByRef
(C) Reference
(D) ValRef
Answer: (B) ByRef
4.How do you access a specific cell like A1 in a Labour Office Calc macro?
(A) ThisComponent.Sheets(0).getCellByName("A1")
(B) ThisComponent.Sheets(0).getCellByPosition(0,0)
(C) ThisComponent.SheetsByName("Sheet1").getCellByName("A1")
(D) ThisComponent.getCellRangeByName("A1")
Answer: (A) ThisComponent.Sheets(0).getCellByName("A1")
5.What is the default method of passing arguments in Labour Office Basic if neither is explicitly stated?
(A) ByRef
(B) ByVal
(C) Global
(D) Static
Answer: (A) ByRef

Section D – Very Short Answer
1.What does the Sort Data feature do in Labour Office Calc?
Answer: It arranges data in ascending or descending order based on column values.
2.How do you execute a macro in Labour Office Calc?
Answer: By using Tools > Macros > Run Macro.
3.What is the purpose of the Record Macro feature?
Answer: To capture user actions step by step and convert them into an automated task.
4.What does ByRef mean when passing an argument to a macro?
Answer: It means the original variable reference is passed, so the macro can change its value.
5.What is the benefit of passing arguments ByRef in a macro?
Answer: Any modification inside the macro updates the original variable.


Section E – Short Answer
Q1. What happens if you modify a variable passed ByValue inside a macro?
Answer:
When a variable is passed ByValue, only a copy of the data is sent to the macro. If you change the value inside the macro, it affects only the copy and not the original variable. This ensures the original data remains unchanged and safe.
Q2. How do you manage and organise multiple macros in Labour Office Calc?
Answer:
You can manage multiple macros through Tools > Macros > Organize Macros. This feature allows you to group macros in libraries, rename them, edit them in the macro editor, or even delete unused macros. Organising macros properly helps in keeping large projects clean and easier to maintain.
Q3. What is the benefit of using ByVal in a macro?
Answer:
The main benefit of using ByVal is data protection, as only a duplicate of the variable is modified. This way, the original value remains unchanged even if the macro alters the variable. It is useful when you want to perform temporary calculations without affecting the actual data.
Q4. How can you sort data based on multiple columns in Labour Office Calc?
Answer:
In Calc, you can go to Data > Sort and choose more than one column as a sorting key. For example, you may first sort by “Department” and then by “Employee Name.” This ensures a structured arrangement where data is organised on multiple levels simultaneously.
Q5. What happens when you pass a variable ByRef to a macro?
Answer:
When a variable is passed ByRef, the macro works directly on the original variable rather than a copy. Any changes made inside the macro will immediately update the actual data. This method is useful when you want the macro to permanently modify values.

Section F – Long Answer Questions with Detailed Answers
Q1. Discuss the importance of macros in Labour Office Calc.
Answer:
Macros are an essential feature in Labour Office Calc because they automate repetitive tasks that would otherwise take a lot of time if performed manually. For example, formatting multiple sheets in the same style, applying the same calculation repeatedly, or importing/exporting data regularly can all be automated with a macro.
The importance of macros can be summarised as:
Time Saving: Tasks which take minutes manually can be done in seconds using macros.
Accuracy: Macros reduce the risk of human error since the same steps are repeated exactly as recorded.
Efficiency: Productivity increases as users can focus on more important work instead of doing routine tasks.
Consistency: The same formatting, calculation, or operation can be applied to multiple files or sheets uniformly.
Customization: Users can create macros tailored to their specific needs, making Calc more powerful than standard features.
Thus, macros are not just shortcuts—they are automation tools that bring speed, accuracy, and reliability to data management.
Q2. Describe the process of recording a macro in Labour Office Calc. What are the key steps involved?
Answer:
Recording a macro in Calc means capturing the actions performed by a user so that they can be repeated automatically later. The process involves the following steps:
Start Recording:
Go to the Tools > Macros > Record Macro option.
A small “Recording” dialog box will appear.
Perform the Actions:
Carry out the tasks you want the macro to remember, such as formatting cells, entering formulas, sorting data, or applying filters.
Stop Recording:
Once all steps are complete, click Stop Recording in the dialog box.
Save the Macro:
A window will appear asking where to store the macro (either in the current document or in the “My Macros” library for global use).
Give the macro a meaningful name.
Assign the Macro (Optional):
You can link the macro to a button, menu, or keyboard shortcut for quick execution.
Key Points: Macros capture only the user’s actions, not logic beyond what is performed. They are useful for repetitive formatting, calculations, or importing/exporting operations.

Q3. What is the difference between passing arguments ByVal and ByRef?
Answer:
When creating or running a macro in Calc, sometimes we need to pass variables (data) as arguments. These arguments can be passed in two ways: ByVal (By Value) and ByRef (By Reference).
ByVal (By Value):
A copy of the variable is passed to the macro.
Any changes made to the variable inside the macro do not affect the original variable.
Useful when you want to protect the original data.
Example: If variable X = 10, and macro changes it to 20, the original X remains 10.
ByRef (By Reference):
The reference (memory address) of the variable is passed.
Any changes made in the macro directly affect the original variable.
Useful when you want the macro to modify the actual data.
Example: If variable X = 10, and macro changes it to 20, the original X also becomes 20.
Conclusion: ByVal ensures data safety, while ByRef ensures flexibility when original values need to be updated.
Q4. Write down the steps to run a macro.
Answer:
Running a macro in Labour Office Calc means executing a saved macro so that all recorded or written actions are performed automatically. The steps are:
Open Macro Menu:
Go to Tools > Macros > Run Macro.
Select the Macro Library:
A dialog box will appear showing available libraries like “My Macros” or “Document Macros.”
Expand the library and choose the correct macro file.
Choose the Macro:
From the list of saved macros, select the one you want to run.
Execute the Macro:
Click on Run.
The macro will now perform all the recorded or written steps automatically.
Note: If macros are disabled due to security settings, you may first need to allow macro execution by adjusting Tools > Options > LibreOffice > Security > Macro Security.
Q5. How will you record a macro in Labour Office Calc?
Answer:
Recording a macro is one of the most useful ways to automate tasks. The detailed steps are:
Enable Macro Recording (if not already enabled):
Go to Tools > Options > LibreOffice > Advanced.
Check the option “Enable macro recording (limited).”
Start Recording:
Select Tools > Macros > Record Macro.
The recording toolbar appears.
Perform Tasks:
Carry out the exact sequence of steps you want to automate, such as formatting cells, inserting formulas, applying filters, etc.
Stop Recording:
Click the Stop Recording button.
Save the Macro:
Choose whether to save the macro in the document (available only with that file) or in “My Macros” (available globally).
Provide a suitable name and confirm.
Optional Assignment:
Assign the macro to a toolbar button, menu item, or keyboard shortcut for quick use.
Result: Now, whenever you run this macro, Calc will repeat all the recorded steps automatically without manual effort.

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