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While working in MS Office software, which of the following commands will you give on a US keyboard layout to undo the previous action?

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Important Questions on Computer Fundamentals

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Which of the following formats does MS Paint use to open and save files in windows?
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If you are going to a site you use often, instead of having to type in the address every time, you should_____.
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In which year Microsoft's window operating system first introduced?
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What does the EXT indicator on the status bar of MS Word indicate?
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Which type of malware is a program or piece of code that is loaded onto a person's computer without his knowledge and runs against his wishes?
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An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:
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What type of utility used to update all device drivers at one time?
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Which of the following statements is true with respect to ASCII?

1. A programming language

2. ASCII chart is not for decimals

3. American Security Code for Information Interchange

4. A character encoding Scheme

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Which of the following is a small piece of software that uses computer networks and security holes to replicate itself?
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Which of the following characteristics is/are used to compute the results from excel data?
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Which of the following operating systems guarantees a response within specified time constraints?
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In a spreadsheet program the __________ contains related worksheets and documents.
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A repair for a known software bug, usually available at no charge on the internet, is called a(n) _____.