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B. Tick ( ) the correct statements and cross ( ) the wrong ones.

1. Timings of the animation effects cannot be modified.

2. Excel is also known as an electronic spreadsheet.

3. By using Autofill feature only number series can be filled.

4. Antivirus can detect the virus in the computer.

5. Operators blocks category are oval and hexagon in shape.

6. Click on the Tab key to move active cell one row up in Excel.

7. A malware gets installed on a computer with the approval from the computer owner.

8. Sensing blocks sense the input from the keyboard only.

C. Fill in the blanks.

1. There are conditional blocks in Scratch.

2. An tracks user’s browser history and download history.
3. Redo command works only when you have given an command.

4. Press the key to move the active cell one row down.

5. The effects in category control the entry of an object on the slide.

6. blocks are used to do arithmetic and logical calculations.
7. Cut command is present under tab.

8. A presentation is a collection of .

D. Answer the following questions:

1. Write any one difference between slide transition and animation.

2. Suppose, your friend wants to use a spreadsheet program. So, you have suggested her to use
Excel. Write any four reasons to support your suggestion.

3. What is virus? Explain in detail.
4. What is the use of block?

5. Mohan aims to select the cell range C3:F10 in Excel using only the keyboard. What steps should
he follow to achieve this?

6. Write any four harms caused by a computer malware.

7. What are variables? Explain.
8. Safiya doesn’t know how to create a new workbook in Excel. Help her by writing the steps to do
so.

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